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Mixxx stucks endless printing Warning [VinylControlProcessor 1]: VinylControlProcessor could not write signal quality report for VC index: 0 #7269

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mixxxbot opened this issue Aug 22, 2022 · 8 comments
Open

Mixxx stucks endless printing Warning [VinylControlProcessor 1]: VinylControlProcessor could not write signal quality report for VC index: 0 #7269

mixxxbot opened this issue Aug 22, 2022 · 8 comments
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@mixxxbot
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Reported by: daschuer
Date: 2014-01-15T19:31:34Z
Status: Confirmed
Importance: Low
Launchpad Issue: lp1269559

It has just happend testing my cdj branch:

Mixxx stucks in an endless Loop printing:
Warning [VinylControlProcessor 1]: VinylControlProcessor could not write signal quality report for VC index: 0
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Commented by: daschuer
Date: 2014-01-15T19:42:30Z

It happens after skin change.

I have tested again in eclipse/gdb and I receive a segfault after a while.

mixxx Default [C/C++ Application]
mixxx [3572] [cores: 0,1,2,3]
Thread [27] 3608 [core: 0] (Suspended : Container)
pthread_cond_wait@@GLIBC_2.3.2() at pthread_cond_wait.S:185 0x7ffff34cbc84
0x7ffff5ff606b
0x7ffff5ff60a9
start_thread() at pthread_create.c:311 0x7ffff34c7f6e
clone() at clone.S:113 0x7ffff1e2d9cd
Thread [26] 3607 [core: 2] (Suspended : Container)
poll() at syscall-template.S:81 0x7ffff1e20f7d
0x7ffff7bbc2c5
0x7ffff7bbce9b
start_thread() at pthread_create.c:311 0x7ffff34c7f6e
clone() at clone.S:113 0x7ffff1e2d9cd
Thread [25] 3606 [core: 2] (Suspended : Container)
pthread_cond_wait@@GLIBC_2.3.2() at pthread_cond_wait.S:185 0x7ffff34cbc84
wait() at qwaitcondition_unix.cpp:86 0x7ffff56c2406
QWaitCondition::wait() at qwaitcondition_unix.cpp:158 0x7ffff56c2406
QSemaphore::acquire() at qsemaphore.cpp:144 0x7ffff56be5eb
VSyncThread::run() at vsyncthread.cpp:77 0x98dc0d
QThreadPrivate::start() at qthread_unix.cpp:338 0x7ffff56c1f2f
start_thread() at pthread_create.c:311 0x7ffff34c7f6e
clone() at clone.S:113 0x7ffff1e2d9cd
Thread [24] 3605 [core: 1] (Suspended : Container)
poll() at syscall-template.S:81 0x7ffff1e20f7d
0x7ffff064e6a4
g_main_context_iteration() at 0x7ffff064e7ac
QEventDispatcherGlib::processEvents() at qeventdispatcher_glib.cpp:424 0x7ffff57eea55
QEventLoop::processEvents() at qeventloop.cpp:149 0x7ffff57c05ef
QEventLoop::exec() at qeventloop.cpp:204 0x7ffff57c08e5
QThread::exec() at qthread.cpp:542 0x7ffff56bf88f
QThreadPrivate::start() at qthread_unix.cpp:338 0x7ffff56c1f2f
start_thread() at pthread_create.c:311 0x7ffff34c7f6e
clone() at clone.S:113 0x7ffff1e2d9cd
Thread [23] 3604 [core: 1] (Suspended : Container)
poll() at syscall-template.S:81 0x7ffff1e20f7d
0x7ffff30b0198
start_thread() at pthread_create.c:311 0x7ffff34c7f6e
clone() at clone.S:113 0x7ffff1e2d9cd
Thread [22] 3603 [core: 2] (Suspended : Container)
pthread_cond_wait@@GLIBC_2.3.2() at pthread_cond_wait.S:185 0x7ffff34cbc84
wait() at qwaitcondition_unix.cpp:86 0x7ffff56c2406
QWaitCondition::wait() at qwaitcondition_unix.cpp:158 0x7ffff56c2406
AnalyserQueue::dequeueNextBlocking() at analyserqueue.cpp:118 0x4af779
AnalyserQueue::run() at analyserqueue.cpp:279 0x4b1bae
QThreadPrivate::start() at qthread_unix.cpp:338 0x7ffff56c1f2f
start_thread() at pthread_create.c:311 0x7ffff34c7f6e
clone() at clone.S:113 0x7ffff1e2d9cd
Thread [21] 3602 [core: 2] (Suspended : Container)
pthread_cond_wait@@GLIBC_2.3.2() at pthread_cond_wait.S:185 0x7ffff34cbc84
wait() at qwaitcondition_unix.cpp:86 0x7ffff56c2406
QWaitCondition::wait() at qwaitcondition_unix.cpp:158 0x7ffff56c2406
BrowseThread::run() at browsethread.cpp:82 0x77beda
QThreadPrivate::start() at qthread_unix.cpp:338 0x7ffff56c1f2f
start_thread() at pthread_create.c:311 0x7ffff34c7f6e
clone() at clone.S:113 0x7ffff1e2d9cd
Thread [20] 3601 [core: 1] (Suspended : Container)
pthread_cond_wait@@GLIBC_2.3.2() at pthread_cond_wait.S:185 0x7ffff34cbc84
wait() at qwaitcondition_unix.cpp:86 0x7ffff56c2406
QWaitCondition::wait() at qwaitcondition_unix.cpp:158 0x7ffff56c2406
QSemaphore::acquire() at qsemaphore.cpp:144 0x7ffff56be5eb
CachingReaderWorker::run() at cachingreaderworker.cpp:124 0x4cbfe8
QThreadPrivate::start() at qthread_unix.cpp:338 0x7ffff56c1f2f
start_thread() at pthread_create.c:311 0x7ffff34c7f6e
clone() at clone.S:113 0x7ffff1e2d9cd
Thread [19] 3600 [core: 2] (Suspended : Container)
pthread_cond_wait@@GLIBC_2.3.2() at pthread_cond_wait.S:185 0x7ffff34cbc84
wait() at qwaitcondition_unix.cpp:86 0x7ffff56c2406
QWaitCondition::wait() at qwaitcondition_unix.cpp:158 0x7ffff56c2406
QSemaphore::acquire() at qsemaphore.cpp:144 0x7ffff56be5eb
CachingReaderWorker::run() at cachingreaderworker.cpp:124 0x4cbfe8
QThreadPrivate::start() at qthread_unix.cpp:338 0x7ffff56c1f2f
start_thread() at pthread_create.c:311 0x7ffff34c7f6e
clone() at clone.S:113 0x7ffff1e2d9cd
Thread [18] 3599 [core: 3] (Suspended : Container)
pthread_cond_wait@@GLIBC_2.3.2() at pthread_cond_wait.S:185 0x7ffff34cbc84
wait() at qwaitcondition_unix.cpp:86 0x7ffff56c2406
QWaitCondition::wait() at qwaitcondition_unix.cpp:158 0x7ffff56c2406
QSemaphore::acquire() at qsemaphore.cpp:144 0x7ffff56be5eb
CachingReaderWorker::run() at cachingreaderworker.cpp:124 0x4cbfe8
QThreadPrivate::start() at qthread_unix.cpp:338 0x7ffff56c1f2f
start_thread() at pthread_create.c:311 0x7ffff34c7f6e
clone() at clone.S:113 0x7ffff1e2d9cd
Thread [17] 3598 [core: 2] (Suspended : Container)
pthread_cond_wait@@GLIBC_2.3.2() at pthread_cond_wait.S:185 0x7ffff34cbc84
wait() at qwaitcondition_unix.cpp:86 0x7ffff56c2406
QWaitCondition::wait() at qwaitcondition_unix.cpp:158 0x7ffff56c2406
QSemaphore::acquire() at qsemaphore.cpp:144 0x7ffff56be5eb
CachingReaderWorker::run() at cachingreaderworker.cpp:124 0x4cbfe8
QThreadPrivate::start() at qthread_unix.cpp:338 0x7ffff56c1f2f
start_thread() at pthread_create.c:311 0x7ffff34c7f6e
clone() at clone.S:113 0x7ffff1e2d9cd
Thread [16] 3597 [core: 0] (Suspended : Container)
pthread_cond_wait@@GLIBC_2.3.2() at pthread_cond_wait.S:185 0x7ffff34cbc84
wait() at qwaitcondition_unix.cpp:86 0x7ffff56c2406
QWaitCondition::wait() at qwaitcondition_unix.cpp:158 0x7ffff56c2406
QSemaphore::acquire() at qsemaphore.cpp:144 0x7ffff56be5eb
CachingReaderWorker::run() at cachingreaderworker.cpp:124 0x4cbfe8
QThreadPrivate::start() at qthread_unix.cpp:338 0x7ffff56c1f2f
start_thread() at pthread_create.c:311 0x7ffff34c7f6e
clone() at clone.S:113 0x7ffff1e2d9cd
Thread [15] 3596 [core: 2] (Suspended : Container)
pthread_cond_wait@@GLIBC_2.3.2() at pthread_cond_wait.S:185 0x7ffff34cbc84
wait() at qwaitcondition_unix.cpp:86 0x7ffff56c2406
QWaitCondition::wait() at qwaitcondition_unix.cpp:158 0x7ffff56c2406
QSemaphore::acquire() at qsemaphore.cpp:144 0x7ffff56be5eb
CachingReaderWorker::run() at cachingreaderworker.cpp:124 0x4cbfe8
QThreadPrivate::start() at qthread_unix.cpp:338 0x7ffff56c1f2f
start_thread() at pthread_create.c:311 0x7ffff34c7f6e
clone() at clone.S:113 0x7ffff1e2d9cd
Thread [14] 3595 [core: 2] (Suspended : Container)
pthread_cond_wait@@GLIBC_2.3.2() at pthread_cond_wait.S:185 0x7ffff34cbc84
wait() at qwaitcondition_unix.cpp:86 0x7ffff56c2406
QWaitCondition::wait() at qwaitcondition_unix.cpp:158 0x7ffff56c2406
QSemaphore::acquire() at qsemaphore.cpp:144 0x7ffff56be5eb
CachingReaderWorker::run() at cachingreaderworker.cpp:124 0x4cbfe8
QThreadPrivate::start() at qthread_unix.cpp:338 0x7ffff56c1f2f
start_thread() at pthread_create.c:311 0x7ffff34c7f6e
clone() at clone.S:113 0x7ffff1e2d9cd
Thread [13] 3594 [core: 0] (Suspended : Container)
pthread_cond_wait@@GLIBC_2.3.2() at pthread_cond_wait.S:185 0x7ffff34cbc84
wait() at qwaitcondition_unix.cpp:86 0x7ffff56c2406
QWaitCondition::wait() at qwaitcondition_unix.cpp:158 0x7ffff56c2406
VinylControlProcessor::run() at vinylcontrolprocessor.cpp:130 0x96ce61
QThreadPrivate::start() at qthread_unix.cpp:338 0x7ffff56c1f2f
start_thread() at pthread_create.c:311 0x7ffff34c7f6e
clone() at clone.S:113 0x7ffff1e2d9cd
Thread [7] 3588 [core: 3] (Suspended : Container)
pthread_cond_wait@@GLIBC_2.3.2() at pthread_cond_wait.S:185 0x7ffff34cbc84
wait() at qwaitcondition_unix.cpp:86 0x7ffff56c2406
QWaitCondition::wait() at qwaitcondition_unix.cpp:158 0x7ffff56c2406
EngineSideChain::run() at enginesidechain.cpp:93 0x70fa4f
QThreadPrivate::start() at qthread_unix.cpp:338 0x7ffff56c1f2f
start_thread() at pthread_create.c:311 0x7ffff34c7f6e
clone() at clone.S:113 0x7ffff1e2d9cd
Thread [6] 3587 [core: 3] (Suspended : Container)
pthread_cond_wait@@GLIBC_2.3.2() at pthread_cond_wait.S:185 0x7ffff34cbc84
wait() at qwaitcondition_unix.cpp:86 0x7ffff56c2406
QWaitCondition::wait() at qwaitcondition_unix.cpp:158 0x7ffff56c2406
EngineWorkerScheduler::run() at engineworkerscheduler.cpp:43 0x6f3016
QThreadPrivate::start() at qthread_unix.cpp:338 0x7ffff56c1f2f
start_thread() at pthread_create.c:311 0x7ffff34c7f6e
clone() at clone.S:113 0x7ffff1e2d9cd
Thread [5] 3586 [core: 3] (Suspended : Container)
pthread_cond_wait@@GLIBC_2.3.2() at pthread_cond_wait.S:185 0x7ffff34cbc84
wait() at qwaitcondition_unix.cpp:86 0x7ffff56c2406
QWaitCondition::wait() at qwaitcondition_unix.cpp:158 0x7ffff56c2406
StatsManager::run() at statsmanager.cpp:97 0x9525aa
QThreadPrivate::start() at qthread_unix.cpp:338 0x7ffff56c1f2f
start_thread() at pthread_create.c:311 0x7ffff34c7f6e
clone() at clone.S:113 0x7ffff1e2d9cd
Thread [3] 3584 [core: 0] (Suspended : Container)
poll() at syscall-template.S:81 0x7ffff1e20f7d
0x7ffff064e6a4
g_main_context_iteration() at 0x7ffff064e7ac
0x7ffff064e7f9
0x7ffff06730f5
start_thread() at pthread_create.c:311 0x7ffff34c7f6e
clone() at clone.S:113 0x7ffff1e2d9cd
Thread [2] 3583 [core: 1] (Suspended : Container)
poll() at syscall-template.S:81 0x7ffff1e20f7d
0x7ffff064e6a4
g_main_loop_run() at 0x7ffff064eb0a
0x7fffe7bf9b66
0x7ffff06730f5
start_thread() at pthread_create.c:311 0x7ffff34c7f6e
clone() at clone.S:113 0x7ffff1e2d9cd
Thread [1] 3572 [core: 0] (Suspended : Signal : SIGSEGV:Segmentation fault)
QCoreApplication::notifyInternal() at qcoreapplication.cpp:933 0x7ffff57c18a0
sendEvent() at qcoreapplication.h:231 0x7ffff57f1403
QTimerInfoList::activateTimers() at qeventdispatcher_unix.cpp:622 0x7ffff57f1403
timerSourceDispatch() at qeventdispatcher_glib.cpp:186 0x7ffff57ee7d9
idleTimerSourceDispatch() at qeventdispatcher_glib.cpp:233 0x7ffff57ee7d9
g_main_context_dispatch() at 0x7ffff064e3b6
0x7ffff064e708
g_main_context_iteration() at 0x7ffff064e7ac
QEventDispatcherGlib::processEvents() at qeventdispatcher_glib.cpp:424 0x7ffff57eea55
QGuiEventDispatcherGlib::processEvents() at qguieventdispatcher_glib.cpp:204 0x7ffff67c19d6
QEventLoop::processEvents() at qeventloop.cpp:149 0x7ffff57c05ef
QEventLoop::exec() at qeventloop.cpp:204 0x7ffff57c08e5
QCoreApplication::exec() at qcoreapplication.cpp:1.218 0x7ffff57c5e5b
QApplication::exec() at qapplication.cpp:3.828 0x7ffff671e34c
main() at main.cpp:343 0x46f34b
gdb

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Commented by: daschuer
Date: 2014-01-15T19:52:32Z

Now the bug is gone without any change to the code :-/

@mixxxbot
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Commented by: daschuer
Date: 2014-01-15T20:08:31Z

Bug is back: Now I suspend Mixxx while printing continuous the error message:

mixxx Default [C/C++ Application]	
	mixxx [5166] [cores: 0,1,3]	
		Thread [27] 5199 [core: 1] (Suspended : Container)	
			pthread_cond_wait@@GLIBC_2.3.2() at pthread_cond_wait.S:185 0x7ffff34cbc84	
			0x7ffff5ff606b	
			0x7ffff5ff60a9	
			start_thread() at pthread_create.c:311 0x7ffff34c7f6e	
			clone() at clone.S:113 0x7ffff1e2d9cd	
		Thread [26] 5198 [core: 0] (Suspended : Container)	
			poll() at syscall-template.S:81 0x7ffff1e20f7d	
			0x7ffff7bbc2c5	
			0x7ffff7bbce9b	
			start_thread() at pthread_create.c:311 0x7ffff34c7f6e	
			clone() at clone.S:113 0x7ffff1e2d9cd	
		Thread [25] 5197 [core: 3] (Suspended : Container)	
			pthread_cond_timedwait@@GLIBC_2.3.2() at pthread_cond_timedwait.S:238 0x7ffff34cc03e	
			thread_sleep() at qthread_unix.cpp:475 0x7ffff56c0b7a	
			QThread::usleep() at qthread_unix.cpp:513 0x7ffff56c1405	
			VSyncThread::run() at vsyncthread.cpp:73 0x992578	
			QThreadPrivate::start() at qthread_unix.cpp:338 0x7ffff56c1f2f	
			start_thread() at pthread_create.c:311 0x7ffff34c7f6e	
			clone() at clone.S:113 0x7ffff1e2d9cd	
		Thread [24] 5196 [core: 1] (Suspended : Container)	
			poll() at syscall-template.S:81 0x7ffff1e20f7d	
			0x7ffff064e6a4	
			g_main_context_iteration() at 0x7ffff064e7ac	
			QEventDispatcherGlib::processEvents() at qeventdispatcher_glib.cpp:424 0x7ffff57eea55	
			QEventLoop::processEvents() at qeventloop.cpp:149 0x7ffff57c05ef	
			QEventLoop::exec() at qeventloop.cpp:204 0x7ffff57c08e5	
			QThread::exec() at qthread.cpp:542 0x7ffff56bf88f	
			QThreadPrivate::start() at qthread_unix.cpp:338 0x7ffff56c1f2f	
			start_thread() at pthread_create.c:311 0x7ffff34c7f6e	
			clone() at clone.S:113 0x7ffff1e2d9cd	
		Thread [23] 5195 [core: 0] (Suspended : Container)	
			poll() at syscall-template.S:81 0x7ffff1e20f7d	
			0x7ffff30b0198	
			start_thread() at pthread_create.c:311 0x7ffff34c7f6e	
			clone() at clone.S:113 0x7ffff1e2d9cd	
		Thread [22] 5194 [core: 3] (Suspended : Container)	
			pthread_cond_wait@@GLIBC_2.3.2() at pthread_cond_wait.S:185 0x7ffff34cbc84	
			wait() at qwaitcondition_unix.cpp:86 0x7ffff56c2406	
			QWaitCondition::wait() at qwaitcondition_unix.cpp:158 0x7ffff56c2406	
			AnalyserQueue::dequeueNextBlocking() at analyserqueue.cpp:118 0x4afe89	
			AnalyserQueue::run() at analyserqueue.cpp:279 0x4b22be	
			QThreadPrivate::start() at qthread_unix.cpp:338 0x7ffff56c1f2f	
			start_thread() at pthread_create.c:311 0x7ffff34c7f6e	
			clone() at clone.S:113 0x7ffff1e2d9cd	
		Thread [21] 5193 [core: 1] (Suspended : Container)	
			pthread_cond_wait@@GLIBC_2.3.2() at pthread_cond_wait.S:185 0x7ffff34cbc84	
			wait() at qwaitcondition_unix.cpp:86 0x7ffff56c2406	
			QWaitCondition::wait() at qwaitcondition_unix.cpp:158 0x7ffff56c2406	
			BrowseThread::run() at browsethread.cpp:82 0x77be6a	
			QThreadPrivate::start() at qthread_unix.cpp:338 0x7ffff56c1f2f	
			start_thread() at pthread_create.c:311 0x7ffff34c7f6e	
			clone() at clone.S:113 0x7ffff1e2d9cd	
		Thread [20] 5192 [core: 1] (Suspended : Container)	
			pthread_cond_wait@@GLIBC_2.3.2() at pthread_cond_wait.S:185 0x7ffff34cbc84	
			wait() at qwaitcondition_unix.cpp:86 0x7ffff56c2406	
			QWaitCondition::wait() at qwaitcondition_unix.cpp:158 0x7ffff56c2406	
			QSemaphore::acquire() at qsemaphore.cpp:144 0x7ffff56be5eb	
			CachingReaderWorker::run() at cachingreaderworker.cpp:124 0x4cc6f8	
			QThreadPrivate::start() at qthread_unix.cpp:338 0x7ffff56c1f2f	
			start_thread() at pthread_create.c:311 0x7ffff34c7f6e	
			clone() at clone.S:113 0x7ffff1e2d9cd	
		Thread [19] 5191 [core: 1] (Suspended : Container)	
			pthread_cond_wait@@GLIBC_2.3.2() at pthread_cond_wait.S:185 0x7ffff34cbc84	
			wait() at qwaitcondition_unix.cpp:86 0x7ffff56c2406	
			QWaitCondition::wait() at qwaitcondition_unix.cpp:158 0x7ffff56c2406	
			QSemaphore::acquire() at qsemaphore.cpp:144 0x7ffff56be5eb	
			CachingReaderWorker::run() at cachingreaderworker.cpp:124 0x4cc6f8	
			QThreadPrivate::start() at qthread_unix.cpp:338 0x7ffff56c1f2f	
			start_thread() at pthread_create.c:311 0x7ffff34c7f6e	
			clone() at clone.S:113 0x7ffff1e2d9cd	
		Thread [18] 5190 [core: 0] (Suspended : Container)	
			pthread_cond_wait@@GLIBC_2.3.2() at pthread_cond_wait.S:185 0x7ffff34cbc84	
			wait() at qwaitcondition_unix.cpp:86 0x7ffff56c2406	
			QWaitCondition::wait() at qwaitcondition_unix.cpp:158 0x7ffff56c2406	
			QSemaphore::acquire() at qsemaphore.cpp:144 0x7ffff56be5eb	
			CachingReaderWorker::run() at cachingreaderworker.cpp:124 0x4cc6f8	
			QThreadPrivate::start() at qthread_unix.cpp:338 0x7ffff56c1f2f	
			start_thread() at pthread_create.c:311 0x7ffff34c7f6e	
			clone() at clone.S:113 0x7ffff1e2d9cd	
		Thread [17] 5189 [core: 1] (Suspended : Container)	
			pthread_cond_wait@@GLIBC_2.3.2() at pthread_cond_wait.S:185 0x7ffff34cbc84	
			wait() at qwaitcondition_unix.cpp:86 0x7ffff56c2406	
			QWaitCondition::wait() at qwaitcondition_unix.cpp:158 0x7ffff56c2406	
			QSemaphore::acquire() at qsemaphore.cpp:144 0x7ffff56be5eb	
			CachingReaderWorker::run() at cachingreaderworker.cpp:124 0x4cc6f8	
			QThreadPrivate::start() at qthread_unix.cpp:338 0x7ffff56c1f2f	
			start_thread() at pthread_create.c:311 0x7ffff34c7f6e	
			clone() at clone.S:113 0x7ffff1e2d9cd	
		Thread [16] 5188 [core: 1] (Suspended : Container)	
			pthread_cond_wait@@GLIBC_2.3.2() at pthread_cond_wait.S:185 0x7ffff34cbc84	
			wait() at qwaitcondition_unix.cpp:86 0x7ffff56c2406	
			QWaitCondition::wait() at qwaitcondition_unix.cpp:158 0x7ffff56c2406	
			QSemaphore::acquire() at qsemaphore.cpp:144 0x7ffff56be5eb	
			CachingReaderWorker::run() at cachingreaderworker.cpp:124 0x4cc6f8	
			QThreadPrivate::start() at qthread_unix.cpp:338 0x7ffff56c1f2f	
			start_thread() at pthread_create.c:311 0x7ffff34c7f6e	
			clone() at clone.S:113 0x7ffff1e2d9cd	
		Thread [15] 5187 [core: 3] (Suspended : Container)	
			pthread_cond_wait@@GLIBC_2.3.2() at pthread_cond_wait.S:185 0x7ffff34cbc84	
			wait() at qwaitcondition_unix.cpp:86 0x7ffff56c2406	
			QWaitCondition::wait() at qwaitcondition_unix.cpp:158 0x7ffff56c2406	
			QSemaphore::acquire() at qsemaphore.cpp:144 0x7ffff56be5eb	
			CachingReaderWorker::run() at cachingreaderworker.cpp:124 0x4cc6f8	
			QThreadPrivate::start() at qthread_unix.cpp:338 0x7ffff56c1f2f	
			start_thread() at pthread_create.c:311 0x7ffff34c7f6e	
			clone() at clone.S:113 0x7ffff1e2d9cd	
		Thread [14] 5186 [core: 1] (Suspended : Container)	
			pthread_cond_wait@@GLIBC_2.3.2() at pthread_cond_wait.S:185 0x7ffff34cbc84	
			wait() at qwaitcondition_unix.cpp:86 0x7ffff56c2406	
			QWaitCondition::wait() at qwaitcondition_unix.cpp:158 0x7ffff56c2406	
			QSemaphore::acquire() at qsemaphore.cpp:144 0x7ffff56be5eb	
			CachingReaderWorker::run() at cachingreaderworker.cpp:124 0x4cc6f8	
			QThreadPrivate::start() at qthread_unix.cpp:338 0x7ffff56c1f2f	
			start_thread() at pthread_create.c:311 0x7ffff34c7f6e	
			clone() at clone.S:113 0x7ffff1e2d9cd	
		Thread [13] 5185 [core: 3] (Suspended : Container)	
			pthread_cond_wait@@GLIBC_2.3.2() at pthread_cond_wait.S:185 0x7ffff34cbc84	
			wait() at qwaitcondition_unix.cpp:86 0x7ffff56c2406	
			QWaitCondition::wait() at qwaitcondition_unix.cpp:158 0x7ffff56c2406	
			VinylControlProcessor::run() at vinylcontrolprocessor.cpp:130 0x9717c1	
			QThreadPrivate::start() at qthread_unix.cpp:338 0x7ffff56c1f2f	
			start_thread() at pthread_create.c:311 0x7ffff34c7f6e	
			clone() at clone.S:113 0x7ffff1e2d9cd	
		Thread [7] 5179 [core: 0] (Suspended : Container)	
			pthread_cond_wait@@GLIBC_2.3.2() at pthread_cond_wait.S:185 0x7ffff34cbc84	
			wait() at qwaitcondition_unix.cpp:86 0x7ffff56c2406	
			QWaitCondition::wait() at qwaitcondition_unix.cpp:158 0x7ffff56c2406	
			EngineSideChain::run() at enginesidechain.cpp:93 0x71068f	
			QThreadPrivate::start() at qthread_unix.cpp:338 0x7ffff56c1f2f	
			start_thread() at pthread_create.c:311 0x7ffff34c7f6e	
			clone() at clone.S:113 0x7ffff1e2d9cd	
		Thread [6] 5178 [core: 1] (Suspended : Container)	
			pthread_cond_wait@@GLIBC_2.3.2() at pthread_cond_wait.S:185 0x7ffff34cbc84	
			wait() at qwaitcondition_unix.cpp:86 0x7ffff56c2406	
			QWaitCondition::wait() at qwaitcondition_unix.cpp:158 0x7ffff56c2406	
			EngineWorkerScheduler::run() at engineworkerscheduler.cpp:43 0x6f3c46	
			QThreadPrivate::start() at qthread_unix.cpp:338 0x7ffff56c1f2f	
			start_thread() at pthread_create.c:311 0x7ffff34c7f6e	
			clone() at clone.S:113 0x7ffff1e2d9cd	
		Thread [5] 5177 [core: 0] (Suspended : Container)	
			pthread_cond_wait@@GLIBC_2.3.2() at pthread_cond_wait.S:185 0x7ffff34cbc84	
			wait() at qwaitcondition_unix.cpp:86 0x7ffff56c2406	
			QWaitCondition::wait() at qwaitcondition_unix.cpp:158 0x7ffff56c2406	
			StatsManager::run() at statsmanager.cpp:97 0x956efa	
			QThreadPrivate::start() at qthread_unix.cpp:338 0x7ffff56c1f2f	
			start_thread() at pthread_create.c:311 0x7ffff34c7f6e	
			clone() at clone.S:113 0x7ffff1e2d9cd	
		Thread [3] 5174 [core: 3] (Suspended : Container)	
			poll() at syscall-template.S:81 0x7ffff1e20f7d	
			0x7ffff064e6a4	
			g_main_context_iteration() at 0x7ffff064e7ac	
			0x7ffff064e7f9	
			0x7ffff06730f5	
			start_thread() at pthread_create.c:311 0x7ffff34c7f6e	
			clone() at clone.S:113 0x7ffff1e2d9cd	
		Thread [2] 5173 [core: 0] (Suspended : Container)	
			poll() at syscall-template.S:81 0x7ffff1e20f7d	
			0x7ffff064e6a4	
			g_main_loop_run() at 0x7ffff064eb0a	
			0x7fffe7bf9b66	
			0x7ffff06730f5	
			start_thread() at pthread_create.c:311 0x7ffff34c7f6e	
			clone() at clone.S:113 0x7ffff1e2d9cd	
		Thread [1] 5166 [core: 1] (Suspended : Signal : SIGINT:Interrupt)	
			__libc_recv() at recv.c:33 0x7ffff34cf067	
			0x7fffeeae930f	
			0x7fffeeae9808	
			0x7ffff2954bf8	
			0x7ffff2954d3e	
			_XEventsQueued() at 0x7ffff295501d	
			XEventsQueued() at 0x7ffff294712b	
			x11EventSourcePrepare() at qguieventdispatcher_glib.cpp:77 0x7ffff67c14a7	
			g_main_context_prepare() at 0x7ffff064dd4d	
			0x7ffff064e5c3	
			<...more frames...>	
	gdb

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Commented by: daschuer
Date: 2014-01-15T20:10:28Z

<...more frames...> is:

QEventDispatcherGlib::processEvents() at qeventdispatcher_glib.cpp:424 0x7ffff57eea55
QGuiEventDispatcherGlib::processEvents() at qguieventdispatcher_glib.cpp:204 0x7ffff67c19d6
QEventLoop::processEvents() at qeventloop.cpp:149 0x7ffff57c05ef
QEventLoop::exec() at qeventloop.cpp:204 0x7ffff57c08e5
QCoreApplication::exec() at qcoreapplication.cpp:1.218 0x7ffff57c5e5b
QApplication::exec() at qapplication.cpp:3.828 0x7ffff671e34c
main() at main.cpp:343 0x46fa9b

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Commented by: rryan
Date: 2014-01-15T20:12:15Z

Did you re-enable vinyl control when you tried to repro? That message is only written when VC is enabled and VC defaults off when you boot up.

That would print if the FIFO fills up and the manager is not running its timer to read from the signal quality FIFO. So maybe there is disagreement between the Processor and the Manager on whether signal quality reporting is needed.

Not sure if the segfault is related but it seems to be related to timers so maybe this is somehow related to the manager's timer callback?

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Commented by: rryan
Date: 2014-01-15T20:19:11Z

Which VC inputs are enabled and which VC inputs have devices assigned?

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Commented by: daschuer
Date: 2014-01-15T22:26:52Z

It is only VC 1 configured. Channel 1 - 2
Vinyl control is off for both decks.

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Commented by: rryan
Date: 2014-03-29T22:41:46Z

More details on Bug #⁠1297657.

@mixxxbot mixxxbot transferred this issue from another repository Aug 24, 2022
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