Application: knotify4 (4.14.14)
KDE Platform Version: 4.14.14
Qt Version: 4.8.7
Operating System: Linux 4.4.11-customkernel x86_64
Distribution: Debian GNU/Linux stable-updates (sid)

-- Information about the crash:
- What I was doing when the application crashed:
anything, what was resulting in kde sound warning, f.e. delete of file in krusader

- Custom settings of the application:
wm fluxbox, partial installation of kde, it means only krusader, kmix and needed/supporting applications (apt distribution)

The crash can be reproduced every time.

-- Backtrace:
Application: KNotify (knotify4), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f72f6098900 (LWP 4621))]

Thread 2 (Thread 0x7f72e459b700 (LWP 4622)):
#0  __lll_lock_wait () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135
#1  0x00007f72f0cb5b82 in __GI___pthread_mutex_lock (mutex=0x7f72f6191948 <_rtld_global+2312>) at ../nptl/pthread_mutex_lock.c:116
#2  0x00007f72f5f80a9d in tls_get_addr_tail (ti=0x7f72f37d9f68, dtv=0x1a29dc0, the_map=0x7f72f615d000) at dl-tls.c:765
#3  0x00007f72f34ef1c0 in __cxa_get_globals () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#4  0x00007f72f34ef089 in std::uncaught_exception() () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#5  0x00007f72f38512e9 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#6  0x00007f72f38515e1 in qWarning(char const*, ...) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#7  0x00007f72f399ba9b in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#8  0x00007f72f07cadd1 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007f72f07cb340 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007f72f07cb4ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007f72f399c216 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#12 0x00007f72f396a17f in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#13 0x00007f72f396a4e5 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#14 0x00007f72f3859549 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#15 0x00007f72f394a213 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#16 0x00007f72f385be3c in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#17 0x00007f72f0cb3454 in start_thread (arg=0x7f72e459b700) at pthread_create.c:334
#18 0x00007f72f31a5e5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f72f6098900 (LWP 4621)):
[KCrash Handler]
#6  0x00007f72d7db71e5 in QMetaObject::className() const () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f72e0ba563f in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#8  0x00007f72e0b3fe77 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#9  0x00007f72f5f7e2da in call_init (l=<optimized out>, argc=argc@entry=1, argv=argv@entry=0x7ffe3b2576f8, env=env@entry=0x7ffe3b257708) at dl-init.c:72
#10 0x00007f72f5f7e3eb in call_init (env=0x7ffe3b257708, argv=0x7ffe3b2576f8, argc=1, l=<optimized out>) at dl-init.c:30
#11 _dl_init (main_map=main_map@entry=0x1ab7f00, argc=1, argv=0x7ffe3b2576f8, env=0x7ffe3b257708) at dl-init.c:120
#12 0x00007f72f5f828d0 in dl_open_worker (a=a@entry=0x7ffe3b255728) at dl-open.c:575
#13 0x00007f72f5f7e184 in _dl_catch_error (objname=objname@entry=0x7ffe3b255718, errstring=errstring@entry=0x7ffe3b255720, mallocedp=mallocedp@entry=0x7ffe3b255717, operate=operate@entry=0x7f72f5f82500 <dl_open_worker>, args=args@entry=0x7ffe3b255728) at dl-error.c:187
#14 0x00007f72f5f82081 in _dl_open (file=0x1ab8820 "/usr/lib/vlc/plugins/gui/libqt4_plugin.so", mode=-2147483647, caller_dlopen=0x7f72e1a73b6f, nsid=-2, argc=1, argv=<optimized out>, env=0x7ffe3b257708) at dl-open.c:660
#15 0x00007f72eed76f09 in dlopen_doit (a=a@entry=0x7ffe3b255940) at dlopen.c:66
#16 0x00007f72f5f7e184 in _dl_catch_error (objname=0x18de610, errstring=0x18de618, mallocedp=0x18de608, operate=0x7f72eed76eb0 <dlopen_doit>, args=0x7ffe3b255940) at dl-error.c:187
#17 0x00007f72eed77521 in _dlerror_run (operate=operate@entry=0x7f72eed76eb0 <dlopen_doit>, args=args@entry=0x7ffe3b255940) at dlerror.c:163
#18 0x00007f72eed76fa1 in __dlopen (file=<optimized out>, mode=<optimized out>) at dlopen.c:87
#19 0x00007f72e1a73b6f in ?? () from /usr/lib/libvlccore.so.8
#20 0x00007f72e1a586db in ?? () from /usr/lib/libvlccore.so.8
#21 0x00007f72e1a58a08 in ?? () from /usr/lib/libvlccore.so.8
#22 0x00007f72e1a58964 in ?? () from /usr/lib/libvlccore.so.8
#23 0x00007f72e1a58ee4 in ?? () from /usr/lib/libvlccore.so.8
#24 0x00007f72e1a594b1 in ?? () from /usr/lib/libvlccore.so.8
#25 0x00007f72e19df0cd in libvlc_InternalInit () from /usr/lib/libvlccore.so.8
#26 0x00007f72e17afa8b in libvlc_new () from /usr/lib/libvlc.so.5
#27 0x00007f72e1d0132b in ?? () from /usr/lib/x86_64-linux-gnu/qt4/plugins/phonon_backend/phonon_vlc.so
#28 0x00007f72e1ce2813 in ?? () from /usr/lib/x86_64-linux-gnu/qt4/plugins/phonon_backend/phonon_vlc.so
#29 0x00007f72e1ce3493 in qt_plugin_instance () from /usr/lib/x86_64-linux-gnu/qt4/plugins/phonon_backend/phonon_vlc.so
#30 0x00007f72f394ea1b in QPluginLoader::instance() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#31 0x00007f72e3951901 in ?? () from /usr/lib/kde4/plugins/phonon_platform/kde.so
#32 0x00007f72e395209f in ?? () from /usr/lib/kde4/plugins/phonon_platform/kde.so
#33 0x00007f72f5d21206 in ?? () from /usr/lib/x86_64-linux-gnu/libphonon.so.4
#34 0x00007f72f5d22658 in Phonon::Factory::backend(bool) () from /usr/lib/x86_64-linux-gnu/libphonon.so.4
#35 0x00007f72f5d22da2 in ?? () from /usr/lib/x86_64-linux-gnu/libphonon.so.4
#36 0x00007f72f5d163ef in ?? () from /usr/lib/x86_64-linux-gnu/libphonon.so.4
#37 0x00007f72f5d137bf in ?? () from /usr/lib/x86_64-linux-gnu/libphonon.so.4
#38 0x000000000040f039 in ?? ()
#39 0x0000000000410490 in ?? ()
#40 0x000000000040bd31 in ?? ()
#41 0x000000000040d028 in ?? ()
#42 0x000000000040dbdd in ?? ()
#43 0x000000000040df2c in ?? ()
#44 0x000000000040e1a3 in ?? ()
#45 0x00007f72f3cf7fc5 in ?? () from /usr/lib/x86_64-linux-gnu/libQtDBus.so.4
#46 0x00007f72f3cf951c in ?? () from /usr/lib/x86_64-linux-gnu/libQtDBus.so.4
#47 0x00007f72f3cfa23d in ?? () from /usr/lib/x86_64-linux-gnu/libQtDBus.so.4
#48 0x00007f72f3cfa43b in ?? () from /usr/lib/x86_64-linux-gnu/libQtDBus.so.4
#49 0x00007f72f3985d61 in QObject::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#50 0x00007f72f461390c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#51 0x00007f72f461a846 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#52 0x00007f72f53943ca in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#53 0x00007f72f396b8fd in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#54 0x00007f72f396f3b6 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#55 0x00007f72f399c0a3 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#56 0x00007f72f07cb1a7 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#57 0x00007f72f07cb400 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#58 0x00007f72f07cb4ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#59 0x00007f72f399c1f4 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#60 0x00007f72f46bd9d6 in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#61 0x00007f72f396a17f in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#62 0x00007f72f396a4e5 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#63 0x00007f72f39704a9 in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#64 0x0000000000409a05 in ?? ()
#65 0x00007f72f30dd5f0 in __libc_start_main (main=0x409450, argc=1, argv=0x7ffe3b2576f8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffe3b2576e8) at libc-start.c:291
#66 0x0000000000409c09 in _start ()

Possible duplicates by query: bug 362945, bug 362300, bug 361111, bug 360803, bug 360631.

Reported using DrKonqi