(gdb) thread apply all bt

Thread 219 (Thread 0x7ffedc80b700 (LWP 17184)):
#0  0x00007ffff1d23eb9 in pthread_cond_timedwait@@GLIBC_2.3.2 ()
    at /usr/lib64/libpthread.so.0
#1  0x00007ffff43188d4 in QWaitCondition::wait(QMutex*, unsigned long) ()
    at /usr/lib64/libQtCore.so.4
#2  0x00007ffff430b8a7 in QThreadPoolThread::run() ()
    at /usr/lib64/libQtCore.so.4
#3  0x00007ffff431838c in QThreadPrivate::start(void*) ()
    at /usr/lib64/libQtCore.so.4
#4  0x00007ffff1d1e60a in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fffeeeb5a4d in clone () at /usr/lib64/libc.so.6

Thread 218 (Thread 0x7ffede8d8700 (LWP 17183)):
#0  0x00007ffff1d23eb9 in pthread_cond_timedwait@@GLIBC_2.3.2 ()
    at /usr/lib64/libpthread.so.0
#1  0x00007ffff43188d4 in QWaitCondition::wait(QMutex*, unsigned long) ()
    at /usr/lib64/libQtCore.so.4
#2  0x00007ffff430b8a7 in QThreadPoolThread::run() ()
    at /usr/lib64/libQtCore.so.4
#3  0x00007ffff431838c in QThreadPrivate::start(void*) ()
    at /usr/lib64/libQtCore.so.4
#4  0x00007ffff1d1e60a in start_thread () at /usr/lib64/libpthread.so.0
---Type <return> to continue, or q <return> to quit---
#5  0x00007fffeeeb5a4d in clone () at /usr/lib64/libc.so.6

Thread 217 (Thread 0x7ffedd80d700 (LWP 17182)):
#0  0x00007ffff1d23eb9 in pthread_cond_timedwait@@GLIBC_2.3.2 ()
    at /usr/lib64/libpthread.so.0
#1  0x00007ffff43188d4 in QWaitCondition::wait(QMutex*, unsigned long) ()
    at /usr/lib64/libQtCore.so.4
#2  0x00007ffff430b8a7 in QThreadPoolThread::run() ()
    at /usr/lib64/libQtCore.so.4
#3  0x00007ffff431838c in QThreadPrivate::start(void*) ()
    at /usr/lib64/libQtCore.so.4
#4  0x00007ffff1d1e60a in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fffeeeb5a4d in clone () at /usr/lib64/libc.so.6

Thread 216 (Thread 0x7ffedd00c700 (LWP 17181)):
#0  0x00007ffff1d23eb9 in pthread_cond_timedwait@@GLIBC_2.3.2 ()
    at /usr/lib64/libpthread.so.0
#1  0x00007ffff43188d4 in QWaitCondition::wait(QMutex*, unsigned long) ()
    at /usr/lib64/libQtCore.so.4
#2  0x00007ffff430b8a7 in QThreadPoolThread::run() ()
    at /usr/lib64/libQtCore.so.4
#3  0x00007ffff431838c in QThreadPrivate::start(void*) ()
    at /usr/lib64/libQtCore.so.4
---Type <return> to continue, or q <return> to quit---
#4  0x00007ffff1d1e60a in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fffeeeb5a4d in clone () at /usr/lib64/libc.so.6

Thread 132 (Thread 0x7fffc3fff700 (LWP 12836)):
#0  0x00007fffeeea9fdd in poll () at /usr/lib64/libc.so.6
#1  0x00007ffff4454b48 in qt_safe_poll(pollfd*, int, int, bool) ()
    at /usr/lib64/libQtCore.so.4
#2  0x00007ffff4402608 in QProcessManager::run() ()
    at /usr/lib64/libQtCore.so.4
#3  0x00007ffff431838c in QThreadPrivate::start(void*) ()
    at /usr/lib64/libQtCore.so.4
#4  0x00007ffff1d1e60a in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fffeeeb5a4d in clone () at /usr/lib64/libc.so.6

Thread 28 (Thread 0x7ffedf0d9700 (LWP 8125)):
#0  0x00007fffeeea9fdd in poll () at /usr/lib64/libc.so.6
#1  0x00007ffff7462a7b in PaAlsaStream_WaitForFrames ()
    at /usr/lib64/libportaudio.so.2
#2  0x00007ffff746377f in CallbackThreadFunc () at /usr/lib64/libportaudio.so.2
#3  0x00007ffff1d1e60a in start_thread () at /usr/lib64/libpthread.so.0
#4  0x00007fffeeeb5a4d in clone () at /usr/lib64/libc.so.6

Thread 27 (Thread 0x7ffedf8da700 (LWP 8124)):
---Type <return> to continue, or q <return> to quit---
#0  0x00007fffeeea9fdd in poll () at /usr/lib64/libc.so.6
#1  0x00007fffd08d18a1 in poll_func () at /usr/lib64/libpulse.so.0
#2  0x00007fffd08c2ec1 in pa_mainloop_poll () at /usr/lib64/libpulse.so.0
#3  0x00007fffd08c355e in pa_mainloop_iterate () at /usr/lib64/libpulse.so.0
#4  0x00007fffd08c3610 in pa_mainloop_run () at /usr/lib64/libpulse.so.0
#5  0x00007fffd08d1836 in thread () at /usr/lib64/libpulse.so.0
#6  0x00007fffd0671c78 in internal_thread_func ()
    at /usr/lib64/pulseaudio/libpulsecommon-7.1.so
#7  0x00007ffff1d1e60a in start_thread () at /usr/lib64/libpthread.so.0
#8  0x00007fffeeeb5a4d in clone () at /usr/lib64/libc.so.6

Thread 26 (Thread 0x7fff7d746700 (LWP 8111)):
#0  0x00007ffff1d23b10 in pthread_cond_wait@@GLIBC_2.3.2 ()
    at /usr/lib64/libpthread.so.0
#1  0x00007ffff493173a in QTWTF::TCMalloc_PageHeap::scavengerThread() ()
    at /usr/lib64/libQtScript.so.4
#2  0x00007ffff4931769 in  () at /usr/lib64/libQtScript.so.4
#3  0x00007ffff1d1e60a in start_thread () at /usr/lib64/libpthread.so.0
#4  0x00007fffeeeb5a4d in clone () at /usr/lib64/libc.so.6

Thread 25 (Thread 0x7fff7df47700 (LWP 8108)):
#0  0x00007fffeeea9fdd in poll () at /usr/lib64/libc.so.6
#1  0x00007fffefa5916c in g_main_context_iterate.isra ()
---Type <return> to continue, or q <return> to quit---
    at /usr/lib64/libglib-2.0.so.0
#2  0x00007fffefa5927c in g_main_context_iteration ()
    at /usr/lib64/libglib-2.0.so.0
#3  0x00007ffff4457e7e in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#4  0x00007ffff4426131 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#5  0x00007ffff44264a5 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#6  0x00007ffff4315a99 in QThread::exec() () at /usr/lib64/libQtCore.so.4
#7  0x00007ffff4406203 in QInotifyFileSystemWatcherEngine::run() ()
    at /usr/lib64/libQtCore.so.4
#8  0x00007ffff431838c in QThreadPrivate::start(void*) ()
    at /usr/lib64/libQtCore.so.4
#9  0x00007ffff1d1e60a in start_thread () at /usr/lib64/libpthread.so.0
#10 0x00007fffeeeb5a4d in clone () at /usr/lib64/libc.so.6

Thread 24 (Thread 0x7fff7edca700 (LWP 8107)):
#0  0x00007ffff1d23b10 in pthread_cond_wait@@GLIBC_2.3.2 ()
    at /usr/lib64/libpthread.so.0
#1  0x00007ffff43188f6 in QWaitCondition::wait(QMutex*, unsigned long) ()
    at /usr/lib64/libQtCore.so.4
#2  0x00007ffff4314603 in QSemaphore::acquire(int) ()
---Type <return> to continue, or q <return> to quit---
    at /usr/lib64/libQtCore.so.4
#3  0x0000000000c1fb3b in VSyncThread::run() (this=0x5fcffb0)
    at src/waveform/vsyncthread.cpp:81
#4  0x00007ffff431838c in QThreadPrivate::start(void*) ()
    at /usr/lib64/libQtCore.so.4
#5  0x00007ffff1d1e60a in start_thread () at /usr/lib64/libpthread.so.0
#6  0x00007fffeeeb5a4d in clone () at /usr/lib64/libc.so.6

Thread 23 (Thread 0x7fff7ffff700 (LWP 8106)):
#0  0x00007fffeeea9fdd in poll () at /usr/lib64/libc.so.6
#1  0x00007fffefa5916c in g_main_context_iterate.isra ()
    at /usr/lib64/libglib-2.0.so.0
#2  0x00007fffefa5927c in g_main_context_iteration ()
    at /usr/lib64/libglib-2.0.so.0
#3  0x00007ffff4457e5e in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#4  0x00007ffff4426131 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#5  0x00007ffff44264a5 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#6  0x00007ffff4315a99 in QThread::exec() () at /usr/lib64/libQtCore.so.4
#7  0x00007ffff431838c in QThreadPrivate::start(void*) ()
    at /usr/lib64/libQtCore.so.4
---Type <return> to continue, or q <return> to quit---
#8  0x00007ffff1d1e60a in start_thread () at /usr/lib64/libpthread.so.0
#9  0x00007fffeeeb5a4d in clone () at /usr/lib64/libc.so.6

Thread 22 (Thread 0x7fff90f02700 (LWP 8105)):
#0  0x00007fffeeea9fdd in poll () at /usr/lib64/libc.so.6
#1  0x00007ffff1905d8c in linux_udev_event_thread_main ()
    at /usr/lib64/libusb-1.0.so.0
#2  0x00007ffff1d1e60a in start_thread () at /usr/lib64/libpthread.so.0
#3  0x00007fffeeeb5a4d in clone () at /usr/lib64/libc.so.6

Thread 21 (Thread 0x7fff91703700 (LWP 8104)):
#0  0x00007ffff1d23b10 in pthread_cond_wait@@GLIBC_2.3.2 ()
    at /usr/lib64/libpthread.so.0
#1  0x00007ffff43188f6 in QWaitCondition::wait(QMutex*, unsigned long) ()
    at /usr/lib64/libQtCore.so.4
#2  0x00000000004c1f1b in AnalyzerQueue::dequeueNextBlocking() (this=this@entry=0x5e1eb00) at src/analyzer/analyzerqueue.cpp:138
#3  0x00000000004c271a in AnalyzerQueue::run() (this=0x5e1eb00)
    at src/analyzer/analyzerqueue.cpp:303
#4  0x00007ffff431838c in QThreadPrivate::start(void*) ()
    at /usr/lib64/libQtCore.so.4
#5  0x00007ffff1d1e60a in start_thread () at /usr/lib64/libpthread.so.0
#6  0x00007fffeeeb5a4d in clone () at /usr/lib64/libc.so.6
---Type <return> to continue, or q <return> to quit---

Thread 20 (Thread 0x7fff91f04700 (LWP 8103)):
#0  0x00007ffff1d23b10 in pthread_cond_wait@@GLIBC_2.3.2 ()
    at /usr/lib64/libpthread.so.0
#1  0x00007ffff43188f6 in QWaitCondition::wait(QMutex*, unsigned long) ()
    at /usr/lib64/libQtCore.so.4
#2  0x00000000008a1d51 in BrowseThread::run() (this=0x4775900)
    at src/library/browse/browsethread.cpp:81
#3  0x00007ffff431838c in QThreadPrivate::start(void*) ()
    at /usr/lib64/libQtCore.so.4
#4  0x00007ffff1d1e60a in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fffeeeb5a4d in clone () at /usr/lib64/libc.so.6

Thread 19 (Thread 0x7fff92a2c700 (LWP 8102)):
#0  0x00007fffeeea9fdd in poll () at /usr/lib64/libc.so.6
#1  0x00007fffefa5916c in g_main_context_iterate.isra ()
    at /usr/lib64/libglib-2.0.so.0
#2  0x00007fffefa5927c in g_main_context_iteration ()
    at /usr/lib64/libglib-2.0.so.0
#3  0x00007ffff4457e7e in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#4  0x00007ffff4426131 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
---Type <return> to continue, or q <return> to quit---
#5  0x00007ffff44264a5 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#6  0x00007ffff4315a99 in QThread::exec() () at /usr/lib64/libQtCore.so.4
#7  0x00000000009af60a in LibraryScanner::run() (this=0x36bc5f8)
    at src/library/scanner/libraryscanner.cpp:155
#8  0x00007ffff431838c in QThreadPrivate::start(void*) ()
    at /usr/lib64/libQtCore.so.4
#9  0x00007ffff1d1e60a in start_thread () at /usr/lib64/libpthread.so.0
#10 0x00007fffeeeb5a4d in clone () at /usr/lib64/libc.so.6

Thread 18 (Thread 0x7fff9cbfd700 (LWP 8101)):
#0  0x00007ffff1d23b10 in pthread_cond_wait@@GLIBC_2.3.2 ()
    at /usr/lib64/libpthread.so.0
#1  0x00007ffff43188f6 in QWaitCondition::wait(QMutex*, unsigned long) ()
    at /usr/lib64/libQtCore.so.4
#2  0x00007ffff4314603 in QSemaphore::acquire(int) ()
    at /usr/lib64/libQtCore.so.4
#3  0x0000000000680ec4 in CachingReaderWorker::run() (this=0x34a3c90)
    at src/engine/cachingreaderworker.cpp:92
#4  0x00007ffff431838c in QThreadPrivate::start(void*) ()
    at /usr/lib64/libQtCore.so.4
#5  0x00007ffff1d1e60a in start_thread () at /usr/lib64/libpthread.so.0
#6  0x00007fffeeeb5a4d in clone () at /usr/lib64/libc.so.6
---Type <return> to continue, or q <return> to quit---

Thread 17 (Thread 0x7fff9de4c700 (LWP 8100)):
#0  0x00007ffff1d23b10 in pthread_cond_wait@@GLIBC_2.3.2 ()
    at /usr/lib64/libpthread.so.0
#1  0x00007ffff43188f6 in QWaitCondition::wait(QMutex*, unsigned long) ()
    at /usr/lib64/libQtCore.so.4
#2  0x00007ffff4314603 in QSemaphore::acquire(int) ()
    at /usr/lib64/libQtCore.so.4
#3  0x0000000000680ec4 in CachingReaderWorker::run() (this=0x327b2f0)
    at src/engine/cachingreaderworker.cpp:92
#4  0x00007ffff431838c in QThreadPrivate::start(void*) ()
    at /usr/lib64/libQtCore.so.4
#5  0x00007ffff1d1e60a in start_thread () at /usr/lib64/libpthread.so.0
#6  0x00007fffeeeb5a4d in clone () at /usr/lib64/libc.so.6

Thread 16 (Thread 0x7fff9ffff700 (LWP 8099)):
#0  0x00007ffff1d23b10 in pthread_cond_wait@@GLIBC_2.3.2 ()
    at /usr/lib64/libpthread.so.0
#1  0x00007ffff43188f6 in QWaitCondition::wait(QMutex*, unsigned long) ()
    at /usr/lib64/libQtCore.so.4
#2  0x00007ffff4314603 in QSemaphore::acquire(int) ()
    at /usr/lib64/libQtCore.so.4
#3  0x0000000000680ec4 in CachingReaderWorker::run() (this=0x3052df0)
---Type <return> to continue, or q <return> to quit---
    at src/engine/cachingreaderworker.cpp:92
#4  0x00007ffff431838c in QThreadPrivate::start(void*) ()
    at /usr/lib64/libQtCore.so.4
#5  0x00007ffff1d1e60a in start_thread () at /usr/lib64/libpthread.so.0
#6  0x00007fffeeeb5a4d in clone () at /usr/lib64/libc.so.6

Thread 15 (Thread 0x7fffa62fc700 (LWP 8098)):
#0  0x00007ffff1d23b10 in pthread_cond_wait@@GLIBC_2.3.2 ()
    at /usr/lib64/libpthread.so.0
#1  0x00007ffff43188f6 in QWaitCondition::wait(QMutex*, unsigned long) ()
    at /usr/lib64/libQtCore.so.4
#2  0x00007ffff4314603 in QSemaphore::acquire(int) ()
    at /usr/lib64/libQtCore.so.4
#3  0x0000000000680ec4 in CachingReaderWorker::run() (this=0x2e2a840)
    at src/engine/cachingreaderworker.cpp:92
#4  0x00007ffff431838c in QThreadPrivate::start(void*) ()
    at /usr/lib64/libQtCore.so.4
#5  0x00007ffff1d1e60a in start_thread () at /usr/lib64/libpthread.so.0
#6  0x00007fffeeeb5a4d in clone () at /usr/lib64/libc.so.6

Thread 14 (Thread 0x7fffa7fff700 (LWP 8097)):
#0  0x00007ffff1d23b10 in pthread_cond_wait@@GLIBC_2.3.2 ()
    at /usr/lib64/libpthread.so.0
---Type <return> to continue, or q <return> to quit---
#1  0x00007ffff43188f6 in QWaitCondition::wait(QMutex*, unsigned long) ()
    at /usr/lib64/libQtCore.so.4
#2  0x00007ffff4314603 in QSemaphore::acquire(int) ()
    at /usr/lib64/libQtCore.so.4
#3  0x0000000000680ec4 in CachingReaderWorker::run() (this=0x2cdacb0)
    at src/engine/cachingreaderworker.cpp:92
#4  0x00007ffff431838c in QThreadPrivate::start(void*) ()
    at /usr/lib64/libQtCore.so.4
#5  0x00007ffff1d1e60a in start_thread () at /usr/lib64/libpthread.so.0
#6  0x00007fffeeeb5a4d in clone () at /usr/lib64/libc.so.6

Thread 13 (Thread 0x7fffb2926700 (LWP 8096)):
#0  0x00007ffff1d23b10 in pthread_cond_wait@@GLIBC_2.3.2 ()
    at /usr/lib64/libpthread.so.0
#1  0x00007ffff43188f6 in QWaitCondition::wait(QMutex*, unsigned long) ()
    at /usr/lib64/libQtCore.so.4
#2  0x00007ffff4314603 in QSemaphore::acquire(int) ()
    at /usr/lib64/libQtCore.so.4
#3  0x0000000000680ec4 in CachingReaderWorker::run() (this=0x29a3e60)
    at src/engine/cachingreaderworker.cpp:92
#4  0x00007ffff431838c in QThreadPrivate::start(void*) ()
    at /usr/lib64/libQtCore.so.4
#5  0x00007ffff1d1e60a in start_thread () at /usr/lib64/libpthread.so.0
---Type <return> to continue, or q <return> to quit---
#6  0x00007fffeeeb5a4d in clone () at /usr/lib64/libc.so.6

Thread 12 (Thread 0x7fffc0cf5700 (LWP 8095)):
#0  0x00007ffff1d23b10 in pthread_cond_wait@@GLIBC_2.3.2 ()
    at /usr/lib64/libpthread.so.0
#1  0x00007ffff43188f6 in QWaitCondition::wait(QMutex*, unsigned long) ()
    at /usr/lib64/libQtCore.so.4
#2  0x00007ffff4314603 in QSemaphore::acquire(int) ()
    at /usr/lib64/libQtCore.so.4
#3  0x0000000000680ec4 in CachingReaderWorker::run() (this=0x266d8e0)
    at src/engine/cachingreaderworker.cpp:92
#4  0x00007ffff431838c in QThreadPrivate::start(void*) ()
    at /usr/lib64/libQtCore.so.4
#5  0x00007ffff1d1e60a in start_thread () at /usr/lib64/libpthread.so.0
#6  0x00007fffeeeb5a4d in clone () at /usr/lib64/libc.so.6

Thread 11 (Thread 0x7fffc2ffe700 (LWP 8093)):
#0  0x00007ffff1d23b10 in pthread_cond_wait@@GLIBC_2.3.2 ()
    at /usr/lib64/libpthread.so.0
#1  0x00007ffff43188f6 in QWaitCondition::wait(QMutex*, unsigned long) ()
    at /usr/lib64/libQtCore.so.4
#2  0x00007ffff4314603 in QSemaphore::acquire(int) ()
    at /usr/lib64/libQtCore.so.4
---Type <return> to continue, or q <return> to quit---
#3  0x0000000000680ec4 in CachingReaderWorker::run() (this=0x23270b0)
    at src/engine/cachingreaderworker.cpp:92
#4  0x00007ffff431838c in QThreadPrivate::start(void*) ()
    at /usr/lib64/libQtCore.so.4
#5  0x00007ffff1d1e60a in start_thread () at /usr/lib64/libpthread.so.0
#6  0x00007fffeeeb5a4d in clone () at /usr/lib64/libc.so.6

Thread 10 (Thread 0x7fffc9427700 (LWP 8092)):
#0  0x00007ffff1d23b10 in pthread_cond_wait@@GLIBC_2.3.2 ()
    at /usr/lib64/libpthread.so.0
#1  0x00007ffff43188f6 in QWaitCondition::wait(QMutex*, unsigned long) ()
    at /usr/lib64/libQtCore.so.4
#2  0x00007ffff4314603 in QSemaphore::acquire(int) ()
    at /usr/lib64/libQtCore.so.4
#3  0x0000000000680ec4 in CachingReaderWorker::run() (this=0x1fa44c0)
    at src/engine/cachingreaderworker.cpp:92
#4  0x00007ffff431838c in QThreadPrivate::start(void*) ()
    at /usr/lib64/libQtCore.so.4
#5  0x00007ffff1d1e60a in start_thread () at /usr/lib64/libpthread.so.0
#6  0x00007fffeeeb5a4d in clone () at /usr/lib64/libc.so.6

Thread 9 (Thread 0x7fffcbbe0700 (LWP 8091)):
#0  0x00007ffff1d23b10 in pthread_cond_wait@@GLIBC_2.3.2 ()
---Type <return> to continue, or q <return> to quit---
    at /usr/lib64/libpthread.so.0
#1  0x00007ffff43188f6 in QWaitCondition::wait(QMutex*, unsigned long) ()
    at /usr/lib64/libQtCore.so.4
#2  0x0000000000bf9f9a in VinylControlProcessor::run() (this=0x1e37e70)
    at src/vinylcontrol/vinylcontrolprocessor.cpp:133
#3  0x00007ffff431838c in QThreadPrivate::start(void*) ()
    at /usr/lib64/libQtCore.so.4
#4  0x00007ffff1d1e60a in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fffeeeb5a4d in clone () at /usr/lib64/libc.so.6

Thread 3 (Thread 0x7fffd1848700 (LWP 8085)):
#0  0x00007ffff1d23b10 in pthread_cond_wait@@GLIBC_2.3.2 ()
    at /usr/lib64/libpthread.so.0
#1  0x00007ffff43188f6 in QWaitCondition::wait(QMutex*, unsigned long) ()
    at /usr/lib64/libQtCore.so.4
#2  0x0000000000819ba0 in EngineSideChain::run() (this=0x1574070)
    at src/engine/sidechain/enginesidechain.cpp:105
#3  0x00007ffff431838c in QThreadPrivate::start(void*) ()
    at /usr/lib64/libQtCore.so.4
#4  0x00007ffff1d1e60a in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fffeeeb5a4d in clone () at /usr/lib64/libc.so.6

Thread 2 (Thread 0x7fffd2438700 (LWP 8084)):

---Type <return> to continue, or q <return> to quit---
#0  0x00007ffff1d23b10 in pthread_cond_wait@@GLIBC_2.3.2 ()
    at /usr/lib64/libpthread.so.0
#1  0x00007ffff43188f6 in QWaitCondition::wait(QMutex*, unsigned long) ()
    at /usr/lib64/libQtCore.so.4
#2  0x00000000007ef732 in EngineWorkerScheduler::run() (this=0x149b7d0)
    at src/engine/engineworkerscheduler.cpp:57
#3  0x00007ffff431838c in QThreadPrivate::start(void*) ()
    at /usr/lib64/libQtCore.so.4
#4  0x00007ffff1d1e60a in start_thread () at /usr/lib64/libpthread.so.0
#5  0x00007fffeeeb5a4d in clone () at /usr/lib64/libc.so.6

Thread 1 (Thread 0x7ffff7f7a8c0 (LWP 8082)):
#0  0x00007ffff4edae5a in QApplication::x11ProcessEvent(_XEvent*) ()
    at /usr/lib64/libQtGui.so.4
#1  0x00007ffff4f04299 in x11EventSourceDispatch(_GSource*, int (*)(void*), void*) () at /usr/lib64/libQtGui.so.4
#2  0x00007fffefa58e3a in g_main_context_dispatch ()
    at /usr/lib64/libglib-2.0.so.0
#3  0x00007fffefa591d0 in g_main_context_iterate.isra ()
    at /usr/lib64/libglib-2.0.so.0
#4  0x00007fffefa5927c in g_main_context_iteration ()
    at /usr/lib64/libglib-2.0.so.0
#5  0x00007ffff4457e5e in QEventDispatcherGlib::processEvents(QFlags<QEventLoop:---Type <return> to continue, or q <return> to quit---
:ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#6  0x00007ffff4f04436 in QGuiEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtGui.so.4
#7  0x00007ffff4426131 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#8  0x00007ffff44264a5 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#9  0x00007ffff442c039 in QCoreApplication::exec() ()
    at /usr/lib64/libQtCore.so.4
#10 0x0000000000489f3d in main(int, char**) (argc=7, argv=<optimized out>)
    at src/main.cpp:116