Hi RJ,
(CCing mixxx-devel in case anyone wants to help.)
Played around with the looping branch a bit and hit some problems:
1) I managed to lock up the Reader by clicking a waveform, and dragging
it back to the start to rewind the track. There were no loops set. This
was using vinyl emulation as well.
2) I deadlocked Mixxx by changing from vinyl emu to PITS in the
preferences, and clicking OK. I didn't get a backtrace from this one.
3) I did manage to deadlock Mixxx another time though, just randomly. My
gut feeling is that #2 is really the same deadlock as this one.
Backtrace is:
Program received signal SIGTSTP, Stopped (user).
[Switching to Thread 0xb62316c0 (LWP 22259)]
0xb80b342e in __kernel_vsyscall ()
(gdb) bt
#0 0xb80b342e in __kernel_vsyscall ()
#1 0xb68d4167 in poll () from /lib/tls/i686/cmov/libc.so.6
#2 0xb6502c52 in ?? () from /usr/lib/libglib-2.0.so.0
#3 0xb6502f81 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#4 0xb6cf5958 in QEventDispatcherGlib::processEvents () from
/usr/share/qt4/lib/libQtCore.so.4
#5 0xb70cdde5 in ?? () from /usr/share/qt4/lib/libQtGui.so.4
#6 0xb6cc877d in QEventLoop::processEvents () from
/usr/share/qt4/lib/libQtCore.so.4
#7 0xb6cc89fa in QEventLoop::exec () from /usr/share/qt4/lib/libQtCore.so.4
#8 0xb6ccab71 in QCoreApplication::exec () from
/usr/share/qt4/lib/libQtCore.so.4
#9 0xb7031717 in QApplication::exec () from /usr/share/qt4/lib/libQtGui.so.4
#10 0x080f3844 in main (argc=1, argv=0xbfab5054) at src/main.cpp:307
(gdb) thread apply all bt
Thread 40 (Thread 0xa7ffbb90 (LWP 22316)):
#0 0x080eb910 in ReadAheadManager::getNextSamples (this=0x99864a0, dRate=1,
buffer=0xb2f1cb48, requested_samples=304)
at src/engine/readaheadmanager.cpp:68
#1 0x080d284a in EngineBufferScaleDummy::scale (this=0x996d948, playpos=0,
buf_size=4096, pBase=0x0, iBaseLength=0)
at src/engine/enginebufferscaledummy.cpp:62
#2 0x080cd5ff in EngineBuffer::process (this=0x9986e80, pOut=0xb13b9008,
iBufferSize=4096) at src/engine/enginebuffer.cpp:461
#3 0x080da041 in EngineMaster::process (this=0xb26074e0, pOut=0x0,
iBufferSize=4096) at src/engine/enginemaster.cpp:177
#4 0x08183832 in SoundManager::requestBuffer (this=0xb2615720, srcs=
{{p = {static shared_null = {ref = {_q_value = 39978}, alloc = 0, begin
= 0, end = 0, sharable = 1, array = {0x0}}, d = 0xa7ffb0d0}, d = 0xa7ffb0d0}},
iFramesPerBuffer=2048) at src/soundmanager.cpp:498
#5 0x0818af54 in SoundDevicePortAudio::callbackProcess (this=0xb2636498,
framesPerBuffer=2048, output=0xac5fbf98, in=0x0, devIndex=0)
at src/sounddeviceportaudio.cpp:325
#6 0x0818b0ea in paV19Callback (inputBuffer=0x0, outputBuffer=0xac5fbf98,
framesPerBuffer=2048, timeInfo=0xa7ffb368, statusFlags=0,
_callbackStuff=0xb26364d8) at src/sounddeviceportaudio.cpp:384
#7 0xb6a9f53f in ?? () from /usr/lib/libportaudio.so.2
#8 0xb6aa05fd in ?? () from /usr/lib/libportaudio.so.2
#9 0xb6aaefe8 in ?? () from /usr/lib/libportaudio.so.2
#10 0xb6a8550f in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#11 0xb68dea0e in clone () from /lib/tls/i686/cmov/libc.so.6
Thread 39 (Thread 0xa87fcb90 (LWP 22315)):
#0 0xb80b3430 in __kernel_vsyscall ()
#1 0xb6a89075 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib/tls/i686/cmov/libpthread.so.0
#2 0xb6bd73a6 in QWaitCondition::wait () from /usr/share/qt4/lib/libQtCore.so.4
#3 0x081c6a97 in VinylControlXwax::run (this=0xad091130) at
src/vinylcontrolxwax.cpp:152
#4 0xb6bd6872 in ?? () from /usr/share/qt4/lib/libQtCore.so.4
#5 0xb6a8550f in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#6 0xb68dea0e in clone () from /lib/tls/i686/cmov/libc.so.6
Thread 38 (Thread 0xabcffb90 (LWP 22314)):
#0 0xb80b3430 in __kernel_vsyscall ()
#1 0xb6a89075 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib/tls/i686/cmov/libpthread.so.0
#2 0xb6bd73a6 in QWaitCondition::wait () from /usr/share/qt4/lib/libQtCore.so.4
#3 0x081c6a97 in VinylControlXwax::run (this=0xa3110e0) at
src/vinylcontrolxwax.cpp:152
#4 0xb6bd6872 in ?? () from /usr/share/qt4/lib/libQtCore.so.4
#5 0xb6a8550f in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#6 0xb68dea0e in clone () from /lib/tls/i686/cmov/libc.so.6
Thread 13 (Thread 0xaacfdb90 (LWP 22283)):
#0 0xb80b3430 in __kernel_vsyscall ()
#1 0xb68d4167 in poll () from /lib/tls/i686/cmov/libc.so.6
#2 0xb6502c52 in ?? () from /usr/lib/libglib-2.0.so.0
#3 0xb6502f81 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
---Type <return> to continue, or q <return> to quit---
#4 0xb6cf5958 in QEventDispatcherGlib::processEvents () from
/usr/share/qt4/lib/libQtCore.so.4
#5 0xb6cc877d in QEventLoop::processEvents () from
/usr/share/qt4/lib/libQtCore.so.4
#6 0xb6cc89fa in QEventLoop::exec () from /usr/share/qt4/lib/libQtCore.so.4
#7 0xb6bd3159 in QThread::exec () from /usr/share/qt4/lib/libQtCore.so.4
#8 0x081da920 in MidiScriptEngine::run (this=0x99e5990) at
src/script/midiscriptengine.cpp:118
#9 0xb6bd6872 in ?? () from /usr/share/qt4/lib/libQtCore.so.4
#10 0xb6a8550f in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#11 0xb68dea0e in clone () from /lib/tls/i686/cmov/libc.so.6
Thread 12 (Thread 0xab4feb90 (LWP 22282)):
#0 0xb80b3430 in __kernel_vsyscall ()
#1 0xb68d4167 in poll () from /lib/tls/i686/cmov/libc.so.6
#2 0x081dd760 in MidiObjectALSASeq::run (this=0x99f7898) at
src/midiobjectalsaseq.cpp:318
#3 0xb6bd6872 in ?? () from /usr/share/qt4/lib/libQtCore.so.4
#4 0xb6a8550f in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#5 0xb68dea0e in clone () from /lib/tls/i686/cmov/libc.so.6
Thread 10 (Thread 0xae0bdb90 (LWP 22280)):
#0 0xb80b3430 in __kernel_vsyscall ()
#1 0xb6a89075 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib/tls/i686/cmov/libpthread.so.0
#2 0xb6bd73a6 in QWaitCondition::wait () from /usr/share/qt4/lib/libQtCore.so.4
#3 0x080f0796 in AnalyserQueue::dequeueNextBlocking (this=0x9e470a8) at
src/analyserqueue.cpp:32
#4 0x080f08ed in AnalyserQueue::run (this=0x9e470a8) at
src/analyserqueue.cpp:99
#5 0xb6bd6872 in ?? () from /usr/share/qt4/lib/libQtCore.so.4
#6 0xb6a8550f in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#7 0xb68dea0e in clone () from /lib/tls/i686/cmov/libc.so.6
Thread 9 (Thread 0xb0606b90 (LWP 22277)):
#0 0xb80b3430 in __kernel_vsyscall ()
#1 0xb6a89075 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib/tls/i686/cmov/libpthread.so.0
#2 0xb646e63e in mb_thread_func (arg=0x0) at messagebuffer.c:70
#3 0xb6a8550f in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#4 0xb68dea0e in clone () from /lib/tls/i686/cmov/libc.so.6
Thread 4 (Thread 0xb115fb90 (LWP 22264)):
#0 0xb80b3430 in __kernel_vsyscall ()
#1 0xb6a89075 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib/tls/i686/cmov/libpthread.so.0
#2 0xb6bd73a6 in QWaitCondition::wait () from /usr/share/qt4/lib/libQtCore.so.4
#3 0x080e14f3 in EngineSideChain::run (this=0xb26141c0) at
src/engine/enginesidechain.cpp:151
#4 0xb6bd6872 in ?? () from /usr/share/qt4/lib/libQtCore.so.4
#5 0xb6a8550f in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#6 0xb68dea0e in clone () from /lib/tls/i686/cmov/libc.so.6
Thread 3 (Thread 0xb2004b90 (LWP 22263)):
---Type <return> to continue, or q <return> to quit---
#0 0xb80b3430 in __kernel_vsyscall ()
#1 0xb6a89075 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib/tls/i686/cmov/libpthread.so.0
#2 0xb6bd73a6 in QWaitCondition::wait () from /usr/share/qt4/lib/libQtCore.so.4
#3 0x080ecb1e in CachingReader::run (this=0x9981218) at
src/cachingreader.cpp:334
#4 0xb6bd6872 in ?? () from /usr/share/qt4/lib/libQtCore.so.4
#5 0xb6a8550f in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#6 0xb68dea0e in clone () from /lib/tls/i686/cmov/libc.so.6
Thread 2 (Thread 0xb2f18b90 (LWP 22262)):
#0 0xb80b3430 in __kernel_vsyscall ()
#1 0xb6a89075 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib/tls/i686/cmov/libpthread.so.0
#2 0xb6bd73a6 in QWaitCondition::wait () from /usr/share/qt4/lib/libQtCore.so.4
#3 0x080ecb1e in CachingReader::run (this=0x9998af0) at
src/cachingreader.cpp:334
#4 0xb6bd6872 in ?? () from /usr/share/qt4/lib/libQtCore.so.4
#5 0xb6a8550f in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#6 0xb68dea0e in clone () from /lib/tls/i686/cmov/libc.so.6
Thread 1 (Thread 0xb62316c0 (LWP 22259)):
#0 0xb80b342e in __kernel_vsyscall ()
#1 0xb68d4167 in poll () from /lib/tls/i686/cmov/libc.so.6
#2 0xb6502c52 in ?? () from /usr/lib/libglib-2.0.so.0
#3 0xb6502f81 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#4 0xb6cf5958 in QEventDispatcherGlib::processEvents () from
/usr/share/qt4/lib/libQtCore.so.4
#5 0xb70cdde5 in ?? () from /usr/share/qt4/lib/libQtGui.so.4
#6 0xb6cc877d in QEventLoop::processEvents () from
/usr/share/qt4/lib/libQtCore.so.4
#7 0xb6cc89fa in QEventLoop::exec () from /usr/share/qt4/lib/libQtCore.so.4
#8 0xb6ccab71 in QCoreApplication::exec () from
/usr/share/qt4/lib/libQtCore.so.4
#9 0xb7031717 in QApplication::exec () from /usr/share/qt4/lib/libQtGui.so.4
#10 0x080f3844 in main (argc=1, argv=0xbfab5054) at src/main.cpp:307
(gdb)
Other than that, looking pretty good!
Thanks,
Albert
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