Application: kmix (4)
KDE Platform Version: 4.8.2 (4.8.2)
Qt Version: 4.8.1
Operating System: Linux 3.3.0-bfs x86_64
Distribution: Ubuntu precise (development branch)

-- Information about the crash:
- What I was doing when the application crashed:

I was adjusting volume by rotating mouse wheel with mouse pointer over the kmix icon

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 0x7fb2e0af47c0 (LWP 3196))]

Thread 3 (Thread 0x7fb2be82c700 (LWP 3197)):
#0  0x00007fb2e03d7b03 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fb2d61e3ff6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fb2d61e4124 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb2dd15e426 in QEventDispatcherGlib::processEvents (this=0x7fb2b80008e0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007fb2dd12dc82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fb2dd12ded7 in QEventLoop::exec (this=0x7fb2be82bcd0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007fb2dd02cfa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007fb2dd10d9ff in QInotifyFileSystemWatcherEngine::run (this=0x11c8cf0) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007fb2dd02ffcb in QThreadPrivate::start (arg=0x11c8cf0) at thread/qthread_unix.cpp:298
#9  0x00007fb2d20fe2da in ?? () from /usr/lib/libGL.so.1
#10 0x00007fb2d6d4ae9a in start_thread (arg=0x7fb2be82c700) at pthread_create.c:308
#11 0x00007fb2e03e34bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fb2bd0cf700 (LWP 3201)):
#0  0x00007fb2e03d7b03 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fb2d61e3ff6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fb2d61e4124 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb2dd15e426 in QEventDispatcherGlib::processEvents (this=0x7fb2ac0008e0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007fb2dd12dc82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fb2dd12ded7 in QEventLoop::exec (this=0x7fb2bd0cecd0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007fb2dd02cfa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007fb2dd10d9ff in QInotifyFileSystemWatcherEngine::run (this=0x139caa0) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007fb2dd02ffcb in QThreadPrivate::start (arg=0x139caa0) at thread/qthread_unix.cpp:298
#9  0x00007fb2d20fe2da in ?? () from /usr/lib/libGL.so.1
#10 0x00007fb2d6d4ae9a in start_thread (arg=0x7fb2bd0cf700) at pthread_create.c:308
#11 0x00007fb2e03e34bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fb2e0af47c0 (LWP 3196)):
[KCrash Handler]
#6  0x00007fb2e0703e23 in MDWSlider::update (this=0x136fd50) at ../../kmix/gui/mdwslider.cpp:1001
#7  0x00007fb2e06ff64b in ViewDockAreaPopup::refreshVolumeLevels (this=<optimized out>) at ../../kmix/gui/viewdockareapopup.cpp:168
#8  0x00007fb2dd143281 in QMetaObject::activate (sender=0x11bfda0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3547
#9  0x00007fb2dd143281 in QMetaObject::activate (sender=0x11fdc60, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3547
#10 0x00007fb2e06d8b0c in Mixer_Backend::readSetFromHW (this=0x11fdc60) at ../../kmix/backends/mixer_backend.cpp:155
#11 0x00007fb2e06e8df5 in sink_cb (c=<optimized out>, i=<optimized out>, eol=<optimized out>) at ../../kmix/backends/mixer_pulse.cpp:191
#12 0x00007fb2deac0944 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#13 0x00007fb2d6702693 in ?? () from /usr/lib/x86_64-linux-gnu/libpulsecommon-1.1.so
#14 0x00007fb2d6702a03 in pa_pdispatch_run () from /usr/lib/x86_64-linux-gnu/libpulsecommon-1.1.so
#15 0x00007fb2deab6bdd in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#16 0x00007fb2d67072a9 in ?? () from /usr/lib/x86_64-linux-gnu/libpulsecommon-1.1.so
#17 0x00007fb2de8a4ab3 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse-mainloop-glib.so.0
#18 0x00007fb2d61e3c9a in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#19 0x00007fb2d61e4060 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007fb2d61e4124 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007fb2dd15e3bf in QEventDispatcherGlib::processEvents (this=0xd21ad0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#22 0x00007fb2dde48d6e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#23 0x00007fb2dd12dc82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#24 0x00007fb2dd12ded7 in QEventLoop::exec (this=0x7fff96106640, flags=...) at kernel/qeventloop.cpp:204
#25 0x00007fb2dd132f67 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#26 0x00007fb2e06f03e2 in kdemain (argc=5, argv=0x7fff96106bc8) at ../../kmix/apps/main.cpp:76
#27 0x00007fb2e031276d in __libc_start_main (main=0x400630 <main(int, char**)>, argc=5, ubp_av=0x7fff96106bc8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff96106bb8) at libc-start.c:226
#28 0x0000000000400661 in _start ()

This bug may be a duplicate of or related to bug 298116, bug 298156.

Possible duplicates by query: bug 298156, bug 298116, bug 298089, bug 298082, bug 297933.

Reported using DrKonqi