Bug 300562

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:
Came back to the computer after a couple days and saw this crash report.

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 0x7fd8f4b4f780 (LWP 2347))]

Thread 3 (Thread 0x7fd8d57bd700 (LWP 2370)):
#0  0x00007fd8f4412b03 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fd8ea21eff6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd8ea21f124 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd8f1199426 in QEventDispatcherGlib::processEvents (this=0x7fd8d00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007fd8f1168c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fd8f1168ed7 in QEventLoop::exec (this=0x7fd8d57bcdd0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007fd8f1067fa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007fd8f11489ff in QInotifyFileSystemWatcherEngine::run (this=0xe18c60) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007fd8f106afcb in QThreadPrivate::start (arg=0xe18c60) at thread/qthread_unix.cpp:298
#9  0x00007fd8ead85e9a in start_thread (arg=0x7fd8d57bd700) at pthread_create.c:308
#10 0x00007fd8f441e4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fd8d4db0700 (LWP 2394)):
#0  0x00007fd8f4412b03 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fd8ea21eff6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd8ea21f124 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd8f1199426 in QEventDispatcherGlib::processEvents (this=0x7fd8c40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007fd8f1168c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fd8f1168ed7 in QEventLoop::exec (this=0x7fd8d4dafdd0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007fd8f1067fa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007fd8f11489ff in QInotifyFileSystemWatcherEngine::run (this=0xc74cf0) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007fd8f106afcb in QThreadPrivate::start (arg=0xc74cf0) at thread/qthread_unix.cpp:298
#9  0x00007fd8ead85e9a in start_thread (arg=0x7fd8d4db0700) at pthread_create.c:308
#10 0x00007fd8f441e4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fd8f4b4f780 (LWP 2347)):
[KCrash Handler]
#6  0x0000000000000000 in ?? ()
#7  0x00007fd8f473ee26 in MDWSlider::update (this=0xf51e30) at ../../kmix/gui/mdwslider.cpp:1001
#8  0x00007fd8f473a64b in ViewDockAreaPopup::refreshVolumeLevels (this=<optimized out>) at ../../kmix/gui/viewdockareapopup.cpp:168
#9  0x00007fd8f117e281 in QMetaObject::activate (sender=0xe70690, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3547
#10 0x00007fd8f117e281 in QMetaObject::activate (sender=0xe45450, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3547
#11 0x00007fd8f4713b0c in Mixer_Backend::readSetFromHW (this=0xe45450) at ../../kmix/backends/mixer_backend.cpp:155
#12 0x00007fd8f4723df5 in sink_cb (c=<optimized out>, i=<optimized out>, eol=<optimized out>) at ../../kmix/backends/mixer_pulse.cpp:191
#13 0x00007fd8f2afb944 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#14 0x00007fd8ea73d693 in ?? () from /usr/lib/x86_64-linux-gnu/libpulsecommon-1.1.so
#15 0x00007fd8ea73da03 in pa_pdispatch_run () from /usr/lib/x86_64-linux-gnu/libpulsecommon-1.1.so
#16 0x00007fd8f2af1bdd in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#17 0x00007fd8ea7422a9 in ?? () from /usr/lib/x86_64-linux-gnu/libpulsecommon-1.1.so
#18 0x00007fd8f28dfab3 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse-mainloop-glib.so.0
#19 0x00007fd8ea21ec9a in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007fd8ea21f060 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007fd8ea21f124 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007fd8f11993bf in QEventDispatcherGlib::processEvents (this=0xa94ad0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#23 0x00007fd8f1e83d5e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#24 0x00007fd8f1168c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#25 0x00007fd8f1168ed7 in QEventLoop::exec (this=0x7fff811c4f30, flags=...) at kernel/qeventloop.cpp:204
#26 0x00007fd8f116df67 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#27 0x00007fd8f472b3e2 in kdemain (argc=3, argv=0x7fff811c54b8) at ../../kmix/apps/main.cpp:76
#28 0x00007fd8f434d76d in __libc_start_main (main=0x400630 <main(int, char**)>, argc=3, ubp_av=0x7fff811c54b8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff811c54a8) at libc-start.c:226
#29 0x0000000000400661 in _start ()

Possible duplicates by query: bug 300182, bug 300177, bug 300137, bug 300133, bug 300116.

Reported using DrKonqi