Bug 315819

Application: kded4 ($Id$)
KDE Platform Version: 4.10.00
Qt Version: 4.8.4
Operating System: Linux 3.7.0-030700-generic x86_64
Distribution: Ubuntu Raring Ringtail (development branch)

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

No idea what crashed. I just booted up computer and run my start script that starts several programs.

-- 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 0x7f1f0df0f7c0 (LWP 2360))]

Thread 4 (Thread 0x7f1eeffff700 (LWP 2423)):
#0  0x00007f1f108eb07f in __pthread_mutex_unlock_usercnt (mutex=0x7f1ee8000a60, decr=<optimized out>) at pthread_mutex_unlock.c:52
#1  0x00007f1f102528b1 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1f10212873 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1f1021307e in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f1f10213284 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f1f144fd026 in QEventDispatcherGlib::processEvents (this=0x7f1ee80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007f1f144cd37f in QEventLoop::processEvents (this=this@entry=0x7f1eefffed90, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f1f144cd608 in QEventLoop::exec (this=0x7f1eefffed90, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f1f143cf410 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
#9  0x00007f1f144aeecf in QInotifyFileSystemWatcherEngine::run (this=0x18d9ac0) at io/qfilesystemwatcher_inotify.cpp:256
#10 0x00007f1f143d1bec in QThreadPrivate::start (arg=0x18d9ac0) at thread/qthread_unix.cpp:338
#11 0x00007f1f108e7f8e in start_thread (arg=0x7f1eeffff700) at pthread_create.c:311
#12 0x00007f1f130d7e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 3 (Thread 0x7f1eef7fe700 (LWP 2458)):
#0  0x00007f1f108ea075 in __GI___pthread_mutex_lock (mutex=0x7f1ee0000a60) at pthread_mutex_lock.c:95
#1  0x00007f1f10252881 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1f10212d66 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1f102131c8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f1f10213284 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f1f144fd026 in QEventDispatcherGlib::processEvents (this=0x7f1ee00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007f1f144cd37f in QEventLoop::processEvents (this=this@entry=0x7f1eef7fdd80, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f1f144cd608 in QEventLoop::exec (this=0x7f1eef7fdd80, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f1f143cf410 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
#9  0x00007f1ef8d976e5 in KCupsConnection::run() () from /usr/lib/libkcupslib.so
#10 0x00007f1f143d1bec in QThreadPrivate::start (arg=0x1b2e750) at thread/qthread_unix.cpp:338
#11 0x00007f1f108e7f8e in start_thread (arg=0x7f1eef7fe700) at pthread_create.c:311
#12 0x00007f1f130d7e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 2 (Thread 0x7f1eeeffd700 (LWP 2459)):
#0  0x00007f1f102130c1 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f1f10213284 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1f144fd026 in QEventDispatcherGlib::processEvents (this=0x7f1ee40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#3  0x00007f1f144cd37f in QEventLoop::processEvents (this=this@entry=0x7f1eeeffcdc0, flags=...) at kernel/qeventloop.cpp:149
#4  0x00007f1f144cd608 in QEventLoop::exec (this=0x7f1eeeffcdc0, flags=...) at kernel/qeventloop.cpp:204
#5  0x00007f1f143cf410 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
#6  0x00007f1f143d1bec in QThreadPrivate::start (arg=0x1be34b0) at thread/qthread_unix.cpp:338
#7  0x00007f1f108e7f8e in start_thread (arg=0x7f1eeeffd700) at pthread_create.c:311
#8  0x00007f1f130d7e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 1 (Thread 0x7f1f0df0f7c0 (LWP 2360)):
[KCrash Handler]
#6  KScreen::Mode::size (this=0x0) at /build/buildd/libkscreen-0.0.71/src/mode.cpp:84
#7  0x00007f1ef9a64d40 in Generator::biggestOutput (this=this@entry=0x1af7cb0, outputs=...) at /build/buildd/kscreen-0.0.71/kded/generator.cpp:369
#8  0x00007f1ef9a65171 in Generator::extendToRight (this=this@entry=0x1af7cb0, outputs=...) at /build/buildd/kscreen-0.0.71/kded/generator.cpp:311
#9  0x00007f1ef9a66885 in Generator::laptop (this=0x1af7cb0, outputs=...) at /build/buildd/kscreen-0.0.71/kded/generator.cpp:256
#10 0x00007f1ef9a67075 in Generator::idealConfig (this=0x1af7cb0) at /build/buildd/kscreen-0.0.71/kded/generator.cpp:79
#11 0x00007f1ef9a5fce7 in KScreenDaemon::lidClosedChanged (this=0x1ad9110, lidIsClosed=<optimized out>) at /build/buildd/kscreen-0.0.71/kded/daemon.cpp:154
#12 0x00007f1f144e30df in QMetaObject::activate (sender=0x18dd9a0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff4c9027a0) at kernel/qobject.cpp:3539
#13 0x00007f1ef9a5e9d0 in Device::lidIsClosedChanged (this=<optimized out>, _t1=true, _t2=false) at /build/buildd/kscreen-0.0.71/obj-x86_64-linux-gnu/kded/moc_device.cpp:120
#14 0x00007f1ef9a68572 in Device::isLidClosedFetched (this=0x18dd9a0, watcher=0x1e3c0e0) at /build/buildd/kscreen-0.0.71/kded/device.cpp:145
#15 0x00007f1f144e30df in QMetaObject::activate (sender=0x1e3c0e0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff4c9029f0) at kernel/qobject.cpp:3539
#16 0x00007f1f118c93ef in QDBusPendingCallWatcher::finished (this=<optimized out>, _t1=0x1e3c0e0) at .moc/release-shared/moc_qdbuspendingcall.cpp:106
#17 0x00007f1f144e85ae in QObject::event (this=0x1e3c0e0, e=<optimized out>) at kernel/qobject.cpp:1194
#18 0x00007f1f138748ec in QApplicationPrivate::notify_helper (this=this@entry=0x18eda30, receiver=receiver@entry=0x1e3c0e0, e=e@entry=0x1d624f0) at kernel/qapplication.cpp:4567
#19 0x00007f1f1387725b in QApplication::notify (this=0x7fff4c903570, receiver=0x1e3c0e0, e=0x1d624f0) at kernel/qapplication.cpp:4428
#20 0x00007f1f15251666 in KApplication::notify (this=0x7fff4c903570, receiver=0x1e3c0e0, event=0x1d624f0) at ../../kdeui/kernel/kapplication.cpp:311
#21 0x00007f1f144ce62e in QCoreApplication::notifyInternal (this=0x7fff4c903570, receiver=receiver@entry=0x1e3c0e0, event=event@entry=0x1d624f0) at kernel/qcoreapplication.cpp:946
#22 0x00007f1f144d2161 in sendEvent (event=0x1d624f0, receiver=0x1e3c0e0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#23 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x184b150) at kernel/qcoreapplication.cpp:1570
#24 0x00007f1f144fce73 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#25 postEventSourceDispatch (s=0x18edea0) at kernel/qeventdispatcher_glib.cpp:279
#26 0x00007f1f10212e85 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#27 0x00007f1f102131c8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#28 0x00007f1f10213284 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#29 0x00007f1f144fd006 in QEventDispatcherGlib::processEvents (this=0x184d670, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#30 0x00007f1f1391a1ae in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#31 0x00007f1f144cd37f in QEventLoop::processEvents (this=this@entry=0x7fff4c9032f0, flags=...) at kernel/qeventloop.cpp:149
#32 0x00007f1f144cd608 in QEventLoop::exec (this=0x7fff4c9032f0, flags=...) at kernel/qeventloop.cpp:204
#33 0x00007f1f144d2ce6 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#34 0x00007f1f0023d050 in kdemain (argc=1, argv=0x1881bc0) at ../../kded/kded.cpp:924
#35 0x00000000004084ea in launch (argc=argc@entry=1, _name=_name@entry=0x40b166 "kded4", args=args@entry=0x0, cwd=cwd@entry=0x0, envc=envc@entry=0, envs=<optimized out>, envs@entry=0x0, reset_env=reset_env@entry=false, tty=tty@entry=0x0, avoid_loops=avoid_loops@entry=false, startup_id_str=startup_id_str@entry=0x40b04e "0") at ../../kinit/kinit.cpp:738
#36 0x0000000000405b69 in main (argc=4, argv=<optimized out>, envp=0x7fff4c903f70) at ../../kinit/kinit.cpp:1853

Reported using DrKonqi