Bug 296843

Application: kmix (4)
KDE Platform Version: 4.8.1 (4.8.1)
Qt Version: 4.8.0
Operating System: Linux 3.3.0-4.fc16.i686 i686
Distribution: "Fedora release 16 (Verne)"

-- Information about the crash:
I have a citrix client over VPN. When there is an audio playing Kmix crashes most of the time.

The crash can be reproduced every time.

-- Backtrace:
Application: KMix (kmix), signal: Segmentation fault
Using host libthread_db library "/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0xb76eba80 (LWP 2599))]

Thread 3 (Thread 0xb0b35b40 (LWP 2602)):
#0  0x035e916e in g_main_context_prepare (context=0xb02004e0, priority=0xb0b350c8) at gmain.c:2779
#1  0x035e9ed8 in g_main_context_iterate (context=0xb02004e0, block=1, dispatch=1, self=0xb0200d70) at gmain.c:3069
#2  0x035ea4ef in g_main_context_iteration (context=0xb02004e0, may_block=1) at gmain.c:3152
#3  0x099bd317 in QEventDispatcherGlib::processEvents (this=0xb0200468, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x099894ee in QEventLoop::processEvents (this=0xb0b35200, flags=...) at kernel/qeventloop.cpp:149
#5  0x09989799 in QEventLoop::exec (this=0xb0b35200, flags=...) at kernel/qeventloop.cpp:204
#6  0x09871b2c in QThread::exec (this=0x9f81448) at thread/qthread.cpp:501
#7  0x0996635e in QInotifyFileSystemWatcherEngine::run (this=0x9f81448) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x098750b1 in QThreadPrivate::start (arg=0x9f81448) at thread/qthread_unix.cpp:298
#9  0x00339cd3 in start_thread (arg=0xb0b35b40) at pthread_create.c:309
#10 0x04572a2e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:133

Thread 2 (Thread 0xab7ffb40 (LWP 2619)):
#0  0x00f95416 in __kernel_vsyscall ()
#1  0x045681a0 in __GI___poll (fds=0xaae01a98, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#2  0x035f8d3c in g_poll (fds=0xaae01a98, nfds=1, timeout=-1) at gpoll.c:132
#3  0x035ea146 in g_main_context_poll (n_fds=1, fds=0xaae01a98, priority=<optimized out>, timeout=<optimized out>, context=0xaae00520) at gmain.c:3402
#4  g_main_context_iterate (context=0xaae00520, block=56593680, dispatch=1, self=0xaae00468) at gmain.c:3084
#5  0x035ea4ef in g_main_context_iteration (context=0xaae00520, may_block=1) at gmain.c:3152
#6  0x099bd317 in QEventDispatcherGlib::processEvents (this=0xaae004a8, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#7  0x099894ee in QEventLoop::processEvents (this=0xab7ff200, flags=...) at kernel/qeventloop.cpp:149
#8  0x09989799 in QEventLoop::exec (this=0xab7ff200, flags=...) at kernel/qeventloop.cpp:204
#9  0x09871b2c in QThread::exec (this=0xa00b718) at thread/qthread.cpp:501
#10 0x0996635e in QInotifyFileSystemWatcherEngine::run (this=0xa00b718) at io/qfilesystemwatcher_inotify.cpp:248
#11 0x098750b1 in QThreadPrivate::start (arg=0xa00b718) at thread/qthread_unix.cpp:298
#12 0x00339cd3 in start_thread (arg=0xab7ffb40) at pthread_create.c:309
#13 0x04572a2e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:133

Thread 1 (Thread 0xb76eba80 (LWP 2599)):
[KCrash Handler]
#7  0x09fdaaf3 in ?? ()
#8  0x00550406 in Mixer::controlChanged (this=0x9fc9208) at /usr/src/debug/kdemultimedia-4.8.1/i686-redhat-linux-gnu/kmix/mixer.moc:117
#9  0x0999fea1 in QMetaObject::activate (sender=0x9fcf960, m=0x56e7c4, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3547
#10 0x00505006 in Mixer_Backend::controlChanged (this=0x9fcf960) at /usr/src/debug/kdemultimedia-4.8.1/i686-redhat-linux-gnu/kmix/mixer_backend.moc:107
#11 0x00505310 in Mixer_Backend::readSetFromHW (this=0x9fcf960) at /usr/src/debug/kdemultimedia-4.8.1/kmix/backends/mixer_backend.cpp:155
#12 0x0051211b in Mixer_PULSE::triggerUpdate (this=0x9fcf960) at /usr/src/debug/kdemultimedia-4.8.1/kmix/backends/mixer_pulse.cpp:1286
#13 0x00518ab5 in sink_cb (c=0x9feb798, i=0x0, eol=1) at /usr/src/debug/kdemultimedia-4.8.1/kmix/backends/mixer_pulse.cpp:191
#14 0x002bac51 in context_get_sink_info_callback (pd=0x9faa1f0, command=2, tag=3, t=0x9f1e1e8, userdata=0x9fd3348) at pulse/introspect.c:263
#15 0x07dcd23e in run_action (pd=0x9faa1f0, r=0x9fd3928, command=2, ts=0x9f1e1e8) at pulsecore/pdispatch.c:274
#16 0x07dcd640 in pa_pdispatch_run (pd=0x9faa1f0, packet=0x9f92678, creds=0x9f71750, userdata=0x9feb798) at pulsecore/pdispatch.c:326
#17 0x002b287e in pstream_packet_callback (p=0x9f71688, packet=0x9f92678, creds=0x9f71750, userdata=0x9feb798) at pulse/context.c:346
#18 0x07dd2ca3 in do_read (p=0x9f71688) at pulsecore/pstream.c:816
#19 do_something (p=0x9f71688) at pulsecore/pstream.c:184
#20 0x07dbcfe3 in callback (m=0x9fc95b4, e=0x9fa8b78, fd=13, f=3, userdata=0x9f93760) at pulsecore/iochannel.c:119
#21 0x002efb7a in dispatch_func (source=0x9fc9580, callback=0, userdata=0x0) at pulse/glib-mainloop.c:585
#22 0x035e9aff in g_main_dispatch (context=0x9dbdc98) at gmain.c:2441
#23 g_main_context_dispatch (context=0x9dbdc98) at gmain.c:3011
#24 0x035ea240 in g_main_context_iterate (context=0x9dbdc98, block=56593680, dispatch=1, self=0x9db9c80) at gmain.c:3089
#25 0x035ea4ef in g_main_context_iteration (context=0x9dbdc98, may_block=1) at gmain.c:3152
#26 0x099bd2b8 in QEventDispatcherGlib::processEvents (this=0x9d91728, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#27 0x054214db in QGuiEventDispatcherGlib::processEvents (this=0x9d91728, flags=...) at kernel/qguieventdispatcher_glib.cpp:207
#28 0x099894ee in QEventLoop::processEvents (this=0xbfe84434, flags=...) at kernel/qeventloop.cpp:149
#29 0x09989799 in QEventLoop::exec (this=0xbfe84434, flags=...) at kernel/qeventloop.cpp:204
#30 0x0998e93b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#31 0x0536a975 in QApplication::exec () at kernel/qapplication.cpp:3811
#32 0x0051eb53 in kdemain (argc=3, argv=0xbfe84694) at /usr/src/debug/kdemultimedia-4.8.1/kmix/apps/main.cpp:76
#33 0x0804861c in main (argc=3, argv=0xbfe84694) at /usr/src/debug/kdemultimedia-4.8.1/i686-redhat-linux-gnu/kmix/kmix_dummy.cpp:3

Possible duplicates by query: bug 296809, bug 296684, bug 296601, bug 296570, bug 296557.

Reported using DrKonqi