Application: kmix (4.3)
KDE Platform Version: 4.10.1
Qt Version: 4.8.4
Operating System: Linux 3.8.2-206.fc18.x86_64 x86_64
Distribution (Platform): Fedora RPMs

-- Information about the crash:
- What I was doing when the application crashed: 
Moving JuK application stream from internal intel card to an zeroconf discovered network sink

The crash can be reproduced every time.

-- Backtrace:
Application: KMix (kmix), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
81	T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
[Current thread is 1 (Thread 0x7f7c6b9558c0 (LWP 19256))]

Thread 3 (Thread 0x7f7c5a7d3700 (LWP 19257)):
#0  0x0000003c52ee56dd in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00000030300a974c in ?? () from /usr/lib64/nvidia/libGL.so.1
#2  0x0000003ccd401be7 in ?? () from /usr/lib64/nvidia/tls/libnvidia-tls.so.304.64
#3  0x00000031bfa840df in read (__nbytes=16, __buf=0x7f7c5a7d29e0, __fd=<optimized out>) at /usr/include/bits/unistd.h:44
#4  g_wakeup_acknowledge (wakeup=0x12279c0) at gwakeup.c:212
#5  0x00000031bfa478b4 in g_main_context_check (context=context@entry=0x7f7c540009d0, max_priority=2147483647, fds=fds@entry=0x7f7c54002be0, n_fds=n_fds@entry=1) at gmain.c:3129
#6  0x00000031bfa47cc2 in g_main_context_iterate (context=context@entry=0x7f7c540009d0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3287
#7  0x00000031bfa47e44 in g_main_context_iteration (context=0x7f7c540009d0, may_block=1) at gmain.c:3351
#8  0x0000003aaa7a6126 in QEventDispatcherGlib::processEvents (this=0x7f7c540008f0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#9  0x0000003aaa77680f in QEventLoop::processEvents (this=this@entry=0x7f7c5a7d2bd0, flags=...) at kernel/qeventloop.cpp:149
#10 0x0000003aaa776a98 in QEventLoop::exec (this=0x7f7c5a7d2bd0, flags=...) at kernel/qeventloop.cpp:204
#11 0x0000003aaa678980 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
#12 0x0000003aaa75703f in QInotifyFileSystemWatcherEngine::run (this=0x1619e50) at io/qfilesystemwatcher_inotify.cpp:256
#13 0x0000003aaa67b95c in QThreadPrivate::start (arg=0x1619e50) at thread/qthread_unix.cpp:338
#14 0x00000030300aa764 in ?? () from /usr/lib64/nvidia/libGL.so.1
#15 0x0000003c53607d15 in start_thread (arg=0x7f7c5a7d3700) at pthread_create.c:308
#16 0x0000003c52ef246d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:114

Thread 2 (Thread 0x7f7c59dc5700 (LWP 19259)):
#0  0x0000003c52ee56dd in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00000030300a974c in ?? () from /usr/lib64/nvidia/libGL.so.1
#2  0x0000003ccd401be7 in ?? () from /usr/lib64/nvidia/tls/libnvidia-tls.so.304.64
#3  0x00000031bfa840df in read (__nbytes=16, __buf=0x7f7c59dc49e0, __fd=<optimized out>) at /usr/include/bits/unistd.h:44
#4  g_wakeup_acknowledge (wakeup=0x7f7c54001fb0) at gwakeup.c:212
#5  0x00000031bfa478b4 in g_main_context_check (context=context@entry=0x7f7c480009d0, max_priority=2147483647, fds=fds@entry=0x7f7c480029e0, n_fds=n_fds@entry=1) at gmain.c:3129
#6  0x00000031bfa47cc2 in g_main_context_iterate (context=context@entry=0x7f7c480009d0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3287
#7  0x00000031bfa47e44 in g_main_context_iteration (context=0x7f7c480009d0, may_block=1) at gmain.c:3351
#8  0x0000003aaa7a6126 in QEventDispatcherGlib::processEvents (this=0x7f7c480008f0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#9  0x0000003aaa77680f in QEventLoop::processEvents (this=this@entry=0x7f7c59dc4bd0, flags=...) at kernel/qeventloop.cpp:149
#10 0x0000003aaa776a98 in QEventLoop::exec (this=0x7f7c59dc4bd0, flags=...) at kernel/qeventloop.cpp:204
#11 0x0000003aaa678980 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
#12 0x0000003aaa75703f in QInotifyFileSystemWatcherEngine::run (this=0x17eba50) at io/qfilesystemwatcher_inotify.cpp:256
#13 0x0000003aaa67b95c in QThreadPrivate::start (arg=0x17eba50) at thread/qthread_unix.cpp:338
#14 0x00000030300aa764 in ?? () from /usr/lib64/nvidia/libGL.so.1
#15 0x0000003c53607d15 in start_thread (arg=0x7f7c59dc5700) at pthread_create.c:308
#16 0x0000003c52ef246d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:114

Thread 1 (Thread 0x7f7c6b9558c0 (LWP 19256)):
[KCrash Handler]
#5  QMetaObject::changeGuard (ptr=0x14ded80, o=0x0) at kernel/qobject.cpp:460
#6  0x0000003aac4044bd in operator= (p=0x0, this=0x14ded80) at ../../src/corelib/kernel/qpointer.h:68
#7  QMenuPrivate::activateAction (this=0x14deac0, action=0x157aa70, action_e=QAction::Trigger, self=true) at widgets/qmenu.cpp:1143
#8  0x00000031f2d008e0 in KMenu::mouseReleaseEvent(QMouseEvent*) () from /lib64/libkdeui.so.5
#9  0x0000003aac019f49 in QWidget::event (this=0x1782b50, event=0x7ffffc675bd0) at kernel/qwidget.cpp:8375
#10 0x0000003aac40574b in QMenu::event (this=0x1782b50, e=0x7ffffc675bd0) at widgets/qmenu.cpp:2481
#11 0x0000003aabfca5cc in QApplicationPrivate::notify_helper (this=0x1224860, receiver=0x1782b50, e=0x7ffffc675bd0) at kernel/qapplication.cpp:4562
#12 0x0000003aabfcf2ab in QApplication::notify (this=<optimized out>, receiver=0x1782b50, e=0x7ffffc675bd0) at kernel/qapplication.cpp:4105
#13 0x00000031f2c473c6 in KApplication::notify(QObject*, QEvent*) () from /lib64/libkdeui.so.5
#14 0x0000003aaa777abe in QCoreApplication::notifyInternal (this=0x11cbb30, receiver=0x1782b50, event=0x7ffffc675bd0) at kernel/qcoreapplication.cpp:946
#15 0x0000003aabfcb40b in QApplicationPrivate::sendMouseEvent (receiver=0x1782b50, event=0x7ffffc675bd0, alienWidget=0x0, nativeWidget=0x1782b50, buttonDown=0x3aaca9e268 <qt_button_down>, lastMouseReceiver=..., spontaneous=true) at ../../src/corelib/kernel/qcoreapplication.h:231
#16 0x0000003aac045a3c in QETWidget::translateMouseEvent (this=0x1782b50, event=<optimized out>) at kernel/qapplication_x11.cpp:4471
#17 0x0000003aac044901 in QApplication::x11ProcessEvent (this=0x11cbb30, event=0x7ffffc676340) at kernel/qapplication_x11.cpp:3660
#18 0x0000003aac06aa5c in x11EventSourceDispatch (s=s@entry=0x122a470, callback=0x0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:148
#19 0x00000031bfa47a55 in g_main_dispatch (context=0x1221ef0) at gmain.c:2715
#20 g_main_context_dispatch (context=context@entry=0x1221ef0) at gmain.c:3219
#21 0x00000031bfa47d88 in g_main_context_iterate (context=context@entry=0x1221ef0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3290
#22 0x00000031bfa47e44 in g_main_context_iteration (context=0x1221ef0, may_block=1) at gmain.c:3351
#23 0x0000003aaa7a6126 in QEventDispatcherGlib::processEvents (this=0x11a9ab0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#24 0x0000003aac06a73e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:207
#25 0x0000003aaa77680f in QEventLoop::processEvents (this=this@entry=0x7ffffc676710, flags=...) at kernel/qeventloop.cpp:149
#26 0x0000003aaa776a98 in QEventLoop::exec (this=0x7ffffc676710, flags=...) at kernel/qeventloop.cpp:204
#27 0x0000003aaa77b888 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#28 0x00000031f0e42b9a in kdemain () from /lib64/libkdeinit4_kmix.so
#29 0x0000003c52e21a05 in __libc_start_main (main=0x400800 <main>, argc=5, ubp_av=0x7ffffc676958, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffffc676948) at libc-start.c:225
#30 0x0000000000400831 in _start ()

This bug may be a duplicate of or related to bug 311167.

Possible duplicates by query: bug 316980, bug 315999, bug 314611, bug 313197, bug 311167.

Reported using DrKonqi