Bug 298492

Application: kmix (4)
KDE Platform Version: 4.8.2 (4.8.2)
Qt Version: 4.8.1
Operating System: Linux 3.2.0-23-generic i686
Distribution: Ubuntu 12.04 LTS

-- Information about the crash:
- What I was doing when the application crashed:

This happens quite often usually when opening and closing different programs. I struggle to reproduce the bug specifically but it does happen from time to time. Restart of KMix always works.

Hope this helps. You guys amarok :)

The crash can be reproduced some of the time.

-- Backtrace:
Application: KMix (kmix), signal: Segmentation fault
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0xb7779740 (LWP 2105))]

Thread 3 (Thread 0xb08c3b40 (LWP 2108)):
#0  0x038510a5 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#1  0x03851388 in g_mutex_lock () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0x03811f45 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x038121c1 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x0136c8e7 in QEventDispatcherGlib::processEvents (this=0xaff00468, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#5  0x0133850d in QEventLoop::processEvents (this=0xb08c3240, flags=...) at kernel/qeventloop.cpp:149
#6  0x013387a9 in QEventLoop::exec (this=0xb08c3240, flags=...) at kernel/qeventloop.cpp:204
#7  0x0122194c in QThread::exec (this=0x9b69a28) at thread/qthread.cpp:501
#8  0x01315b5d in QInotifyFileSystemWatcherEngine::run (this=0x9b69a28) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x01224de0 in QThreadPrivate::start (arg=0x9b69a28) at thread/qthread_unix.cpp:298
#10 0x05b69d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#11 0x0023face in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 2 (Thread 0xabefeb40 (LWP 2140)):
#0  0x005a7416 in __kernel_vsyscall ()
#1  0x0022f17b in read () from /lib/i386-linux-gnu/libc.so.6
#2  0x0385066e in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x03811af0 in g_main_context_check () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x03812002 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0x038121c1 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#6  0x0136c8e7 in QEventDispatcherGlib::processEvents (this=0xab500468, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#7  0x0133850d in QEventLoop::processEvents (this=0xabefe240, flags=...) at kernel/qeventloop.cpp:149
#8  0x013387a9 in QEventLoop::exec (this=0xabefe240, flags=...) at kernel/qeventloop.cpp:204
#9  0x0122194c in QThread::exec (this=0x9bd7010) at thread/qthread.cpp:501
#10 0x01315b5d in QInotifyFileSystemWatcherEngine::run (this=0x9bd7010) at io/qfilesystemwatcher_inotify.cpp:248
#11 0x01224de0 in QThreadPrivate::start (arg=0x9bd7010) at thread/qthread_unix.cpp:298
#12 0x05b69d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#13 0x0023face in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 1 (Thread 0xb7779740 (LWP 2105)):
[KCrash Handler]
#7  0x00000006 in ?? ()
#8  0x00797f78 in MDWSlider::update (this=0x9bbeda8) at ../../kmix/gui/mdwslider.cpp:1001
#9  0x00792c23 in ViewDockAreaPopup::refreshVolumeLevels (this=0x9bbe640) at ../../kmix/gui/viewdockareapopup.cpp:168
#10 0x0078f913 in qt_static_metacall (_a=0xbf9e4a40, _id=3, _o=0x9bbe640, _c=<optimized out>) at ./viewbase.moc:64
#11 ViewBase::qt_static_metacall (_o=0x9bbe640, _c=QMetaObject::InvokeMetaMethod, _id=3, _a=0xbf9e4a40) at ./viewbase.moc:55
#12 0x013506b1 in QMetaObject::activate (sender=0x9a7f9c8, m=0x7d3d48, local_signal_index=1, argv=0x0) at kernel/qobject.cpp:3547
#13 0x007b2c75 in Mixer::controlChanged (this=0x9a7f9c8) at ./mixer.moc:117
#14 0x013506b1 in QMetaObject::activate (sender=0x9b74d78, m=0x7d1c44, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3547
#15 0x00767ea5 in Mixer_Backend::controlChanged (this=0x9b74d78) at ./mixer_backend.moc:107
#16 0x007681a8 in Mixer_Backend::readSetFromHW (this=0x9b74d78) at ../../kmix/backends/mixer_backend.cpp:155
#17 0x0077512a in Mixer_PULSE::triggerUpdate (this=0x9b74d78) at ../../kmix/backends/mixer_pulse.cpp:1286
#18 0x0077947d in sink_cb (c=0x9a4e3d8, i=0x0, eol=1) at ../../kmix/backends/mixer_pulse.cpp:191
#19 0x003f3b45 in ?? () from /usr/lib/i386-linux-gnu/libpulse.so.0
#20 0x048f4eed in ?? () from /usr/lib/i386-linux-gnu/libpulsecommon-1.1.so
#21 0x048f52f0 in pa_pdispatch_run () from /usr/lib/i386-linux-gnu/libpulsecommon-1.1.so
#22 0x003e7a1d in ?? () from /usr/lib/i386-linux-gnu/libpulse.so.0
#23 0x048fa8c3 in ?? () from /usr/lib/i386-linux-gnu/libpulsecommon-1.1.so
#24 0x048e4c28 in ?? () from /usr/lib/i386-linux-gnu/libpulsecommon-1.1.so
#25 0x00628a3a in ?? () from /usr/lib/i386-linux-gnu/libpulse-mainloop-glib.so.0
#26 0x03811cda in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#27 0x038120e5 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#28 0x038121c1 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#29 0x0136c887 in QEventDispatcherGlib::processEvents (this=0x988dea0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#30 0x08b2faaa in QGuiEventDispatcherGlib::processEvents (this=0x988dea0, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#31 0x0133850d in QEventLoop::processEvents (this=0xbf9e5574, flags=...) at kernel/qeventloop.cpp:149
#32 0x013387a9 in QEventLoop::exec (this=0xbf9e5574, flags=...) at kernel/qeventloop.cpp:204
#33 0x0133deba in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#34 0x08a74a74 in QApplication::exec () at kernel/qapplication.cpp:3820
#35 0x0078179b in kdemain (argc=1, argv=0xbf9e57d4) at ../../kmix/apps/main.cpp:76
#36 0x0804850b in main (argc=1, argv=0xbf9e57d4) at kmix_dummy.cpp:3

Possible duplicates by query: bug 298269, bug 298156, bug 297751, bug 297574, bug 296886.

Reported using DrKonqi