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:
I can't say exactly what I was doing.
Kmix crash on a regular basis at least one time per day

The crash can be reproduced every 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 0x7fe3512ba780 (LWP 1758))]

Thread 3 (Thread 0x7fe331280700 (LWP 1787)):
#0  0x00007fff471508de in ?? ()
#1  0x00007fe3472e215d in __GI_clock_gettime (clock_id=<optimized out>, tp=<optimized out>) at ../sysdeps/unix/clock_gettime.c:116
#2  0x00007fe34d829bb4 in do_gettime (frac=0x7fe33127fb98, sec=0x7fe33127fb90) at tools/qelapsedtimer_unix.cpp:123
#3  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#4  0x00007fe34d901b8d in QTimerInfoList::updateCurrentTime (this=0x7fe32c002860) at kernel/qeventdispatcher_unix.cpp:343
#5  0x00007fe34d901ec3 in QTimerInfoList::timerWait (this=0x7fe32c002860, tm=...) at kernel/qeventdispatcher_unix.cpp:450
#6  0x00007fe34d90097c in timerSourcePrepareHelper (src=<optimized out>, timeout=0x7fe33127fc6c) at kernel/qeventdispatcher_glib.cpp:136
#7  0x00007fe34d900a25 in timerSourcePrepare (source=<optimized out>, timeout=<optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#8  0x00007fe34698671e in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007fe346986f1b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007fe346987124 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007fe34d901426 in QEventDispatcherGlib::processEvents (this=0x7fe32c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#12 0x00007fe34d8d0c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#13 0x00007fe34d8d0ed7 in QEventLoop::exec (this=0x7fe33127fdd0, flags=...) at kernel/qeventloop.cpp:204
#14 0x00007fe34d7cffa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#15 0x00007fe34d8b09ff in QInotifyFileSystemWatcherEngine::run (this=0x1ba5c30) at io/qfilesystemwatcher_inotify.cpp:248
#16 0x00007fe34d7d2fcb in QThreadPrivate::start (arg=0x1ba5c30) at thread/qthread_unix.cpp:298
#17 0x00007fe3474ede9a in start_thread (arg=0x7fe331280700) at pthread_create.c:308
#18 0x00007fe350b864bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#19 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fe330873700 (LWP 1832)):
#0  0x00007fff471508de in ?? ()
#1  0x00007fe3472e215d in __GI_clock_gettime (clock_id=<optimized out>, tp=<optimized out>) at ../sysdeps/unix/clock_gettime.c:116
#2  0x00007fe34d829bb4 in do_gettime (frac=0x7fe330872b98, sec=0x7fe330872b90) at tools/qelapsedtimer_unix.cpp:123
#3  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#4  0x00007fe34d901b8d in QTimerInfoList::updateCurrentTime (this=0x7fe320002660) at kernel/qeventdispatcher_unix.cpp:343
#5  0x00007fe34d901ec3 in QTimerInfoList::timerWait (this=0x7fe320002660, tm=...) at kernel/qeventdispatcher_unix.cpp:450
#6  0x00007fe34d90097c in timerSourcePrepareHelper (src=<optimized out>, timeout=0x7fe330872c6c) at kernel/qeventdispatcher_glib.cpp:136
#7  0x00007fe34d900a25 in timerSourcePrepare (source=<optimized out>, timeout=<optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#8  0x00007fe34698671e in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007fe346986f1b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007fe346987124 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007fe34d901426 in QEventDispatcherGlib::processEvents (this=0x7fe3200008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#12 0x00007fe34d8d0c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#13 0x00007fe34d8d0ed7 in QEventLoop::exec (this=0x7fe330872dd0, flags=...) at kernel/qeventloop.cpp:204
#14 0x00007fe34d7cffa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#15 0x00007fe34d8b09ff in QInotifyFileSystemWatcherEngine::run (this=0x19eb1c0) at io/qfilesystemwatcher_inotify.cpp:248
#16 0x00007fe34d7d2fcb in QThreadPrivate::start (arg=0x19eb1c0) at thread/qthread_unix.cpp:298
#17 0x00007fe3474ede9a in start_thread (arg=0x7fe330873700) at pthread_create.c:308
#18 0x00007fe350b864bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#19 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fe3512ba780 (LWP 1758)):
[KCrash Handler]
#6  0x00007fe350ea6e23 in MDWSlider::update (this=0x1c3bea0) at ../../kmix/gui/mdwslider.cpp:1001
#7  0x00007fe350ea264b in ViewDockAreaPopup::refreshVolumeLevels (this=<optimized out>) at ../../kmix/gui/viewdockareapopup.cpp:168
#8  0x00007fe34d8e6281 in QMetaObject::activate (sender=0x1bbe290, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3547
#9  0x00007fe34d8e6281 in QMetaObject::activate (sender=0x1bbf960, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3547
#10 0x00007fe350e7bb0c in Mixer_Backend::readSetFromHW (this=0x1bbf960) at ../../kmix/backends/mixer_backend.cpp:155
#11 0x00007fe350e8bdf5 in sink_cb (c=<optimized out>, i=<optimized out>, eol=<optimized out>) at ../../kmix/backends/mixer_pulse.cpp:191
#12 0x00007fe34f263944 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#13 0x00007fe346ea5693 in ?? () from /usr/lib/x86_64-linux-gnu/libpulsecommon-1.1.so
#14 0x00007fe346ea5a03 in pa_pdispatch_run () from /usr/lib/x86_64-linux-gnu/libpulsecommon-1.1.so
#15 0x00007fe34f259bdd in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#16 0x00007fe346eaa2a9 in ?? () from /usr/lib/x86_64-linux-gnu/libpulsecommon-1.1.so
#17 0x00007fe34f047ab3 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse-mainloop-glib.so.0
#18 0x00007fe346986c9a in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#19 0x00007fe346987060 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007fe346987124 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007fe34d9013bf in QEventDispatcherGlib::processEvents (this=0x1801ad0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#22 0x00007fe34e5ebd5e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#23 0x00007fe34d8d0c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#24 0x00007fe34d8d0ed7 in QEventLoop::exec (this=0x7fff470e6f90, flags=...) at kernel/qeventloop.cpp:204
#25 0x00007fe34d8d5f67 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#26 0x00007fe350e933e2 in kdemain (argc=3, argv=0x7fff470e7518) at ../../kmix/apps/main.cpp:76
#27 0x00007fe350ab576d in __libc_start_main (main=0x400630 <main(int, char**)>, argc=3, ubp_av=0x7fff470e7518, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff470e7508) at libc-start.c:226
#28 0x0000000000400661 in _start ()

This bug may be a duplicate of or related to bug 290742.

Possible duplicates by query: bug 300391, bug 300374, bug 300324, bug 300310, bug 300302.

Reported using DrKonqi