Application: knotify4 (4.0)
KDE Platform Version: 4.7.4 (4.7.4)
Qt Version: 4.8.0
Operating System: Linux 3.1.6-1.fc16.x86_64 x86_64
Distribution: "Fedora release 16 (Verne)"

-- Information about the crash:
I am use to manipulate kde programms in gnome and sometimes they crash

The crash can be reproduced some of the time.

-- Backtrace:
Application: KNotify (knotify4), signal: Aborted
Using host libthread_db library "/lib64/libthread_db.so.1".
82	T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
[Current thread is 1 (Thread 0x7f89d432c840 (LWP 7702))]

Thread 8 (Thread 0x7f89c8931700 (LWP 7703)):
#0  0x0000003da120af9d in __pthread_mutex_unlock_usercnt (mutex=<optimized out>, decr=<optimized out>) at pthread_mutex_unlock.c:53
#1  __pthread_mutex_unlock (mutex=0x7f89c40009a8) at pthread_mutex_unlock.c:298
#2  0x0000003da2a45033 in g_main_context_iterate (context=0x7f89c40009a0, block=1, dispatch=1, self=<optimized out>) at gmain.c:3051
#3  0x0000003da2a4544c in g_main_context_iteration (context=0x7f89c40009a0, may_block=1) at gmain.c:3136
#4  0x0000003494fa7db6 in QEventDispatcherGlib::processEvents (this=0x7f89c40008c0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:426
#5  0x0000003494f78172 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#6  0x0000003494f783c7 in QEventLoop::exec (this=0x7f89c8930d10, flags=...) at kernel/qeventloop.cpp:204
#7  0x0000003494e78b27 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#8  0x0000003494f57e6f in QInotifyFileSystemWatcherEngine::run (this=0x12f1d10) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x0000003494e7bb6b in QThreadPrivate::start (arg=0x12f1d10) at thread/qthread_unix.cpp:298
#10 0x0000003da1207d90 in start_thread (arg=0x7f89c8931700) at pthread_create.c:309
#11 0x0000003da0aef48d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 7 (Thread 0x7f89be769700 (LWP 7706)):
#0  0x0000003da0ae6af3 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x0000003dbe02c08f in ?? () from /usr/lib64/libpulse.so.0
#2  0x0000003dbe01df06 in pa_mainloop_poll () from /usr/lib64/libpulse.so.0
#3  0x0000003dbe01e539 in pa_mainloop_iterate () from /usr/lib64/libpulse.so.0
#4  0x0000003dbe01e5f0 in pa_mainloop_run () from /usr/lib64/libpulse.so.0
#5  0x0000003dbe02c03f in ?? () from /usr/lib64/libpulse.so.0
#6  0x0000003dbd038be8 in ?? () from /usr/lib64/libpulsecommon-0.9.23.so
#7  0x0000003da1207d90 in start_thread (arg=0x7f89be769700) at pthread_create.c:309
#8  0x0000003da0aef48d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 6 (Thread 0x7f89b3ffe700 (LWP 7707)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:165
#1  0x0000003dc08844ef in ?? () from /usr/lib64/libgstreamer-0.10.so.0
#2  0x0000003da2a6c6f8 in g_thread_pool_thread_proxy (data=<optimized out>) at gthreadpool.c:319
#3  0x0000003da2a6a1d6 in g_thread_create_proxy (data=0x177a250) at gthread.c:1962
#4  0x0000003da1207d90 in start_thread (arg=0x7f89b3ffe700) at pthread_create.c:309
#5  0x0000003da0aef48d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 5 (Thread 0x7f89b37fd700 (LWP 7708)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:165
#1  0x0000003dc183965b in gst_data_queue_pop () from /usr/lib64/libgstbase-0.10.so.0
#2  0x00007f89bd6a97c1 in ?? () from /usr/lib64/gstreamer-0.10/libgstcoreelements.so
#3  0x0000003dc0884364 in ?? () from /usr/lib64/libgstreamer-0.10.so.0
#4  0x0000003da2a6c6f8 in g_thread_pool_thread_proxy (data=<optimized out>) at gthreadpool.c:319
#5  0x0000003da2a6a1d6 in g_thread_create_proxy (data=0x7f89ac01a510) at gthread.c:1962
#6  0x0000003da1207d90 in start_thread (arg=0x7f89b37fd700) at pthread_create.c:309
#7  0x0000003da0aef48d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 4 (Thread 0x7f89b2ffc700 (LWP 7709)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:165
#1  0x0000003dc08844ef in ?? () from /usr/lib64/libgstreamer-0.10.so.0
#2  0x0000003da2a6c6f8 in g_thread_pool_thread_proxy (data=<optimized out>) at gthreadpool.c:319
#3  0x0000003da2a6a1d6 in g_thread_create_proxy (data=0x7f89a4025180) at gthread.c:1962
#4  0x0000003da1207d90 in start_thread (arg=0x7f89b2ffc700) at pthread_create.c:309
#5  0x0000003da0aef48d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 3 (Thread 0x7f89b27fb700 (LWP 7710)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:165
#1  0x0000003dc08844ef in ?? () from /usr/lib64/libgstreamer-0.10.so.0
#2  0x0000003da2a6c6f8 in g_thread_pool_thread_proxy (data=<optimized out>) at gthreadpool.c:319
#3  0x0000003da2a6a1d6 in g_thread_create_proxy (data=0x7f89a4027930) at gthread.c:1962
#4  0x0000003da1207d90 in start_thread (arg=0x7f89b27fb700) at pthread_create.c:309
#5  0x0000003da0aef48d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 2 (Thread 0x7f89b1ffa700 (LWP 7711)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:165
#1  0x0000003dc181cdef in gst_base_sink_wait_preroll () from /usr/lib64/libgstbase-0.10.so.0
#2  0x0000003dc181cf6d in gst_base_sink_do_preroll () from /usr/lib64/libgstbase-0.10.so.0
#3  0x0000003dc181edab in ?? () from /usr/lib64/libgstbase-0.10.so.0
#4  0x0000003dc182101a in ?? () from /usr/lib64/libgstbase-0.10.so.0
#5  0x0000003dc1821d2a in ?? () from /usr/lib64/libgstbase-0.10.so.0
#6  0x0000003dc085ecd2 in gst_pad_send_event () from /usr/lib64/libgstreamer-0.10.so.0
#7  0x0000003dc085f253 in gst_pad_push_event () from /usr/lib64/libgstreamer-0.10.so.0
#8  0x0000003dc182b71f in ?? () from /usr/lib64/libgstbase-0.10.so.0
#9  0x0000003dc085ecd2 in gst_pad_send_event () from /usr/lib64/libgstreamer-0.10.so.0
#10 0x0000003dc085f253 in gst_pad_push_event () from /usr/lib64/libgstreamer-0.10.so.0
#11 0x0000003dc182b71f in ?? () from /usr/lib64/libgstbase-0.10.so.0
#12 0x0000003dc085ecd2 in gst_pad_send_event () from /usr/lib64/libgstreamer-0.10.so.0
#13 0x0000003dc085f253 in gst_pad_push_event () from /usr/lib64/libgstreamer-0.10.so.0
#14 0x0000003dc182b71f in ?? () from /usr/lib64/libgstbase-0.10.so.0
#15 0x0000003dc085ecd2 in gst_pad_send_event () from /usr/lib64/libgstreamer-0.10.so.0
#16 0x0000003dc085f253 in gst_pad_push_event () from /usr/lib64/libgstreamer-0.10.so.0
#17 0x00007f89bd6ae898 in ?? () from /usr/lib64/gstreamer-0.10/libgstcoreelements.so
#18 0x0000003dc0884364 in ?? () from /usr/lib64/libgstreamer-0.10.so.0
#19 0x0000003da2a6c6f8 in g_thread_pool_thread_proxy (data=<optimized out>) at gthreadpool.c:319
#20 0x0000003da2a6a1d6 in g_thread_create_proxy (data=0x7f89a4026290) at gthread.c:1962
#21 0x0000003da1207d90 in start_thread (arg=0x7f89b1ffa700) at pthread_create.c:309
#22 0x0000003da0aef48d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 1 (Thread 0x7f89d432c840 (LWP 7702)):
[KCrash Handler]
#6  0x0000003da0a36285 in __GI_raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
#7  0x0000003da0a37b9b in __GI_abort () at abort.c:91
#8  0x0000003da0a75fae in __libc_message (do_abort=2, fmt=0x3da0b74b98 "*** glibc detected *** %s: %s: 0x%s ***\n") at ../sysdeps/unix/sysv/linux/libc_fatal.c:198
#9  0x0000003da0a7c2d6 in malloc_printerr (action=3, str=0x3da0b71b69 "free(): invalid pointer", ptr=<optimized out>) at malloc.c:5021
#10 0x0000003494ec5e5c in QString::free (d=0x10e1d80) at tools/qstring.cpp:1232
#11 0x0000003494f427bc in ~QSettingsKey (this=0x14f0000, __in_chrg=<optimized out>) at io/qsettings_p.h:95
#12 QMap<QSettingsKey, QVariant>::freeData (this=<optimized out>, x=0x14ee000) at ../../src/corelib/tools/qmap.h:650
#13 0x0000003494f40279 in operator= (other=..., this=0x10c3f20) at ../../src/corelib/tools/qmap.h:435
#14 clear (this=0x10c3f20) at ../../src/corelib/tools/qmap.h:446
#15 QConfFileSettingsPrivate::syncConfFile (this=0x132a820, confFileNo=<optimized out>) at io/qsettings.cpp:1503
#16 0x0000003494f40be1 in QConfFileSettingsPrivate::sync (this=0x132a820) at io/qsettings.cpp:1367
#17 0x0000003494f39341 in update (this=0x132a820) at io/qsettings.cpp:418
#18 QSettings::event (this=<optimized out>, event=<optimized out>) at io/qsettings.cpp:3355
#19 0x00000034967c9994 in notify_helper (e=0x12fb9c0, receiver=0x1333090, this=0x10826a0) at kernel/qapplication.cpp:4550
#20 QApplicationPrivate::notify_helper (this=0x10826a0, receiver=0x1333090, e=0x12fb9c0) at kernel/qapplication.cpp:4522
#21 0x00000034967ce813 in QApplication::notify (this=0x7fff05d175e0, receiver=0x1333090, e=0x12fb9c0) at kernel/qapplication.cpp:4411
#22 0x0000003497650766 in KApplication::notify (this=0x7fff05d175e0, receiver=0x1333090, event=0x12fb9c0) at /usr/src/debug/kdelibs-4.7.4/kdeui/kernel/kapplication.cpp:311
#23 0x0000003494f7903c in QCoreApplication::notifyInternal (this=0x7fff05d175e0, receiver=0x1333090, event=0x12fb9c0) at kernel/qcoreapplication.cpp:876
#24 0x0000003494f7caca in sendEvent (event=0x12fb9c0, receiver=0x1333090) at kernel/qcoreapplication.h:231
#25 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x1052600) at kernel/qcoreapplication.cpp:1500
#26 0x0000003494fa7923 in sendPostedEvents () at kernel/qcoreapplication.h:236
#27 postEventSourceDispatch (s=0x1088610) at kernel/qeventdispatcher_glib.cpp:279
#28 0x0000003da2a44a7d in g_main_dispatch (context=0x1085ce0) at gmain.c:2425
#29 g_main_context_dispatch (context=0x1085ce0) at gmain.c:2995
#30 0x0000003da2a45278 in g_main_context_iterate (context=0x1085ce0, block=<optimized out>, dispatch=1, self=<optimized out>) at gmain.c:3073
#31 0x0000003da2a4544c in g_main_context_iteration (context=0x1085ce0, may_block=1) at gmain.c:3136
#32 0x0000003494fa7d4f in QEventDispatcherGlib::processEvents (this=0x1081b30, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#33 0x000000349686c61e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:207
#34 0x0000003494f78172 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#35 0x0000003494f783c7 in QEventLoop::exec (this=0x7fff05d17540, flags=...) at kernel/qeventloop.cpp:204
#36 0x0000003494f7cdc5 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#37 0x00000000004097c7 in ?? ()
#38 0x0000003da0a2169d in __libc_start_main (main=0x409180, argc=1, ubp_av=0x7fff05d17968, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff05d17958) at libc-start.c:226
#39 0x00000000004098a5 in _start ()

Possible duplicates by query: bug 290055, bug 289453, bug 289341, bug 288597, bug 286234.

Reported using DrKonqi