Bug 296568

Application: kmix (4)
KDE Platform Version: 4.8.1 (4.8.1)
Qt Version: 4.8.0
Operating System: Linux 3.3.0-030300-generic x86_64
Distribution: Ubuntu precise (development branch)

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

Just after login in to the newly resumed laptop kmix crashed. Amarok was started, but not playing ( currently paused ).

This is on ubuntu-precise 64-bit, with mainline-3.3.0 kernel.

-- Backtrace:
Application: KMix (kmix), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f4c29034780 (LWP 2581))]

Thread 3 (Thread 0x7f4c08ffc700 (LWP 2602)):
#0  __pthread_mutex_unlock_usercnt (mutex=<optimized out>, decr=<optimized out>) at pthread_mutex_unlock.c:49
#1  __pthread_mutex_unlock (mutex=0x7f4c04000a60) at pthread_mutex_unlock.c:290
#2  0x00007f4c1e7458c1 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f4c1e709803 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f4c1e70a00b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f4c1e70a214 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f4c25685a96 in QEventDispatcherGlib::processEvents (this=0x7f4c040008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#7  0x00007f4c256552f2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#8  0x00007f4c25655547 in QEventLoop::exec (this=0x7f4c08ffbdd0, flags=...) at kernel/qeventloop.cpp:204
#9  0x00007f4c25554f97 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#10 0x00007f4c2563506f in QInotifyFileSystemWatcherEngine::run (this=0x223f000) at io/qfilesystemwatcher_inotify.cpp:248
#11 0x00007f4c25557fbb in QThreadPrivate::start (arg=0x223f000) at thread/qthread_unix.cpp:298
#12 0x00007f4c1f270e9a in start_thread (arg=0x7f4c08ffc700) at pthread_create.c:308
#13 0x00007f4c2890b4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#14 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f4bffffe700 (LWP 2629)):
#0  0x00007f4c288ffb03 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f4c1e70a0e6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f4c1e70a214 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f4c25685a96 in QEventDispatcherGlib::processEvents (this=0x7f4bf80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f4c256552f2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f4c25655547 in QEventLoop::exec (this=0x7f4bffffddd0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f4c25554f97 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007f4c2563506f in QInotifyFileSystemWatcherEngine::run (this=0x2061790) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f4c25557fbb in QThreadPrivate::start (arg=0x2061790) at thread/qthread_unix.cpp:298
#9  0x00007f4c1f270e9a in start_thread (arg=0x7f4bffffe700) at pthread_create.c:308
#10 0x00007f4c2890b4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f4c29034780 (LWP 2581)):
[KCrash Handler]
#6  0x00007f4c28c2be23 in MDWSlider::update (this=0x22e76f0) at ../../kmix/gui/mdwslider.cpp:1001
#7  0x00007f4c28c2764b in ViewDockAreaPopup::refreshVolumeLevels (this=<optimized out>) at ../../kmix/gui/viewdockareapopup.cpp:168
#8  0x00007f4c2566a8f1 in QMetaObject::activate (sender=0x1ec9ae0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3547
#9  0x00007f4c2566a8f1 in QMetaObject::activate (sender=0x227f410, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3547
#10 0x00007f4c28c00b0c in Mixer_Backend::readSetFromHW (this=0x227f410) at ../../kmix/backends/mixer_backend.cpp:155
#11 0x00007f4c28c10df5 in sink_cb (c=<optimized out>, i=<optimized out>, eol=<optimized out>) at ../../kmix/backends/mixer_pulse.cpp:191
#12 0x00007f4c26fe8944 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#13 0x00007f4c1ec28693 in ?? () from /usr/lib/x86_64-linux-gnu/libpulsecommon-1.1.so
#14 0x00007f4c1ec28a03 in pa_pdispatch_run () from /usr/lib/x86_64-linux-gnu/libpulsecommon-1.1.so
#15 0x00007f4c26fdebdd in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#16 0x00007f4c1ec2d2a9 in ?? () from /usr/lib/x86_64-linux-gnu/libpulsecommon-1.1.so
#17 0x00007f4c26dccab3 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse-mainloop-glib.so.0
#18 0x00007f4c1e709d8a in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#19 0x00007f4c1e70a150 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007f4c1e70a214 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007f4c25685a2f in QEventDispatcherGlib::processEvents (this=0x1e7bad0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#22 0x00007f4c26370b1e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#23 0x00007f4c256552f2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#24 0x00007f4c25655547 in QEventLoop::exec (this=0x7fff70ad1cf0, flags=...) at kernel/qeventloop.cpp:204
#25 0x00007f4c2565a5d7 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#26 0x00007f4c28c183e2 in kdemain (argc=1, argv=0x7fff70ad2278) at ../../kmix/apps/main.cpp:76
#27 0x00007f4c2883a76d in __libc_start_main (main=0x400630 <main(int, char**)>, argc=1, ubp_av=0x7fff70ad2278, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff70ad2268) at libc-start.c:226
#28 0x0000000000400661 in _start ()

Possible duplicates by query: bug 296557, bug 296479, bug 296466, bug 296454, bug 296449.

Reported using DrKonqi