(gdb) thread apply all bt

Thread 89 (Thread 0x7fbcf37ee700 (LWP 8677)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0x60121658, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x000000000077488a in CachingReaderWorker::run() (this=0x60121648) at src/engine/cachingreaderworker.cpp:117
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x60121648) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 88 (Thread 0x7fbcf3fef700 (LWP 8676)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0x5f562a68, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x000000000077488a in CachingReaderWorker::run() (this=0x5f562a58) at src/engine/cachingreaderworker.cpp:117
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x5f562a58) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 87 (Thread 0x7fbcf47f0700 (LWP 8675)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0x5e9a3ab8, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x000000000077488a in CachingReaderWorker::run() (this=0x5e9a3aa8) at src/engine/cachingreaderworker.cpp:117
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x5e9a3aa8) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 86 (Thread 0x7fbcf4ff1700 (LWP 8674)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0x5dde4b58, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x000000000077488a in CachingReaderWorker::run() (this=0x5dde4b48) at src/engine/cachingreaderworker.cpp:117
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x5dde4b48) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 85 (Thread 0x7fbcf57f2700 (LWP 8673)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0x5d226318, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x000000000077488a in CachingReaderWorker::run() (this=0x5d226308) at src/engine/cachingreaderworker.cpp:117
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x5d226308) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 84 (Thread 0x7fbcf5ff3700 (LWP 8672)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0x5c6671a8, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x000000000077488a in CachingReaderWorker::run() (this=0x5c667198) at src/engine/cachingreaderworker.cpp:117
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x5c667198) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 83 (Thread 0x7fbcf67f4700 (LWP 8671)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0x5baa83d8, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x000000000077488a in CachingReaderWorker::run() (this=0x5baa83c8) at src/engine/cachingreaderworker.cpp:117
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x5baa83c8) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 82 (Thread 0x7fbcf6ff5700 (LWP 8670)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0x5aee8e48, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x000000000077488a in CachingReaderWorker::run() (this=0x5aee8e38) at src/engine/cachingreaderworker.cpp:117
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x5aee8e38) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 81 (Thread 0x7fbcf77f6700 (LWP 8669)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0x5a3295f8, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x000000000077488a in CachingReaderWorker::run() (this=0x5a3295e8) at src/engine/cachingreaderworker.cpp:117
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x5a3295e8) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 80 (Thread 0x7fbcf7ff7700 (LWP 8668)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0x5976ae88, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x000000000077488a in CachingReaderWorker::run() (this=0x5976ae78) at src/engine/cachingreaderworker.cpp:117
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x5976ae78) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 79 (Thread 0x7fbcf87f8700 (LWP 8667)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0x58bab3d8, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x000000000077488a in CachingReaderWorker::run() (this=0x58bab3c8) at src/engine/cachingreaderworker.cpp:117
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x58bab3c8) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 78 (Thread 0x7fbcf8ff9700 (LWP 8666)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0x57fec5a8, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x000000000077488a in CachingReaderWorker::run() (this=0x57fec598) at src/engine/cachingreaderworker.cpp:117
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x57fec598) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 77 (Thread 0x7fbcf97fa700 (LWP 8665)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0x5742dc38, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x000000000077488a in CachingReaderWorker::run() (this=0x5742dc28) at src/engine/cachingreaderworker.cpp:117
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x5742dc28) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 76 (Thread 0x7fbcf9ffb700 (LWP 8664)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0x5686f238, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x000000000077488a in CachingReaderWorker::run() (this=0x5686f228) at src/engine/cachingreaderworker.cpp:117
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x5686f228) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 75 (Thread 0x7fbcfa7fc700 (LWP 8663)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0x55cb0698, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x000000000077488a in CachingReaderWorker::run() (this=0x55cb0688) at src/engine/cachingreaderworker.cpp:117
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x55cb0688) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 74 (Thread 0x7fbcfaffd700 (LWP 8662)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0x550f1cb8, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x000000000077488a in CachingReaderWorker::run() (this=0x550f1ca8) at src/engine/cachingreaderworker.cpp:117
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x550f1ca8) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 73 (Thread 0x7fbcfb7fe700 (LWP 8661)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0x54532e08, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x000000000077488a in CachingReaderWorker::run() (this=0x54532df8) at src/engine/cachingreaderworker.cpp:117
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x54532df8) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 72 (Thread 0x7fbcfbfff700 (LWP 8660)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0x53972588, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x000000000077488a in CachingReaderWorker::run() (this=0x53972578) at src/engine/cachingreaderworker.cpp:117
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x53972578) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 71 (Thread 0x7fbd08ff9700 (LWP 8659)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0x52db3758, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x000000000077488a in CachingReaderWorker::run() (this=0x52db3748) at src/engine/cachingreaderworker.cpp:117
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x52db3748) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 70 (Thread 0x7fbd097fa700 (LWP 8658)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0x521f4ed8, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x000000000077488a in CachingReaderWorker::run() (this=0x521f4ec8) at src/engine/cachingreaderworker.cpp:117
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x521f4ec8) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 69 (Thread 0x7fbd09ffb700 (LWP 8657)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0x51636178, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x000000000077488a in CachingReaderWorker::run() (this=0x51636168) at src/engine/cachingreaderworker.cpp:117
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x51636168) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 68 (Thread 0x7fbd0a7fc700 (LWP 8656)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0x50a73f88, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x000000000077488a in CachingReaderWorker::run() (this=0x50a73f78) at src/engine/cachingreaderworker.cpp:117
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x50a73f78) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 67 (Thread 0x7fbd0affd700 (LWP 8655)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0x4feb50d8, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x000000000077488a in CachingReaderWorker::run() (this=0x4feb50c8) at src/engine/cachingreaderworker.cpp:117
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x4feb50c8) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 66 (Thread 0x7fbd0b7fe700 (LWP 8654)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0x4f2f6718, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x000000000077488a in CachingReaderWorker::run() (this=0x4f2f6708) at src/engine/cachingreaderworker.cpp:117
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x4f2f6708) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 65 (Thread 0x7fbd0bfff700 (LWP 8653)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0x4e737bb8, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x000000000077488a in CachingReaderWorker::run() (this=0x4e737ba8) at src/engine/cachingreaderworker.cpp:117
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x4e737ba8) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 64 (Thread 0x7fbd28ff9700 (LWP 8652)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0x4db79038, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x000000000077488a in CachingReaderWorker::run() (this=0x4db79028) at src/engine/cachingreaderworker.cpp:117
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x4db79028) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 63 (Thread 0x7fbd297fa700 (LWP 8651)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0x4cfba298, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x000000000077488a in CachingReaderWorker::run() (this=0x4cfba288) at src/engine/cachingreaderworker.cpp:117
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x4cfba288) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 62 (Thread 0x7fbd29ffb700 (LWP 8650)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0x4c3fb628, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x000000000077488a in CachingReaderWorker::run() (this=0x4c3fb618) at src/engine/cachingreaderworker.cpp:117
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x4c3fb618) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 61 (Thread 0x7fbd2a7fc700 (LWP 8649)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0x4b83cbf8, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x000000000077488a in CachingReaderWorker::run() (this=0x4b83cbe8) at src/engine/cachingreaderworker.cpp:117
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x4b83cbe8) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 60 (Thread 0x7fbd2affd700 (LWP 8648)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0x4ac7dc88, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x000000000077488a in CachingReaderWorker::run() (this=0x4ac7dc78) at src/engine/cachingreaderworker.cpp:117
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x4ac7dc78) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 59 (Thread 0x7fbd2b7fe700 (LWP 8647)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0x4a0bf6d8, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x000000000077488a in CachingReaderWorker::run() (this=0x4a0bf6c8) at src/engine/cachingreaderworker.cpp:117
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x4a0bf6c8) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 58 (Thread 0x7fbd2bfff700 (LWP 8646)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0x49500cf8, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x000000000077488a in CachingReaderWorker::run() (this=0x49500ce8) at src/engine/cachingreaderworker.cpp:117
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x49500ce8) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 57 (Thread 0x7fbd48ff9700 (LWP 8645)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0x48941fe8, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x000000000077488a in CachingReaderWorker::run() (this=0x48941fd8) at src/engine/cachingreaderworker.cpp:117
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x48941fd8) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 56 (Thread 0x7fbd497fa700 (LWP 8644)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0x47d83258, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x000000000077488a in CachingReaderWorker::run() (this=0x47d83248) at src/engine/cachingreaderworker.cpp:117
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x47d83248) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 55 (Thread 0x7fbd49ffb700 (LWP 8643)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0x471c4a08, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x000000000077488a in CachingReaderWorker::run() (this=0x471c49f8) at src/engine/cachingreaderworker.cpp:117
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x471c49f8) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 54 (Thread 0x7fbd4a7fc700 (LWP 8642)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0x46605e18, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x000000000077488a in CachingReaderWorker::run() (this=0x46605e08) at src/engine/cachingreaderworker.cpp:117
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x46605e08) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 53 (Thread 0x7fbd4affd700 (LWP 8641)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0x45a46f38, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x000000000077488a in CachingReaderWorker::run() (this=0x45a46f28) at src/engine/cachingreaderworker.cpp:117
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x45a46f28) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 52 (Thread 0x7fbd4b7fe700 (LWP 8640)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0x44e88028, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x000000000077488a in CachingReaderWorker::run() (this=0x44e88018) at src/engine/cachingreaderworker.cpp:117
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x44e88018) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 51 (Thread 0x7fbd4bfff700 (LWP 8639)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0x442c93b8, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x000000000077488a in CachingReaderWorker::run() (this=0x442c93a8) at src/engine/cachingreaderworker.cpp:117
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x442c93a8) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 50 (Thread 0x7fbd6cff9700 (LWP 8638)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0x436ca7c8, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x000000000077488a in CachingReaderWorker::run() (this=0x436ca7b8) at src/engine/cachingreaderworker.cpp:117
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x436ca7b8) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 49 (Thread 0x7fbd6d7fa700 (LWP 8637)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0x42b0bcb8, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x000000000077488a in CachingReaderWorker::run() (this=0x42b0bca8) at src/engine/cachingreaderworker.cpp:117
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x42b0bca8) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 48 (Thread 0x7fbd6dffb700 (LWP 8636)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0x41f4d758, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x000000000077488a in CachingReaderWorker::run() (this=0x41f4d748) at src/engine/cachingreaderworker.cpp:117
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x41f4d748) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 47 (Thread 0x7fbd6e7fc700 (LWP 8635)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0x4138f508, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x000000000077488a in CachingReaderWorker::run() (this=0x4138f4f8) at src/engine/cachingreaderworker.cpp:117
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x4138f4f8) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 46 (Thread 0x7fbd6effd700 (LWP 8634)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0x407d13c8, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x000000000077488a in CachingReaderWorker::run() (this=0x407d13b8) at src/engine/cachingreaderworker.cpp:117
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x407d13b8) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 45 (Thread 0x7fbd6f7fe700 (LWP 8633)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0x1a0eae48, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x000000000077488a in CachingReaderWorker::run() (this=0x1a0eae38) at src/engine/cachingreaderworker.cpp:117
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x1a0eae38) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 44 (Thread 0x7fbd6ffff700 (LWP 8632)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0x20713a88, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x000000000077488a in CachingReaderWorker::run() (this=0x20713a78) at src/engine/cachingreaderworker.cpp:117
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x20713a78) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 43 (Thread 0x7fbd84ff9700 (LWP 8631)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0x3c167f68, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x000000000077488a in CachingReaderWorker::run() (this=0x3c167f58) at src/engine/cachingreaderworker.cpp:117
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x3c167f58) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 42 (Thread 0x7fbd857fa700 (LWP 8630)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0x3cd805b8, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x000000000077488a in CachingReaderWorker::run() (this=0x3cd805a8) at src/engine/cachingreaderworker.cpp:117
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x3cd805a8) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 41 (Thread 0x7fbd85ffb700 (LWP 8628)):
#0  0x00007fbec2c54371 in poll () at /usr/lib64/libc.so.6
#1  0x00007fbec35cfd5f in  () at /usr/lib64/libusb-1.0.so.0
#2  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#3  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 40 (Thread 0x7fbd867fc700 (LWP 8627)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0x13283578, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x000000000077488a in CachingReaderWorker::run() (this=0x13283568) at src/engine/cachingreaderworker.cpp:117
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x13283568) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 39 (Thread 0x7fbd86ffd700 (LWP 8626)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0x126c5908, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x000000000077488a in CachingReaderWorker::run() (this=0x126c58f8) at src/engine/cachingreaderworker.cpp:117
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x126c58f8) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 38 (Thread 0x7fbd877fe700 (LWP 8625)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0x11b079e8, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x000000000077488a in CachingReaderWorker::run() (this=0x11b079d8) at src/engine/cachingreaderworker.cpp:117
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x11b079d8) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 37 (Thread 0x7fbd87fff700 (LWP 8624)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0x10f4a3c8, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x000000000077488a in CachingReaderWorker::run() (this=0x10f4a3b8) at src/engine/cachingreaderworker.cpp:117
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x10f4a3b8) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 36 (Thread 0x7fbda8ff9700 (LWP 8623)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0x1038cbd8, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x000000000077488a in CachingReaderWorker::run() (this=0x1038cbc8) at src/engine/cachingreaderworker.cpp:117
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x1038cbc8) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 35 (Thread 0x7fbda97fa700 (LWP 8622)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0xf7cf738, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x000000000077488a in CachingReaderWorker::run() (this=0xf7cf728) at src/engine/cachingreaderworker.cpp:117
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0xf7cf728) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 34 (Thread 0x7fbda9ffb700 (LWP 8621)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0xec124d8, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x000000000077488a in CachingReaderWorker::run() (this=0xec124c8) at src/engine/cachingreaderworker.cpp:117
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0xec124c8) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 33 (Thread 0x7fbdaa7fc700 (LWP 8620)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0xe055108, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x000000000077488a in CachingReaderWorker::run() (this=0xe0550f8) at src/engine/cachingreaderworker.cpp:117
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0xe0550f8) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 32 (Thread 0x7fbdaaffd700 (LWP 8619)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0xd497fa8, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x000000000077488a in CachingReaderWorker::run() (this=0xd497f98) at src/engine/cachingreaderworker.cpp:117
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0xd497f98) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 31 (Thread 0x7fbdab7fe700 (LWP 8618)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0xc8db738, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x000000000077488a in CachingReaderWorker::run() (this=0xc8db728) at src/engine/cachingreaderworker.cpp:117
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0xc8db728) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 30 (Thread 0x7fbdabfff700 (LWP 8617)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0xbd1f848, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x000000000077488a in CachingReaderWorker::run() (this=0xbd1f838) at src/engine/cachingreaderworker.cpp:117
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0xbd1f838) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 29 (Thread 0x7fbdc4a3f700 (LWP 8616)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0x9d79168, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x000000000077488a in CachingReaderWorker::run() (this=0x9d79158) at src/engine/cachingreaderworker.cpp:117
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x9d79158) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 28 (Thread 0x7fbdc5ffb700 (LWP 8606)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0x683be60, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x0000000000bdc2cd in VSyncThread::run() (this=0x683be20) at src/waveform/vsyncthread.cpp:99
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x683be20) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 27 (Thread 0x7fbdc67fc700 (LWP 8603)):
#0  0x00007fbec2c54371 in poll () at /usr/lib64/libc.so.6
#1  0x00007fbec30d95a6 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fbec30d96d0 in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fbec3ffa813 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fbdac000b20, flags=...)
    at kernel/qeventdispatcher_glib.cpp:423
#4  0x00007fbec3fa917b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fbdc67fbc20, flags=..., 
    flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:140
#5  0x00007fbec3e11046 in QThread::exec() (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:120
#6  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x7fbeac009590) at thread/qthread_unix.cpp:367
#7  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#8  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 26 (Thread 0x7fbdc6ffd700 (LWP 8602)):
#0  0x00007fbec35f367c in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib64/libpthread.so.0
#1  0x00007fbec3e1aae3 in QWaitConditionPrivate::wait(unsigned long) (time=18446744073709551615, this=0x67d3bc0)
    at thread/qwaitcondition_unix.cpp:143
#2  0x00007fbec3e1aae3 in QWaitCondition::wait(QMutex*, unsigned long)
    (this=this@entry=0x67e23b0, mutex=mutex@entry=0x67e23a8, time=time@entry=18446744073709551615)
    at thread/qwaitcondition_unix.cpp:215
#3  0x00000000005a2def in AnalyzerQueue::dequeueNextBlocking() (this=0x67e2340) at src/analyzer/analyzerqueue.cpp:144
#4  0x00000000005a6853 in AnalyzerQueue::execThread() (this=0x67e2340) at src/analyzer/analyzerqueue.cpp:325
#5  0x00000000005a9671 in AnalyzerQueue::run() (this=0x67e2340) at src/analyzer/analyzerqueue.cpp:292
#6  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x67e2340) at thread/qthread_unix.cpp:367
#7  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#8  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 25 (Thread 0x7fbdc77fe700 (LWP 8601)):
#0  0x00007fbec35f367c in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib64/libpthread.so.0
#1  0x00007fbec3e1aae3 in QWaitConditionPrivate::wait(unsigned long) (time=18446744073709551615, this=0x67a5930)
    at thread/qwaitcondition_unix.cpp:143
#2  0x00007fbec3e1aae3 in QWaitCondition::wait(QMutex*, unsigned long)
    (this=this@entry=0x67a2938, mutex=mutex@entry=0x67a2930, time=time@entry=18446744073709551615)
    at thread/qwaitcondition_unix.cpp:215
#3  0x00000000008a003b in BrowseThread::run() (this=0x67a2920) at src/library/browse/browsethread.cpp:79
#4  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x67a2920) at thread/qthread_unix.cpp:367
#5  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#6  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 24 (Thread 0x7fbdc7fff700 (LWP 8600)):
#0  0x00007fbec2c54371 in poll () at /usr/lib64/libc.so.6
#1  0x00007fbec30d95a6 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fbec30d96d0 in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fbec3ffa813 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fbdbc000b20, flags=...)
    at kernel/qeventdispatcher_glib.cpp:423
#4  0x00007fbec3fa917b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fbdc7ffeb20, flags=..., 
    flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:140
#5  0x00007fbec3e11046 in QThread::exec() (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:120
#6  0x000000000097f929 in LibraryScanner::run() (this=0x51c9450) at src/library/scanner/libraryscanner.cpp:115
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x51c9450) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 23 (Thread 0x7fbdd251d700 (LWP 8599)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0x63e7638, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x000000000077488a in CachingReaderWorker::run() (this=0x63e7628) at src/engine/cachingreaderworker.cpp:117
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x63e7628) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 22 (Thread 0x7fbdd36cf700 (LWP 8598)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0x61d3fa8, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x000000000077488a in CachingReaderWorker::run() (this=0x61d3f98) at src/engine/cachingreaderworker.cpp:117
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x61d3f98) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 21 (Thread 0x7fbdf088b700 (LWP 8597)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0x5fc07c8, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x000000000077488a in CachingReaderWorker::run() (this=0x5fc07b8) at src/engine/cachingreaderworker.cpp:117
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x5fc07b8) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 20 (Thread 0x7fbdf19a0700 (LWP 8596)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0x5e4e0b8, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x000000000077488a in CachingReaderWorker::run() (this=0x5e4e0a8) at src/engine/cachingreaderworker.cpp:117
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x5e4e0a8) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 19 (Thread 0x7fbdfd261700 (LWP 8595)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0x5c7da38, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x000000000077488a in CachingReaderWorker::run() (this=0x5c7da28) at src/engine/cachingreaderworker.cpp:117
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x5c7da28) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 18 (Thread 0x7fbdfe78d700 (LWP 8594)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0x598c3e8, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x000000000077488a in CachingReaderWorker::run() (this=0x598c3d8) at src/engine/cachingreaderworker.cpp:117
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x598c3d8) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 17 (Thread 0x7fbdffafe700 (LWP 8593)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0x2be0128, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x000000000077488a in CachingReaderWorker::run() (this=0x2be0118) at src/engine/cachingreaderworker.cpp:117
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x2be0118) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 16 (Thread 0x7fbe0516c700 (LWP 8592)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0x51bd458, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x000000000077488a in CachingReaderWorker::run() (this=0x51bd448) at src/engine/cachingreaderworker.cpp:117
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x51bd448) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 15 (Thread 0x7fbe0671a700 (LWP 8591)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec3e0fdcc in QtLinuxFutex::_q_futex(int*, int, int, unsigned long long, int*, int)
    (val3=0, addr2=0x0, val2=0, val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:105
#2  0x00007fbec3e0fdcc in QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >(QBasicAtomicInteger<unsigned int>&, QBasicAtomicInteger<unsigned int>::Type) (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire_loop<false>(QBasicAtomicInteger<unsigned long long>&, unsigned long long, unsigned long long, int) (timeout=-1, nn=8589934593, curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4  0x00007fbec3e0fdcc in futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int)
    (u=..., n=n@entry=1, timeout=timeout@entry=-1) at thread/qsemaphore.cpp:264
#5  0x00007fbec3e0fc4e in QSemaphore::acquire(int) (this=this@entry=0x4e449b8, n=n@entry=1) at thread/qsemaphore.cpp:328
#6  0x000000000077488a in CachingReaderWorker::run() (this=0x4e449a8) at src/engine/cachingreaderworker.cpp:117
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x4e449a8) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 14 (Thread 0x7fbe07f78700 (LWP 8590)):
#0  0x00007fbec35f367c in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib64/libpthread.so.0
#1  0x00007fbec3e1aae3 in QWaitConditionPrivate::wait(unsigned long) (time=18446744073709551615, this=0x4e8a1f0)
    at thread/qwaitcondition_unix.cpp:143
#2  0x00007fbec3e1aae3 in QWaitCondition::wait(QMutex*, unsigned long)
    (this=this@entry=0x4e45798, mutex=mutex@entry=0x4e457a0, time=time@entry=18446744073709551615)
    at thread/qwaitcondition_unix.cpp:215
#3  0x0000000000bad258 in VinylControlProcessor::run() (this=0x4e45740) at src/vinylcontrol/vinylcontrolprocessor.cpp:133
#4  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x4e45740) at thread/qthread_unix.cpp:367
#5  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#6  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 13 (Thread 0x7fbe07675700 (LWP 8589)):
#0  0x00007fbec2c59ded in syscall () at /usr/lib64/libc.so.6
#1  0x00007fbec2b17cdf in Jack::JackLinuxFutex::TimedWait(long) () at /usr/lib64/libjack.so.0
#2  0x00007fbec2aff279 in Jack::JackConnectionManager::SuspendRefNum(Jack::JackClientControl*, Jack::JackLinuxFutex*, Jack::JackClientTiming*, long) () at /usr/lib64/libjack.so.0
#3  0x00007fbec2afdd3f in Jack::JackClient::ExecuteThread() () at /usr/lib64/libjack.so.0
#4  0x00007fbec2afd0f8 in  () at /usr/lib64/libjack.so.0
#5  0x00007fbec2b15e5e in Jack::JackPosixThread::ThreadHandler(void*) () at /usr/lib64/libjack.so.0
#6  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#7  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 12 (Thread 0x7fbe076f6700 (LWP 8588)):
#0  0x00007fbec35f6d34 in read () at /usr/lib64/libpthread.so.0
#1  0x00007fbec2b17141 in Jack::JackClientSocket::Read(void*, int) () at /usr/lib64/libjack.so.0
#2  0x00007fbec2b1a645 in Jack::JackSocketClientChannel::Execute() () at /usr/lib64/libjack.so.0
#3  0x00007fbec2b15e5e in Jack::JackPosixThread::ThreadHandler(void*) () at /usr/lib64/libjack.so.0
#4  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 11 (Thread 0x7fbe07777700 (LWP 8587)):
#0  0x00007fbec35f367c in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib64/libpthread.so.0
#1  0x00007fbec2b168b0 in Jack::JackPosixProcessSync::Wait() () at /usr/lib64/libjack.so.0
#2  0x00007fbec2b0e5bd in Jack::JackMessageBuffer::Execute() () at /usr/lib64/libjack.so.0
#3  0x00007fbec2b15e5e in Jack::JackPosixThread::ThreadHandler(void*) () at /usr/lib64/libjack.so.0
#4  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 10 (Thread 0x7fbe92d8a700 (LWP 8582)):
#0  0x00007fbec35f367c in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib64/libpthread.so.0
#1  0x00007fbec3e1aae3 in QWaitConditionPrivate::wait(unsigned long) (time=18446744073709551615, this=0x3156720)
    at thread/qwaitcondition_unix.cpp:143
#2  0x00007fbec3e1aae3 in QWaitCondition::wait(QMutex*, unsigned long)
    (this=this@entry=0x3130e98, mutex=mutex@entry=0x3130e90, time=time@entry=18446744073709551615)
    at thread/qwaitcondition_unix.cpp:215
#3  0x0000000000828532 in EngineSideChain::run() (this=0x3130e10) at src/engine/sidechain/enginesidechain.cpp:118
#4  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x3130e10) at thread/qthread_unix.cpp:367
#5  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#6  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 9 (Thread 0x7fbe93e8e700 (LWP 8581)):
#0  0x00007fbec35f367c in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib64/libpthread.so.0
#1  0x00007fbec3e1aae3 in QWaitConditionPrivate::wait(unsigned long) (time=18446744073709551615, this=0x7fbeac007430)
    at thread/qwaitcondition_unix.cpp:143
#2  0x00007fbec3e1aae3 in QWaitCondition::wait(QMutex*, unsigned long)
    (this=this@entry=0x310f660, mutex=mutex@entry=0x310f668, time=time@entry=18446744073709551615)
    at thread/qwaitcondition_unix.cpp:215
#3  0x0000000000806abc in EngineWorkerScheduler::run() (this=0x310f630) at src/engine/engineworkerscheduler.cpp:56
#4  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x310f630) at thread/qthread_unix.cpp:367
#5  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#6  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 8 (Thread 0x7fbea0ad3700 (LWP 8580)):
#0  0x00007fbec35f367c in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib64/libpthread.so.0
#1  0x00007fbec51b8f5a in QTWTF::TCMalloc_PageHeap::scavengerThread() () at /usr/lib64/libQt5Script.so.5
#2  0x00007fbec51b8fc5 in  () at /usr/lib64/libQt5Script.so.5
#3  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#4  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 7 (Thread 0x7fbea12e7700 (LWP 8579)):
#0  0x00007fbec35f367c in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib64/libpthread.so.0
#1  0x00007fbea1fa18c3 in  () at /usr/lib64/dri/i965_dri.so
#2  0x00007fbea1fa161b in  () at /usr/lib64/dri/i965_dri.so
#3  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#4  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 6 (Thread 0x7fbea2ffd700 (LWP 8577)):
#0  0x00007fbec2c54371 in poll () at /usr/lib64/libc.so.6
#1  0x00007fbec30d95a6 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fbec30d96d0 in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fbec3ffa813 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fbe98000b20, flags=...)
    at kernel/qeventdispatcher_glib.cpp:423
#4  0x00007fbec3fa917b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fbea2ffcbf0, flags=..., 
    flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:140
#5  0x00007fbec3e11046 in QThread::exec()
    (this=this@entry=0x7fbec42ca060 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>)
    at ../../include/QtCore/../../src/corelib/global/qflags.h:120
#6  0x00007fbec424ef89 in QDBusConnectionManager::run()
    (this=0x7fbec42ca060 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at qdbusconnection.cpp:178
#7  0x00007fbec3e1a4bb in QThreadPrivate::start(void*)
    (arg=0x7fbec42ca060 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread_unix.cpp:367
#8  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 5 (Thread 0x7fbea37fe700 (LWP 8576)):
#0  0x00007fbec2c54371 in poll () at /usr/lib64/libc.so.6
#1  0x00007fbec30d95a6 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fbec30d9962 in g_main_loop_run () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fbec029279a in  () at /usr/lib64/libgio-2.0.so.0
#4  0x00007fbec310248a in  () at /usr/lib64/libglib-2.0.so.0
#5  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#6  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 4 (Thread 0x7fbeb0bca700 (LWP 8574)):
#0  0x00007fbec2c54371 in poll () at /usr/lib64/libc.so.6
#1  0x00007fbec30d95a6 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fbec30d96d0 in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fbeb13e2c7d in  () at /usr/lib64/gio/modules/libdconfsettings.so
#4  0x00007fbec310248a in  () at /usr/lib64/libglib-2.0.so.0
#5  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#6  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 3 (Thread 0x7fbeb13cb700 (LWP 8573)):
#0  0x00007fbec2c54371 in poll () at /usr/lib64/libc.so.6
#1  0x00007fbec30d95a6 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fbec30d96d0 in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fbec30d9721 in  () at /usr/lib64/libglib-2.0.so.0
#4  0x00007fbec310248a in  () at /usr/lib64/libglib-2.0.so.0
#5  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#6  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 2 (Thread 0x7fbeb29d9700 (LWP 8572)):
#0  0x00007fbec2c54371 in poll () at /usr/lib64/libc.so.6
#1  0x00007fbec2b4239f in  () at /usr/lib64/libxcb.so.1
#2  0x00007fbec2b4401a in xcb_wait_for_event () at /usr/lib64/libxcb.so.1
#3  0x00007fbeb2bcada9 in QXcbEventReader::run() (this=0x2b39bb0) at qxcbconnection.h:409
#4  0x00007fbec3e1a4bb in QThreadPrivate::start(void*) (arg=0x2b39bb0) at thread/qthread_unix.cpp:367
#5  0x00007fbec35ed58e in start_thread () at /usr/lib64/libpthread.so.0
#6  0x00007fbec2c5f593 in clone () at /usr/lib64/libc.so.6

Thread 1 (Thread 0x7fbebfcb1000 (LWP 8571)):
#0  0x00007fbec35f367c in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib64/libpthread.so.0
#1  0x00007fbec5651252 in _XReply (dpy=dpy@entry=0x2b298f0, rep=rep@entry=0x7fffe561e590, extra=extra@entry=0, discard=discard@entry=1)
    at xcb_io.c:603
#2  0x00007fbec5653c61 in _XSeqSyncFunction (dpy=0x2b298f0) at XlibInt.c:203
#3  0x00007fbec5653416 in _XError (dpy=dpy@entry=0x2b298f0, rep=rep@entry=0x7fbeac0810e0) at XlibInt.c:1446
#4  0x00007fbec5650297 in handle_error (dpy=0x2b298f0, err=0x7fbeac0810e0, in_XReply=<optimized out>) at xcb_io.c:199
#5  0x00007fbec565033d in handle_response (dpy=0x2b298f0, response=0x7fbeac0810e0, in_XReply=<optimized out>) at xcb_io.c:324
#6  0x00007fbec5651216 in _XReply (dpy=dpy@entry=0x2b298f0, rep=rep@entry=0x7fffe561e780, extra=extra@entry=0, discard=discard@entry=1)
    at xcb_io.c:656
#7  0x00007fbec5653c61 in _XSeqSyncFunction (dpy=0x2b298f0) at XlibInt.c:203
#8  0x00007fbec563e18b in XLockDisplay (dpy=0x2b298f0) at LockDis.c:47
#9  0x00007fbeb21b8f53 in QXcbGlxIntegration::handleXcbEvent(xcb_generic_event_t*, unsigned int)
    (this=0x2bbbf80, event=0x7fbeac08b260, responseType=35) at qxcbglxintegration.cpp:132
#10 0x00007fbeb2bcc725 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*)
    (this=this@entry=0x2b294b0, event=event@entry=0x7fbeac08b260) at qxcbconnection.cpp:1245
#11 0x00007fbeb2bcd123 in QXcbConnection::processXcbEvents() (this=0x2b294b0) at qxcbconnection.cpp:1787
#12 0x00007fbec3fd30f6 in QObject::event(QEvent*) (this=0x2b294b0, e=<optimized out>) at kernel/qobject.cpp:1251
#13 0x00007fbec492c2a5 in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=this@entry=
    0x2b17370, receiver=receiver@entry=0x2b294b0, e=e@entry=0x7fbeac089fa0) at kernel/qapplication.cpp:3727
#14 0x00007fbec49339c0 in QApplication::notify(QObject*, QEvent*) (this=0x7fffe561f020, receiver=0x2b294b0, e=0x7fbeac089fa0)
    at kernel/qapplication.cpp:3486
#15 0x00007fbec3faa236 in QCoreApplication::notifyInternal2(QObject*, QEvent*) (receiver=0x2b294b0, event=0x7fbeac089fa0)
    at kernel/qcoreapplication.cpp:1048
#16 0x00007fbec3fad40b in QCoreApplication::sendEvent(QObject*, QEvent*) (event=0x7fbeac089fa0, receiver=<optimized out>)
    at kernel/qcoreapplication.h:234
#17 0x00007fbec3fad40b in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*)
    (receiver=0x0, event_type=0, data=0x2ad3080) at kernel/qcoreapplication.cpp:1745
#18 0x00007fbec3ffaa87 in postEventSourceDispatch(GSource*, GSourceFunc, gpointer) (s=0x2c940b0)
    at kernel/qeventdispatcher_glib.cpp:276
#19 0x00007fbec30d926d in g_main_context_dispatch () at /usr/lib64/libglib-2.0.so.0
#20 0x00007fbec30d9638 in  () at /usr/lib64/libglib-2.0.so.0
#21 0x00007fbec30d96d0 in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#22 0x00007fbec3ffa813 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x2d61ba0, flags=...)
    at kernel/qeventdispatcher_glib.cpp:423
#23 0x00007fbeb2c5df15 in QPAEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x2d61ba0, flags=...)
    at qeventdispatcher_glib.cpp:69
#24 0x00007fbec3fa917b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fffe561ef60, flags=..., 
    flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:140
#25 0x00007fbec3fb1246 in QCoreApplication::exec() () at ../../include/QtCore/../../src/corelib/global/qflags.h:120
#26 0x00000000005369c6 in (anonymous namespace)::runMixxx (args=..., app=0x7fffe561f020) at src/main.cpp:53
#27 0x00000000005369c6 in main(int, char**) (argc=<optimized out>, argv=<optimized out>) at src/main.cpp:137