Bug 308784

Application: kded4 ($Id$)
KDE Platform Version: 4.8.5 (4.8.5) (Compiled from sources)
Qt Version: 4.8.1
Operating System: Linux 3.2.0-23-generic x86_64
Distribution: Linux Mint 13 Maya

-- Information about the crash:
- What I was doing when the application crashed:
restarted system to recovery
- Unusual behavior I noticed:
desktop not respondind
- Custom settings of the application:
panels was acting buggy and went to recovery then redtarted and when it restarted it indicated the crash

The crash can be reproduced some of the time.

-- Backtrace:
Application: KDE Daemon (kdeinit4), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f83f3daf780 (LWP 1799))]

Thread 3 (Thread 0x7f83d83c1700 (LWP 1802)):
#0  0x00007f83eefc605d in __pthread_mutex_unlock_usercnt (mutex=<optimized out>, decr=<optimized out>) at pthread_mutex_unlock.c:52
#1  __pthread_mutex_unlock (mutex=0x7f83d0000a60) at pthread_mutex_unlock.c:290
#2  0x00007f83ee7275d1 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f83ee6eb98b in g_main_context_query () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f83ee6ebfaa in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f83ee6ec164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f83f2a28426 in QEventDispatcherGlib::processEvents (this=0x7f83d00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#7  0x00007f83f29f7c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#8  0x00007f83f29f7ed7 in QEventLoop::exec (this=0x7f83d83c0e00, flags=...) at kernel/qeventloop.cpp:204
#9  0x00007f83f28f6fa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#10 0x00007f83f28f9fcb in QThreadPrivate::start (arg=0x1292e80) at thread/qthread_unix.cpp:298
#11 0x00007f83eefc2e9a in start_thread (arg=0x7f83d83c1700) at pthread_create.c:308
#12 0x00007f83f15e4cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#13 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f83d7bc0700 (LWP 1807)):
#0  0x00007f83f15d9303 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f83ee6ec036 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f83ee6ec164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f83f2a28426 in QEventDispatcherGlib::processEvents (this=0x7f83c80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f83f29f7c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f83f29f7ed7 in QEventLoop::exec (this=0x7f83d7bbfdd0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f83f28f6fa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007f83f29d79ff in QInotifyFileSystemWatcherEngine::run (this=0x12e86d0) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f83f28f9fcb in QThreadPrivate::start (arg=0x12e86d0) at thread/qthread_unix.cpp:298
#9  0x00007f83eefc2e9a in start_thread (arg=0x7f83d7bc0700) at pthread_create.c:308
#10 0x00007f83f15e4cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f83f3daf780 (LWP 1799)):
[KCrash Handler]
#6  0x00007f83d5cd7cd6 in SecretStorage::walletOpenedForRead(bool) () from /usr/lib/libknmservice.so.4
#7  0x00007f83f2a0d281 in QMetaObject::activate (sender=0x139b280, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fffb2f4e3c0) at kernel/qobject.cpp:3547
#8  0x00007f83f38aa5d2 in KWallet::Wallet::walletOpened (this=<optimized out>, _t1=true) at ./kwallet.moc:167
#9  0x00007f83f2a0d281 in QMetaObject::activate (sender=0x130c480, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fffb2f4e510) at kernel/qobject.cpp:3547
#10 0x00007f83f38dc0ff in OrgKdeKWalletInterface::walletAsyncOpened (this=<optimized out>, _t1=0, _t2=471837966) at kwallet_interface.moc:324
#11 0x00007f83f38de866 in OrgKdeKWalletInterface::qt_static_metacall (_o=0x130c480, _id=<optimized out>, _a=0x7fffb2f4ec70, _c=<optimized out>) at kwallet_interface.moc:162
#12 0x00007f83f38deb0b in OrgKdeKWalletInterface::qt_metacall (this=0x130c480, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fffb2f4ec70) at kwallet_interface.moc:287
#13 0x00007f83eff6237b in QDBusConnectionPrivate::deliverCall (this=0x10d4b50, object=0x130c480, msg=..., metaTypes=..., slotIdx=9) at qdbusintegrator.cpp:947
#14 0x00007f83f2a12446 in QObject::event (this=0x130c480, e=<optimized out>) at kernel/qobject.cpp:1195
#15 0x00007f83f1d7b894 in notify_helper (e=0x14c2770, receiver=0x130c480, this=0x10dc3c0) at kernel/qapplication.cpp:4559
#16 QApplicationPrivate::notify_helper (this=0x10dc3c0, receiver=0x130c480, e=0x14c2770) at kernel/qapplication.cpp:4531
#17 0x00007f83f1d80713 in QApplication::notify (this=0x7fffb2f4f670, receiver=0x130c480, e=0x14c2770) at kernel/qapplication.cpp:4420
#18 0x00007f83f37923f6 in KApplication::notify (this=0x7fffb2f4f670, receiver=0x130c480, event=0x14c2770) at ../../kdeui/kernel/kapplication.cpp:311
#19 0x00007f83f29f8e9c in QCoreApplication::notifyInternal (this=0x7fffb2f4f670, receiver=0x130c480, event=0x14c2770) at kernel/qcoreapplication.cpp:876
#20 0x00007f83f29fcc6a in sendEvent (event=0x14c2770, receiver=0x130c480) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#21 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x10472b0) at kernel/qcoreapplication.cpp:1500
#22 0x00007f83f2a27f93 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#23 postEventSourceDispatch (s=<optimized out>) at kernel/qeventdispatcher_glib.cpp:279
#24 0x00007f83ee6ebd53 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007f83ee6ec0a0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#26 0x00007f83ee6ec164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#27 0x00007f83f2a283bf in QEventDispatcherGlib::processEvents (this=0x10497d0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#28 0x00007f83f1e23d5e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#29 0x00007f83f29f7c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#30 0x00007f83f29f7ed7 in QEventLoop::exec (this=0x7fffb2f4f600, flags=...) at kernel/qeventloop.cpp:204
#31 0x00007f83f29fcf67 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#32 0x00007f83df286e55 in kdemain (argc=1, argv=0x1074860) at ../../kded/kded.cpp:924
#33 0x00000000004086a4 in launch (argc=1, _name=0x40b497 "kded4", args=<optimized out>, cwd=0x0, envc=<optimized out>, envs=<optimized out>, reset_env=false, tty=0x0, avoid_loops=false, startup_id_str=0x40b31e "0") at ../../kinit/kinit.cpp:746
#34 0x0000000000405a59 in main (argc=4, argv=0x7fff00000001, envp=0x7fffb2f50800) at ../../kinit/kinit.cpp:1861

Possible duplicates by query: bug 308665, bug 308587, bug 308434, bug 308360, bug 308276.

Reported using DrKonqi