Bug 299693

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:
Start up PC, Login, after Desktop appears message appear saying KMix has crashed. Failure is reproducable.

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 0x7f6a8e6d3780 (LWP 4166))]

Thread 3 (Thread 0x7f6a6ec9f700 (LWP 4210)):
#0  0x00007fff965ff93c in ?? ()
#1  0x00007f6a8470f15d in __GI_clock_gettime (clock_id=<optimized out>, tp=<optimized out>) at ../sysdeps/unix/clock_gettime.c:116
#2  0x00007f6a8ac56bb4 in do_gettime (frac=0x7f6a6ec9eb98, sec=0x7f6a6ec9eb90) at tools/qelapsedtimer_unix.cpp:123
#3  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#4  0x00007f6a8ad2eb8d in QTimerInfoList::updateCurrentTime (this=0x7f6a68002860) at kernel/qeventdispatcher_unix.cpp:343
#5  0x00007f6a8ad2eec3 in QTimerInfoList::timerWait (this=0x7f6a68002860, tm=...) at kernel/qeventdispatcher_unix.cpp:450
#6  0x00007f6a8ad2d97c in timerSourcePrepareHelper (src=<optimized out>, timeout=0x7f6a6ec9ec6c) at kernel/qeventdispatcher_glib.cpp:136
#7  0x00007f6a8ad2da25 in timerSourcePrepare (source=<optimized out>, timeout=<optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#8  0x00007f6a83db371e in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007f6a83db3f1b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007f6a83db4124 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007f6a8ad2e426 in QEventDispatcherGlib::processEvents (this=0x7f6a680008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#12 0x00007f6a8acfdc82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#13 0x00007f6a8acfded7 in QEventLoop::exec (this=0x7f6a6ec9edd0, flags=...) at kernel/qeventloop.cpp:204
#14 0x00007f6a8abfcfa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#15 0x00007f6a8acdd9ff in QInotifyFileSystemWatcherEngine::run (this=0x2947070) at io/qfilesystemwatcher_inotify.cpp:248
#16 0x00007f6a8abfffcb in QThreadPrivate::start (arg=0x2947070) at thread/qthread_unix.cpp:298
#17 0x00007f6a8491ae9a in start_thread (arg=0x7f6a6ec9f700) at pthread_create.c:308
#18 0x00007f6a8dfb34bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#19 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f6a6e292700 (LWP 4228)):
#0  0x00007f6a8dfa7b03 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f6a83db3ff6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6a83db4124 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6a8ad2e426 in QEventDispatcherGlib::processEvents (this=0x7f6a5c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f6a8acfdc82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f6a8acfded7 in QEventLoop::exec (this=0x7f6a6e291dd0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f6a8abfcfa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007f6a8acdd9ff in QInotifyFileSystemWatcherEngine::run (this=0x2752ba0) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f6a8abfffcb in QThreadPrivate::start (arg=0x2752ba0) at thread/qthread_unix.cpp:298
#9  0x00007f6a8491ae9a in start_thread (arg=0x7f6a6e292700) at pthread_create.c:308
#10 0x00007f6a8dfb34bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f6a8e6d3780 (LWP 4166)):
[KCrash Handler]
#6  0x00007f6a8e2d3e23 in MDWSlider::update (this=0x29291a0) at ../../kmix/gui/mdwslider.cpp:1001
#7  0x00007f6a8e2cf64b in ViewDockAreaPopup::refreshVolumeLevels (this=<optimized out>) at ../../kmix/gui/viewdockareapopup.cpp:168
#8  0x00007f6a8ad13281 in QMetaObject::activate (sender=0x28046b0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3547
#9  0x00007f6a8ad13281 in QMetaObject::activate (sender=0x28bc060, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3547
#10 0x00007f6a8e2a8b0c in Mixer_Backend::readSetFromHW (this=0x28bc060) at ../../kmix/backends/mixer_backend.cpp:155
#11 0x00007f6a8e2b8df5 in sink_cb (c=<optimized out>, i=<optimized out>, eol=<optimized out>) at ../../kmix/backends/mixer_pulse.cpp:191
#12 0x00007f6a8c690944 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#13 0x00007f6a842d2693 in ?? () from /usr/lib/x86_64-linux-gnu/libpulsecommon-1.1.so
#14 0x00007f6a842d2a03 in pa_pdispatch_run () from /usr/lib/x86_64-linux-gnu/libpulsecommon-1.1.so
#15 0x00007f6a8c686bdd in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#16 0x00007f6a842d72a9 in ?? () from /usr/lib/x86_64-linux-gnu/libpulsecommon-1.1.so
#17 0x00007f6a8c474ab3 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse-mainloop-glib.so.0
#18 0x00007f6a83db3c9a in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#19 0x00007f6a83db4060 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007f6a83db4124 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007f6a8ad2e3bf in QEventDispatcherGlib::processEvents (this=0x25c8ad0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#22 0x00007f6a8ba18d5e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#23 0x00007f6a8acfdc82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#24 0x00007f6a8acfded7 in QEventLoop::exec (this=0x7fff9656d1e0, flags=...) at kernel/qeventloop.cpp:204
#25 0x00007f6a8ad02f67 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#26 0x00007f6a8e2c03e2 in kdemain (argc=1, argv=0x7fff9656d768) at ../../kmix/apps/main.cpp:76
#27 0x00007f6a8dee276d in __libc_start_main (main=0x400630 <main(int, char**)>, argc=1, ubp_av=0x7fff9656d768, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff9656d758) at libc-start.c:226
#28 0x0000000000400661 in _start ()

This bug may be a duplicate of or related to bug 299650.

Possible duplicates by query: bug 299659, bug 299650, bug 299613, bug 299592, bug 299568.

Reported using DrKonqi