(gdb) thread apply all bt

Thread 88 (Thread 0x7fe62e7ec700 (LWP 18687)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x000000000076455a in CachingReaderWorker::run() (this=0x5eb6a0f8) at src/engine/cachingreaderworker.cpp:117
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 87 (Thread 0x7fe62efed700 (LWP 18686)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x000000000076455a in CachingReaderWorker::run() (this=0x5dfb4f88) at src/engine/cachingreaderworker.cpp:117
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 86 (Thread 0x7fe62f7ee700 (LWP 18685)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x000000000076455a in CachingReaderWorker::run() (this=0x5d3ffa58) at src/engine/cachingreaderworker.cpp:117
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 85 (Thread 0x7fe62ffef700 (LWP 18684)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x000000000076455a in CachingReaderWorker::run() (this=0x5c84aeb8) at src/engine/cachingreaderworker.cpp:117
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 84 (Thread 0x7fe6307f0700 (LWP 18683)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x000000000076455a in CachingReaderWorker::run() (this=0x5bc95698) at src/engine/cachingreaderworker.cpp:117
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 83 (Thread 0x7fe630ff1700 (LWP 18682)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x000000000076455a in CachingReaderWorker::run() (this=0x5b0df588) at src/engine/cachingreaderworker.cpp:117
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 82 (Thread 0x7fe6317f2700 (LWP 18681)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x000000000076455a in CachingReaderWorker::run() (this=0x5a529438) at src/engine/cachingreaderworker.cpp:117
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 81 (Thread 0x7fe631ff3700 (LWP 18680)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x000000000076455a in CachingReaderWorker::run() (this=0x59973c78) at src/engine/cachingreaderworker.cpp:117
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 80 (Thread 0x7fe6327f4700 (LWP 18679)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x000000000076455a in CachingReaderWorker::run() (this=0x58dbe268) at src/engine/cachingreaderworker.cpp:117
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 79 (Thread 0x7fe632ff5700 (LWP 18678)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x000000000076455a in CachingReaderWorker::run() (this=0x582088e8) at src/engine/cachingreaderworker.cpp:117
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 78 (Thread 0x7fe6337f6700 (LWP 18677)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x000000000076455a in CachingReaderWorker::run() (this=0x57652fa8) at src/engine/cachingreaderworker.cpp:117
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 77 (Thread 0x7fe633ff7700 (LWP 18676)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x000000000076455a in CachingReaderWorker::run() (this=0x56a9d1d8) at src/engine/cachingreaderworker.cpp:117
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 76 (Thread 0x7fe6347f8700 (LWP 18675)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x000000000076455a in CachingReaderWorker::run() (this=0x55ee7e48) at src/engine/cachingreaderworker.cpp:117
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 75 (Thread 0x7fe634ff9700 (LWP 18674)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x000000000076455a in CachingReaderWorker::run() (this=0x55332ca8) at src/engine/cachingreaderworker.cpp:117
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 74 (Thread 0x7fe6357fa700 (LWP 18673)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x000000000076455a in CachingReaderWorker::run() (this=0x5477d8f8) at src/engine/cachingreaderworker.cpp:117
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 73 (Thread 0x7fe635ffb700 (LWP 18672)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x000000000076455a in CachingReaderWorker::run() (this=0x53bc84a8) at src/engine/cachingreaderworker.cpp:117
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 72 (Thread 0x7fe6367fc700 (LWP 18671)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x000000000076455a in CachingReaderWorker::run() (this=0x53013038) at src/engine/cachingreaderworker.cpp:117
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 71 (Thread 0x7fe636ffd700 (LWP 18670)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x000000000076455a in CachingReaderWorker::run() (this=0x5245bd08) at src/engine/cachingreaderworker.cpp:117
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 70 (Thread 0x7fe6377fe700 (LWP 18669)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x000000000076455a in CachingReaderWorker::run() (this=0x518a6c28) at src/engine/cachingreaderworker.cpp:117
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 69 (Thread 0x7fe637fff700 (LWP 18668)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x000000000076455a in CachingReaderWorker::run() (this=0x50ceea58) at src/engine/cachingreaderworker.cpp:117
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 68 (Thread 0x7fe654ff9700 (LWP 18667)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x000000000076455a in CachingReaderWorker::run() (this=0x50139518) at src/engine/cachingreaderworker.cpp:117
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 67 (Thread 0x7fe6557fa700 (LWP 18666)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x000000000076455a in CachingReaderWorker::run() (this=0x4f583e28) at src/engine/cachingreaderworker.cpp:117
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 66 (Thread 0x7fe655ffb700 (LWP 18665)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x000000000076455a in CachingReaderWorker::run() (this=0x4e9ce658) at src/engine/cachingreaderworker.cpp:117
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 65 (Thread 0x7fe6567fc700 (LWP 18664)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x000000000076455a in CachingReaderWorker::run() (this=0x4de19378) at src/engine/cachingreaderworker.cpp:117
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 64 (Thread 0x7fe656ffd700 (LWP 18663)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x000000000076455a in CachingReaderWorker::run() (this=0x4d2640c8) at src/engine/cachingreaderworker.cpp:117
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 63 (Thread 0x7fe6577fe700 (LWP 18662)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x000000000076455a in CachingReaderWorker::run() (this=0x4c6ae4d8) at src/engine/cachingreaderworker.cpp:117
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 62 (Thread 0x7fe657fff700 (LWP 18661)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x000000000076455a in CachingReaderWorker::run() (this=0x4baf92a8) at src/engine/cachingreaderworker.cpp:117
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 61 (Thread 0x7fe674ff9700 (LWP 18660)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x000000000076455a in CachingReaderWorker::run() (this=0x4af43e28) at src/engine/cachingreaderworker.cpp:117
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 60 (Thread 0x7fe6757fa700 (LWP 18659)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x000000000076455a in CachingReaderWorker::run() (this=0x4a38e998) at src/engine/cachingreaderworker.cpp:117
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 59 (Thread 0x7fe675ffb700 (LWP 18658)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x000000000076455a in CachingReaderWorker::run() (this=0x497d8f88) at src/engine/cachingreaderworker.cpp:117
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 58 (Thread 0x7fe6767fc700 (LWP 18657)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x000000000076455a in CachingReaderWorker::run() (this=0x48c23fe8) at src/engine/cachingreaderworker.cpp:117
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 57 (Thread 0x7fe676ffd700 (LWP 18656)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x000000000076455a in CachingReaderWorker::run() (this=0x4806e818) at src/engine/cachingreaderworker.cpp:117
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 56 (Thread 0x7fe6777fe700 (LWP 18655)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x000000000076455a in CachingReaderWorker::run() (this=0x474b9468) at src/engine/cachingreaderworker.cpp:117
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 55 (Thread 0x7fe677fff700 (LWP 18654)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x000000000076455a in CachingReaderWorker::run() (this=0x46904028) at src/engine/cachingreaderworker.cpp:117
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 54 (Thread 0x7fe694ff9700 (LWP 18653)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x000000000076455a in CachingReaderWorker::run() (this=0x45d4e498) at src/engine/cachingreaderworker.cpp:117
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 53 (Thread 0x7fe6957fa700 (LWP 18652)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x000000000076455a in CachingReaderWorker::run() (this=0x45198cb8) at src/engine/cachingreaderworker.cpp:117
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 52 (Thread 0x7fe695ffb700 (LWP 18651)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x000000000076455a in CachingReaderWorker::run() (this=0x445e3bd8) at src/engine/cachingreaderworker.cpp:117
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 51 (Thread 0x7fe6967fc700 (LWP 18650)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x000000000076455a in CachingReaderWorker::run() (this=0x43a2de48) at src/engine/cachingreaderworker.cpp:117
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 50 (Thread 0x7fe696ffd700 (LWP 18649)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x000000000076455a in CachingReaderWorker::run() (this=0x42e78a58) at src/engine/cachingreaderworker.cpp:117
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 49 (Thread 0x7fe6977fe700 (LWP 18648)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x000000000076455a in CachingReaderWorker::run() (this=0x422831a8) at src/engine/cachingreaderworker.cpp:117
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 48 (Thread 0x7fe697fff700 (LWP 18647)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x000000000076455a in CachingReaderWorker::run() (this=0x416cdcd8) at src/engine/cachingreaderworker.cpp:117
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 47 (Thread 0x7fe6b4ff9700 (LWP 18646)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x000000000076455a in CachingReaderWorker::run() (this=0x40b19068) at src/engine/cachingreaderworker.cpp:117
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 46 (Thread 0x7fe6b57fa700 (LWP 18645)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x000000000076455a in CachingReaderWorker::run() (this=0x3ff647d8) at src/engine/cachingreaderworker.cpp:117
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 45 (Thread 0x7fe6b5ffb700 (LWP 18644)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x000000000076455a in CachingReaderWorker::run() (this=0x3f3b0078) at src/engine/cachingreaderworker.cpp:117
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 44 (Thread 0x7fe6b67fc700 (LWP 18643)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x000000000076455a in CachingReaderWorker::run() (this=0x18807c38) at src/engine/cachingreaderworker.cpp:117
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 43 (Thread 0x7fe6b6ffd700 (LWP 18642)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x000000000076455a in CachingReaderWorker::run() (this=0x187ca0c8) at src/engine/cachingreaderworker.cpp:117
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 42 (Thread 0x7fe6b77fe700 (LWP 18641)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x000000000076455a in CachingReaderWorker::run() (this=0x187ba628) at src/engine/cachingreaderworker.cpp:117
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 41 (Thread 0x7fe6b7fff700 (LWP 18640)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x000000000076455a in CachingReaderWorker::run() (this=0x1879ebb8) at src/engine/cachingreaderworker.cpp:117
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 40 (Thread 0x7fe6d8ff9700 (LWP 18639)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x000000000076455a in CachingReaderWorker::run() (this=0x11dcc868) at src/engine/cachingreaderworker.cpp:117
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 39 (Thread 0x7fe6d97fa700 (LWP 18638)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x000000000076455a in CachingReaderWorker::run() (this=0x11218148) at src/engine/cachingreaderworker.cpp:117
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 38 (Thread 0x7fe6d9ffb700 (LWP 18637)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x000000000076455a in CachingReaderWorker::run() (this=0x10664308) at src/engine/cachingreaderworker.cpp:117
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 37 (Thread 0x7fe6da7fc700 (LWP 18636)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x000000000076455a in CachingReaderWorker::run() (this=0xfaafa68) at src/engine/cachingreaderworker.cpp:117
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 36 (Thread 0x7fe6daffd700 (LWP 18635)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x000000000076455a in CachingReaderWorker::run() (this=0xeefbb48) at src/engine/cachingreaderworker.cpp:117
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 35 (Thread 0x7fe6db7fe700 (LWP 18634)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x000000000076455a in CachingReaderWorker::run() (this=0xe348178) at src/engine/cachingreaderworker.cpp:117
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 34 (Thread 0x7fe6dbfff700 (LWP 18633)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x000000000076455a in CachingReaderWorker::run() (this=0xd794098) at src/engine/cachingreaderworker.cpp:117
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 33 (Thread 0x7fe6f0ff9700 (LWP 18632)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x000000000076455a in CachingReaderWorker::run() (this=0xcbe0728) at src/engine/cachingreaderworker.cpp:117
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 32 (Thread 0x7fe6f17fa700 (LWP 18631)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x000000000076455a in CachingReaderWorker::run() (this=0xc02c3a8) at src/engine/cachingreaderworker.cpp:117
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 31 (Thread 0x7fe6f1ffb700 (LWP 18630)):
#0  0x00007fe80deda3e9 in poll () at /usr/lib64/libc.so.6
#1  0x00007fe8101ef1af in linux_udev_event_thread_main () at /usr/lib64/libusb-1.0.so.0
#2  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#3  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 30 (Thread 0x7fe6f27fc700 (LWP 18629)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x000000000076455a in CachingReaderWorker::run() (this=0xb478478) at src/engine/cachingreaderworker.cpp:117
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 29 (Thread 0x7fe6f2ffd700 (LWP 18628)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x000000000076455a in CachingReaderWorker::run() (this=0xa8c4388) at src/engine/cachingreaderworker.cpp:117
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 28 (Thread 0x7fe6f37fe700 (LWP 18627)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x000000000076455a in CachingReaderWorker::run() (this=0x9edb948) at src/engine/cachingreaderworker.cpp:117
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 27 (Thread 0x7fe6f3fff700 (LWP 18618)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x0000000000bc79fd in VSyncThread::run() (this=0x53cd5e0) at src/waveform/vsyncthread.cpp:100
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 26 (Thread 0x7fe708efc700 (LWP 18615)):
#0  0x00007fe80deda3e9 in poll () at /usr/lib64/libc.so.6
#1  0x00007fe80ed5ebe6 in g_main_context_iterate.isra () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fe80ed5ed10 in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fe81306f293 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe81301db7b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007fe812e856b6 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#7  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#8  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 25 (Thread 0x7fe7096fd700 (LWP 18614)):
#0  0x00007fe81060d51c in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib64/libpthread.so.0
#1  0x00007fe812e8f183 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQt5Core.so.5
#2  0x000000000059570f in AnalyzerQueue::dequeueNextBlocking() (this=0x539e770) at src/analyzer/analyzerqueue.cpp:144
#3  0x0000000000599171 in AnalyzerQueue::execThread() (this=0x539e770) at src/analyzer/analyzerqueue.cpp:325
#4  0x000000000059c061 in AnalyzerQueue::run() (this=0x539e770) at src/analyzer/analyzerqueue.cpp:292
#5  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#6  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#7  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 24 (Thread 0x7fe709efe700 (LWP 18613)):
#0  0x00007fe81060d51c in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib64/libpthread.so.0
#1  0x00007fe812e8f183 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQt5Core.so.5
#2  0x000000000088fd5b in BrowseThread::run() (this=0x5389240) at src/library/browse/browsethread.cpp:79
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 23 (Thread 0x7fe70a6ff700 (LWP 18612)):
#0  0x00007fe80deda3e9 in poll () at /usr/lib64/libc.so.6
#1  0x00007fe80ed5ebe6 in g_main_context_iterate.isra () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fe80ed5ed10 in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fe81306f293 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe81301db7b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007fe812e856b6 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x000000000096fdb9 in LibraryScanner::run() (this=0x3b032c0) at src/library/scanner/libraryscanner.cpp:115
#7  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#8  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 22 (Thread 0x7fe70bfff700 (LWP 18611)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x000000000076455a in CachingReaderWorker::run() (this=0x5088bd8) at src/engine/cachingreaderworker.cpp:117
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 21 (Thread 0x7fe71d971700 (LWP 18610)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x000000000076455a in CachingReaderWorker::run() (this=0x4de1238) at src/engine/cachingreaderworker.cpp:117
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 20 (Thread 0x7fe71eb23700 (LWP 18609)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x000000000076455a in CachingReaderWorker::run() (this=0x4bd7678) at src/engine/cachingreaderworker.cpp:117
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 19 (Thread 0x7fe71fafe700 (LWP 18608)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x000000000076455a in CachingReaderWorker::run() (this=0x4a6af28) at src/engine/cachingreaderworker.cpp:117
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 18 (Thread 0x7fe734ee9700 (LWP 18607)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x000000000076455a in CachingReaderWorker::run() (this=0x48a0318) at src/engine/cachingreaderworker.cpp:117
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 17 (Thread 0x7fe740aaf700 (LWP 18606)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x000000000076455a in CachingReaderWorker::run() (this=0x45b82f8) at src/engine/cachingreaderworker.cpp:117
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 16 (Thread 0x7fe741fdb700 (LWP 18605)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x000000000076455a in CachingReaderWorker::run() (this=0x17c6b08) at src/engine/cachingreaderworker.cpp:117
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 15 (Thread 0x7fe743507700 (LWP 18604)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x000000000076455a in CachingReaderWorker::run() (this=0x3e01708) at src/engine/cachingreaderworker.cpp:117
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 14 (Thread 0x7fe748ae0700 (LWP 18603)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe812e8443c in bool futexSemaphoreTryAcquire<false>(QBasicAtomicInteger<unsigned long long>&, int, int) ()
    at /usr/lib64/libQt5Core.so.5
#2  0x000000000076455a in CachingReaderWorker::run() (this=0x20518d8) at src/engine/cachingreaderworker.cpp:117
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 13 (Thread 0x7fe74a05b700 (LWP 18602)):
#0  0x00007fe81060d51c in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib64/libpthread.so.0
#1  0x00007fe812e8f183 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQt5Core.so.5
#2  0x0000000000b98ab8 in VinylControlProcessor::run() (this=0x3a98100) at src/vinylcontrol/vinylcontrolprocessor.cpp:133
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 12 (Thread 0x7fe7503fb700 (LWP 18601)):
#0  0x00007fe80dedf879 in syscall () at /usr/lib64/libc.so.6
#1  0x00007fe80d9a479f in Jack::JackLinuxFutex::TimedWait(long) () at /usr/lib64/libjack.so.0
#2  0x00007fe80d98bcc9 in Jack::JackConnectionManager::SuspendRefNum(Jack::JackClientControl*, Jack::JackLinuxFutex*, Jack::JackClientTiming*, long) () at /usr/lib64/libjack.so.0
#3  0x00007fe80d98a85f in Jack::JackClient::ExecuteThread() () at /usr/lib64/libjack.so.0
#4  0x00007fe80d989c18 in  () at /usr/lib64/libjack.so.0
#5  0x00007fe80d9a291e in Jack::JackPosixThread::ThreadHandler(void*) () at /usr/lib64/libjack.so.0
#6  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#7  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 11 (Thread 0x7fe75048e700 (LWP 18600)):
#0  0x00007fe810610a64 in read () at /usr/lib64/libpthread.so.0
#1  0x00007fe80d9a3c01 in Jack::JackClientSocket::Read(void*, int) () at /usr/lib64/libjack.so.0
#2  0x00007fe80d9a7105 in Jack::JackSocketClientChannel::Execute() () at /usr/lib64/libjack.so.0
#3  0x00007fe80d9a291e in Jack::JackPosixThread::ThreadHandler(void*) () at /usr/lib64/libjack.so.0
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 10 (Thread 0x7fe75050f700 (LWP 18599)):
#0  0x00007fe81060d51c in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib64/libpthread.so.0
#1  0x00007fe80d9a3370 in Jack::JackPosixProcessSync::Wait() () at /usr/lib64/libjack.so.0
#2  0x00007fe80d99b07d in Jack::JackMessageBuffer::Execute() () at /usr/lib64/libjack.so.0
#3  0x00007fe80d9a291e in Jack::JackPosixThread::ThreadHandler(void*) () at /usr/lib64/libjack.so.0
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 9 (Thread 0x7fe751ed8700 (LWP 18594)):
#0  0x00007fe81060d51c in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib64/libpthread.so.0
#1  0x00007fe812e8f183 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQt5Core.so.5
#2  0x0000000000818a72 in EngineSideChain::run() (this=0x1d19840) at src/engine/sidechain/enginesidechain.cpp:118
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 8 (Thread 0x7fe752f1d700 (LWP 18593)):
#0  0x00007fe81060d51c in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib64/libpthread.so.0
#1  0x00007fe812e8f183 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQt5Core.so.5
#2  0x00000000007f696c in EngineWorkerScheduler::run() (this=0x1c852b0) at src/engine/engineworkerscheduler.cpp:56
#3  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 7 (Thread 0x7fe7d8bbc700 (LWP 18592)):
#0  0x00007fe81060d51c in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib64/libpthread.so.0
#1  0x00007fe8141f69ba in QTWTF::TCMalloc_PageHeap::scavengerThread() () at /usr/lib64/libQt5Script.so.5
#2  0x00007fe8141f6a25 in  () at /usr/lib64/libQt5Script.so.5
#3  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#4  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 6 (Thread 0x7fe7e6f88700 (LWP 18590)):
#0  0x00007fe80deda3e9 in poll () at /usr/lib64/libc.so.6
#1  0x00007fe80ed5ebe6 in g_main_context_iterate.isra () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fe80ed5ed10 in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fe81306f293 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fe81301db7b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007fe812e856b6 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007fe8132c77b9 in QDBusConnectionManager::run() () at /usr/lib64/libQt5DBus.so.5
#7  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#8  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 5 (Thread 0x7fe7e7fff700 (LWP 18589)):
#0  0x00007fe80deda3e9 in poll () at /usr/lib64/libc.so.6
#1  0x00007fe80ed5ebe6 in g_main_context_iterate.isra () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fe80ed5efa2 in g_main_loop_run () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fe8081eb6ba in gdbus_shared_thread_func () at /usr/lib64/libgio-2.0.so.0
#4  0x00007fe80ed86f2a in g_thread_proxy () at /usr/lib64/libglib-2.0.so.0
#5  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#6  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 4 (Thread 0x7fe7ec988700 (LWP 18588)):
#0  0x00007fe80deda3e9 in poll () at /usr/lib64/libc.so.6
#1  0x00007fe80ed5ebe6 in g_main_context_iterate.isra () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fe80ed5ed10 in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fe80ed5ed61 in glib_worker_main () at /usr/lib64/libglib-2.0.so.0
#4  0x00007fe80ed86f2a in g_thread_proxy () at /usr/lib64/libglib-2.0.so.0
#5  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#6  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 3 (Thread 0x7fe7ed189700 (LWP 18587)):
#0  0x00007fe80deda3e9 in poll () at /usr/lib64/libc.so.6
#1  0x00007fe80ed5ebe6 in g_main_context_iterate.isra () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fe80ed5ed10 in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fe7ed191e4d in dconf_gdbus_worker_thread () at /usr/lib64/gio/modules/libdconfsettings.so
#4  0x00007fe80ed86f2a in g_thread_proxy () at /usr/lib64/libglib-2.0.so.0
#5  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#6  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 2 (Thread 0x7fe7f5f73700 (LWP 18586)):
#0  0x00007fe80deda3e9 in poll () at /usr/lib64/libc.so.6
#1  0x00007fe80dbcc04f in _xcb_conn_wait () at /usr/lib64/libxcb.so.1
#2  0x00007fe80dbcdcaa in xcb_wait_for_event () at /usr/lib64/libxcb.so.1
#3  0x00007fe7f8d335a9 in QXcbEventReader::run() () at /usr/lib64/libQt5XcbQpa.so.5
#4  0x00007fe812e8eb4b in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#5  0x00007fe810607594 in start_thread () at /usr/lib64/libpthread.so.0
#6  0x00007fe80dee4e6f in clone () at /usr/lib64/libc.so.6

Thread 1 (Thread 0x7fe805641f00 (LWP 18585)):
#0  0x00007fe81060d51c in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib64/libpthread.so.0
#1  0x00007fe814ad3d02 in _XReply () at /usr/lib64/libX11.so.6
#2  0x00007fe814ad6721 in _XSeqSyncFunction () at /usr/lib64/libX11.so.6
#3  0x00007fe814ad5ed6 in _XError () at /usr/lib64/libX11.so.6
#4  0x00007fe814ad2d67 in handle_error () at /usr/lib64/libX11.so.6
#5  0x00007fe814ad2e0d in handle_response () at /usr/lib64/libX11.so.6
#6  0x00007fe814ad3cc6 in _XReply () at /usr/lib64/libX11.so.6
#7  0x00007fe814ad6721 in _XSeqSyncFunction () at /usr/lib64/libX11.so.6
#8  0x00007fe814aafc7b in XChangeProperty () at /usr/lib64/libX11.so.6
#9  0x00007fe814ace9a6 in XSetTextProperty () at /usr/lib64/libX11.so.6
#10 0x00007fe7f8d49f54 in QXcbWindow::setWindowTitle(QString const&) () at /usr/lib64/libQt5XcbQpa.so.5
#11 0x00007fe81345ccf2 in QWindow::setTitle(QString const&) () at /usr/lib64/libQt5Gui.so.5
#12 0x00007fe8139d46c4 in QWidgetPrivate::setWindowTitle_helper(QString const&) () at /usr/lib64/libQt5Widgets.so.5
#13 0x00007fe8139da7cb in QWidget::setWindowTitle(QString const&) () at /usr/lib64/libQt5Widgets.so.5
#14 0x0000000000909465 in DlgCoverArtFullSize::slotLoadTrack(std::shared_ptr<Track>) (this=0x2b8607e0, pTrack=...)
    at src/library/dlgcoverartfullsize.cpp:81
#15 0x000000000094a13c in DlgCoverArtFullSize::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) (_o=0x2b8607e0, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at /usr/include/c++/8/ext/atomicity.h:96
#16 0x00007fe813046e1e in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#17 0x00000000009a5612 in BaseTrackPlayer::newTrackLoaded(std::shared_ptr<Track>) (this=this@entry=0x42b1c30, _t1=
    std::shared_ptr<Track> (use count 25, weak count 1) = {...}) at lin64_build/mixer/moc_basetrackplayer.cc:192
#18 0x00000000009a3e03 in BaseTrackPlayerImpl::slotTrackLoaded(std::shared_ptr<Track>, std::shared_ptr<Track>) (this=0x42b1c30, pNewTrack=..., pOldTrack=std::shared_ptr<Track> (use count 11, weak count 1) = {...}) at /usr/include/c++/8/ext/atomicity.h:96
#19 0x00000000009a5d99 in BaseTrackPlayerImpl::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at /usr/include/c++/8/ext/atomicity.h:96
#20 0x00007fe813047b26 in QObject::event(QEvent*) () at /usr/lib64/libQt5Core.so.5
#21 0x00007fe8139aa475 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#22 0x00007fe8139b1b90 in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#23 0x00007fe81301ec36 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5
#24 0x00007fe813021e0b in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib64/libQt5Core.so.5
#25 0x00007fe81306f507 in postEventSourceDispatch(_GSource*, int (*)(void*), void*) () at /usr/lib64/libQt5Core.so.5
#26 0x00007fe80ed5e8ad in g_main_context_dispatch () at /usr/lib64/libglib-2.0.so.0
#27 0x00007fe80ed5ec78 in g_main_context_iterate.isra () at /usr/lib64/libglib-2.0.so.0
#28 0x00007fe80ed5ed10 in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#29 0x00007fe81306f293 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#30 0x00007fe7f8dc67c5 in QPAEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
    at /usr/lib64/libQt5XcbQpa.so.5
#31 0x00007fe81301db7b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#32 0x00007fe813025c46 in QCoreApplication::exec() () at /usr/lib64/libQt5Core.so.5
#33 0x0000000000527e36 in (anonymous namespace)::runMixxx (args=..., app=0x7ffc7ff542b0) at src/main.cpp:53
#34 0x0000000000527e36 in main (argc=<optimized out>, argv=<optimized out>) at src/main.cpp:136
#35 0x00007fe80de0e11b in __libc_start_main () at /usr/lib64/libc.so.6
#36 0x000000000052f7ca in _start () at /usr/include/qt5/QtCore/qdebug.h:125