Bug 296479

Application: kmix (4)
KDE Platform Version: 4.8.1 (4.8.1)
Qt Version: 4.8.0
Operating System: Linux 3.2.0-19-generic x86_64
Distribution: Ubuntu precise (development branch)

-- Information about the crash:
crashes on boot after updates

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 0x7f1ca6676780 (LWP 2747))]

Thread 3 (Thread 0x7f1c86648700 (LWP 2750)):
#0  0x00007f1c9c8bef69 in __pthread_mutex_lock (mutex=0x7f1c80000a60) at pthread_mutex_lock.c:92
#1  0x00007f1c9bd91891 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1c9bd55819 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1c9bd5600b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f1c9bd56214 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f1ca2cd1a96 in QEventDispatcherGlib::processEvents (this=0x7f1c800008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007f1ca2ca12f2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f1ca2ca1547 in QEventLoop::exec (this=0x7f1c86647dd0, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f1ca2ba0f97 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#9  0x00007f1ca2c8106f in QInotifyFileSystemWatcherEngine::run (this=0x159f6a0) at io/qfilesystemwatcher_inotify.cpp:248
#10 0x00007f1ca2ba3fbb in QThreadPrivate::start (arg=0x159f6a0) at thread/qthread_unix.cpp:298
#11 0x00007f1c9c8bce9a in start_thread (arg=0x7f1c86648700) at pthread_create.c:308
#12 0x00007f1ca5f5574d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#13 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f1c85c3c700 (LWP 2756)):
#0  __libc_enable_asynccancel () at ../nptl/sysdeps/unix/sysv/linux/x86_64/cancellation.S:66
#1  0x00007f1ca5f48342 in read () at ../sysdeps/unix/syscall-template.S:82
#2  0x00007f1c9bd90bbf in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1c9bd55bad in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f1c9bd56086 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f1c9bd56214 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f1ca2cd1a96 in QEventDispatcherGlib::processEvents (this=0x7f1c740008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#7  0x00007f1ca2ca12f2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#8  0x00007f1ca2ca1547 in QEventLoop::exec (this=0x7f1c85c3bdd0, flags=...) at kernel/qeventloop.cpp:204
#9  0x00007f1ca2ba0f97 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#10 0x00007f1ca2c8106f in QInotifyFileSystemWatcherEngine::run (this=0x1534360) at io/qfilesystemwatcher_inotify.cpp:248
#11 0x00007f1ca2ba3fbb in QThreadPrivate::start (arg=0x1534360) at thread/qthread_unix.cpp:298
#12 0x00007f1c9c8bce9a in start_thread (arg=0x7f1c85c3c700) at pthread_create.c:308
#13 0x00007f1ca5f5574d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#14 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f1ca6676780 (LWP 2747)):
[KCrash Handler]
#6  0x0000000000000000 in ?? ()
#7  0x00007f1ca6275e26 in MDWSlider::update (this=0x17af9a0) at ../../kmix/gui/mdwslider.cpp:1001
#8  0x00007f1ca627164b in ViewDockAreaPopup::refreshVolumeLevels (this=<optimized out>) at ../../kmix/gui/viewdockareapopup.cpp:168
#9  0x00007f1ca2cb68f1 in QMetaObject::activate (sender=0x176a500, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3547
#10 0x00007f1ca2cb68f1 in QMetaObject::activate (sender=0x173e450, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3547
#11 0x00007f1ca624ab0c in Mixer_Backend::readSetFromHW (this=0x173e450) at ../../kmix/backends/mixer_backend.cpp:155
#12 0x00007f1ca625adf5 in sink_cb (c=<optimized out>, i=<optimized out>, eol=<optimized out>) at ../../kmix/backends/mixer_pulse.cpp:191
#13 0x00007f1ca4634944 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#14 0x00007f1c9c274693 in ?? () from /usr/lib/x86_64-linux-gnu/libpulsecommon-1.1.so
#15 0x00007f1c9c274a03 in pa_pdispatch_run () from /usr/lib/x86_64-linux-gnu/libpulsecommon-1.1.so
#16 0x00007f1ca462abdd in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#17 0x00007f1c9c2792a9 in ?? () from /usr/lib/x86_64-linux-gnu/libpulsecommon-1.1.so
#18 0x00007f1ca4418ab3 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse-mainloop-glib.so.0
#19 0x00007f1c9bd55d8a in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007f1c9bd56150 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007f1c9bd56214 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007f1ca2cd1a2f in QEventDispatcherGlib::processEvents (this=0x1304ad0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#23 0x00007f1ca39bcb1e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#24 0x00007f1ca2ca12f2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#25 0x00007f1ca2ca1547 in QEventLoop::exec (this=0x7fffc6ce3230, flags=...) at kernel/qeventloop.cpp:204
#26 0x00007f1ca2ca65d7 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#27 0x00007f1ca62623e2 in kdemain (argc=3, argv=0x7fffc6ce37b8) at ../../kmix/apps/main.cpp:76
#28 0x00007f1ca5e8676d in __libc_start_main (main=0x400630 <main(int, char**)>, argc=3, ubp_av=0x7fffc6ce37b8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffc6ce37a8) at libc-start.c:226
#29 0x0000000000400661 in _start ()

This bug may be a duplicate of or related to bug 288441.

Possible duplicates by query: bug 296466, bug 296454, bug 296449, bug 296419, bug 296408.

Reported using DrKonqi