Bug 299450

Application: kmix (4)
KDE Platform Version: 4.8.2 (4.8.2)
Qt Version: 4.8.1
Operating System: Linux 3.2.0-24-generic x86_64
Distribution: Ubuntu 12.04 LTS

-- Information about the crash:
- What I was doing when the application crashed: make my desktop as a cube and after that i closed my lid then i open the lid and the bug report appear.
beside my widgets doesn't appear on my desktop

The crash can be reproduced some of the time.

-- 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 0x7fd660d88780 (LWP 1798))]

Thread 3 (Thread 0x7fd640929700 (LWP 1802)):
#0  0x00007fd656fc603c in __pthread_mutex_unlock_usercnt (mutex=<optimized out>, decr=<optimized out>) at pthread_mutex_unlock.c:37
#1  __pthread_mutex_unlock (mutex=0x7fd63c000a60) at pthread_mutex_unlock.c:290
#2  0x00007fd656497591 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd65645b713 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fd65645bf1b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fd65645c124 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007fd65d3d6426 in QEventDispatcherGlib::processEvents (this=0x7fd63c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#7  0x00007fd65d3a5c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#8  0x00007fd65d3a5ed7 in QEventLoop::exec (this=0x7fd640928dd0, flags=...) at kernel/qeventloop.cpp:204
#9  0x00007fd65d2a4fa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#10 0x00007fd65d3859ff in QInotifyFileSystemWatcherEngine::run (this=0x2002290) at io/qfilesystemwatcher_inotify.cpp:248
#11 0x00007fd65d2a7fcb in QThreadPrivate::start (arg=0x2002290) at thread/qthread_unix.cpp:298
#12 0x00007fd656fc2e9a in start_thread (arg=0x7fd640929700) at pthread_create.c:308
#13 0x00007fd66065b4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#14 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fd637df2700 (LWP 1803)):
#0  0x00007fd66064fb03 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fd65645bff6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd65645c124 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd65d3d6426 in QEventDispatcherGlib::processEvents (this=0x7fd6300008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007fd65d3a5c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fd65d3a5ed7 in QEventLoop::exec (this=0x7fd637df1dd0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007fd65d2a4fa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007fd65d3859ff in QInotifyFileSystemWatcherEngine::run (this=0x1e23f10) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007fd65d2a7fcb in QThreadPrivate::start (arg=0x1e23f10) at thread/qthread_unix.cpp:298
#9  0x00007fd656fc2e9a in start_thread (arg=0x7fd637df2700) at pthread_create.c:308
#10 0x00007fd66065b4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fd660d88780 (LWP 1798)):
[KCrash Handler]
#6  0x0000000002091270 in ?? ()
#7  0x00007fd66097be26 in MDWSlider::update (this=0x20ae760) at ../../kmix/gui/mdwslider.cpp:1001
#8  0x00007fd66097764b in ViewDockAreaPopup::refreshVolumeLevels (this=<optimized out>) at ../../kmix/gui/viewdockareapopup.cpp:168
#9  0x00007fd65d3bb281 in QMetaObject::activate (sender=0x2024ab0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3547
#10 0x00007fd65d3bb281 in QMetaObject::activate (sender=0x201a0f0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3547
#11 0x00007fd660950b0c in Mixer_Backend::readSetFromHW (this=0x201a0f0) at ../../kmix/backends/mixer_backend.cpp:155
#12 0x00007fd660960df5 in sink_cb (c=<optimized out>, i=<optimized out>, eol=<optimized out>) at ../../kmix/backends/mixer_pulse.cpp:191
#13 0x00007fd65ed38944 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#14 0x00007fd65697a693 in ?? () from /usr/lib/x86_64-linux-gnu/libpulsecommon-1.1.so
#15 0x00007fd65697aa03 in pa_pdispatch_run () from /usr/lib/x86_64-linux-gnu/libpulsecommon-1.1.so
#16 0x00007fd65ed2ebdd in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#17 0x00007fd65697f2a9 in ?? () from /usr/lib/x86_64-linux-gnu/libpulsecommon-1.1.so
#18 0x00007fd65eb1cab3 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse-mainloop-glib.so.0
#19 0x00007fd65645bc9a in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007fd65645c060 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007fd65645c124 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007fd65d3d63bf in QEventDispatcherGlib::processEvents (this=0x1c4eeb0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#23 0x00007fd65e0c0d5e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#24 0x00007fd65d3a5c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#25 0x00007fd65d3a5ed7 in QEventLoop::exec (this=0x7fff59cbc3b0, flags=...) at kernel/qeventloop.cpp:204
#26 0x00007fd65d3aaf67 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#27 0x00007fd6609683e2 in kdemain (argc=3, argv=0x7fff59cbc938) at ../../kmix/apps/main.cpp:76
#28 0x00007fd66058a76d in __libc_start_main (main=0x400630 <main(int, char**)>, argc=3, ubp_av=0x7fff59cbc938, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff59cbc928) at libc-start.c:226
#29 0x0000000000400661 in _start ()

Possible duplicates by query: bug 299425, bug 299412, bug 299405, bug 299399, bug 299361.

Reported using DrKonqi