Application: plasma-desktop (0.4)
KDE Platform Version: 4.8.5 (4.8.5)
Qt Version: 4.8.1
Operating System: Linux 3.2.0-33-generic x86_64
Distribution: Ubuntu 12.04.1 LTS

-- Information about the crash:
- What I was doing when the application crashed:
Simply instructed the computer to reboot after normal package upgrades. The crash handler is displayed once the desktop is displayed.

The crash can be reproduced some of the time.

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Aborted
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f79261777c0 (LWP 2419))]

Thread 6 (Thread 0x7f78fa293700 (LWP 2423)):
#0  0x00007f7925a4a303 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f7919bf9036 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f7919bf9164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f7922c1b426 in QEventDispatcherGlib::processEvents (this=0x7f78f40008e0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f7922beac82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f7922beaed7 in QEventLoop::exec (this=0x7f78fa292cd0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f7922ae9fa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007f7922bca9ff in QInotifyFileSystemWatcherEngine::run (this=0x38301a0) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f7922aecfcb in QThreadPrivate::start (arg=0x38301a0) at thread/qthread_unix.cpp:298
#9  0x00007f7916ef2b74 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#10 0x00007f791a4fde9a in start_thread (arg=0x7f78fa293700) at pthread_create.c:308
#11 0x00007f7925a55cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7f78f3da0700 (LWP 2425)):
#0  0x00007f791a50105d in __pthread_mutex_unlock_usercnt (mutex=<optimized out>, decr=<optimized out>) at pthread_mutex_unlock.c:52
#1  __pthread_mutex_unlock (mutex=0x7f78e8000a80) at pthread_mutex_unlock.c:290
#2  0x00007f7919c345d1 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f7919bf883b in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f7919bf8f5b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f7919bf9164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f7922c1b426 in QEventDispatcherGlib::processEvents (this=0x7f78e80008e0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#7  0x00007f7922beac82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#8  0x00007f7922beaed7 in QEventLoop::exec (this=0x7f78f3d9fcd0, flags=...) at kernel/qeventloop.cpp:204
#9  0x00007f7922ae9fa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#10 0x00007f7922bca9ff in QInotifyFileSystemWatcherEngine::run (this=0x38dd710) at io/qfilesystemwatcher_inotify.cpp:248
#11 0x00007f7922aecfcb in QThreadPrivate::start (arg=0x38dd710) at thread/qthread_unix.cpp:298
#12 0x00007f7916ef2b74 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#13 0x00007f791a4fde9a in start_thread (arg=0x7f78f3da0700) at pthread_create.c:308
#14 0x00007f7925a55cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#15 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7f78f32ba700 (LWP 2426)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f791f9cf222 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007f791f9cf259 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007f7916ef2b74 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#4  0x00007f791a4fde9a in start_thread (arg=0x7f78f32ba700) at pthread_create.c:308
#5  0x00007f7925a55cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f78e77fe700 (LWP 2428)):
#0  0x00007f791a50105d in __pthread_mutex_unlock_usercnt (mutex=<optimized out>, decr=<optimized out>) at pthread_mutex_unlock.c:52
#1  __pthread_mutex_unlock (mutex=0x7f78e000c630) at pthread_mutex_unlock.c:290
#2  0x00007f7919c345d1 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f7919bf883b in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f7919bf8f5b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f7919bf949a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f78f0491406 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#7  0x00007f7919c1a9e5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007f7916ef2b74 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#9  0x00007f791a4fde9a in start_thread (arg=0x7f78e77fe700) at pthread_create.c:308
#10 0x00007f7925a55cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f78d6528700 (LWP 2533)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f7922aed4db in wait (time=18446744073709551615, this=0x4c9fb10) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x47b12b0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f79042eb372 in meth_QWaitCondition_wait (sipSelf=<QWaitCondition at remote 0x4bd6670>, sipArgs=(<QMutex at remote 0x4bd6440>,), sipKwds=<optimized out>) at sipQtCorepart1.cpp:6650
#4  0x00007f7904f3f845 in PyEval_EvalFrameEx () from /usr/lib/libpython2.7.so.1.0
#5  0x00007f7904f0a605 in PyEval_EvalCodeEx () from /usr/lib/libpython2.7.so.1.0
#6  0x00007f7904f0a7bd in function_call () from /usr/lib/libpython2.7.so.1.0
#7  0x00007f7904feee83 in PyObject_Call () from /usr/lib/libpython2.7.so.1.0
#8  0x00007f7904fd31cf in instancemethod_call.8746 () from /usr/lib/libpython2.7.so.1.0
#9  0x00007f7904feee83 in PyObject_Call () from /usr/lib/libpython2.7.so.1.0
#10 0x00007f7904fef7d7 in PyEval_CallObjectWithKeywords () from /usr/lib/libpython2.7.so.1.0
#11 0x00007f790402f972 in sip_api_call_method (isErr=0x0, method=<instancemethod at remote 0x44fd870>, fmt=0x7f79043d8eb3 "") at /build/buildd/sip4-4.13.2/siplib/siplib.c:1751
#12 0x00007f79042d2d50 in sipVH_QtCore_11 (sipGILState=PyGILState_UNLOCKED, sipMethod=<instancemethod at remote 0x44fd870>) at sipQtCorepart0.cpp:4452
#13 0x00007f790430878f in sipQThread::run (this=0x4c351b0) at sipQtCorepart2.cpp:2900
#14 0x00007f7922aecfcb in QThreadPrivate::start (arg=0x4c351b0) at thread/qthread_unix.cpp:298
#15 0x00007f7916ef2b74 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#16 0x00007f791a4fde9a in start_thread (arg=0x7f78d6528700) at pthread_create.c:308
#17 0x00007f7925a55cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#18 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f79261777c0 (LWP 2419)):
[KCrash Handler]
#6  0x00007f7925998425 in __GI_raise (sig=<optimized out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
#7  0x00007f792599bb8b in __GI_abort () at abort.c:91
#8  0x00007f7904f8ca7e in Py_FatalError () from /usr/lib/libpython2.7.so.1.0
#9  0x00007f79050014db in PyGILState_Release () from /usr/lib/libpython2.7.so.1.0
#10 0x00007f79042d2ba7 in sipVH_QtCore_18 (sipGILState=PyGILState_LOCKED, sipMethod=<instancemethod at remote 0x2ebf640>, a0=<optimized out>, a1=<optimized out>) at sipQtCorepart0.cpp:4567
#11 0x00007f79043ac157 in sipQObject::eventFilter (this=0x3f7ac20, a0=0x4a68310, a1=0x7fff99924460) at sipQtCorepart8.cpp:13551
#12 0x00007f7922bec028 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<optimized out>, receiver=0x4a68310, event=0x7fff99924460) at kernel/qcoreapplication.cpp:986
#13 0x00007f7921f6e85f in notify_helper (e=0x7fff99924460, receiver=0x4a68310, this=0x2641af0) at kernel/qapplication.cpp:4555
#14 QApplicationPrivate::notify_helper (this=0x2641af0, receiver=0x4a68310, e=0x7fff99924460) at kernel/qapplication.cpp:4531
#15 0x00007f7921f73713 in QApplication::notify (this=0x25e35a0, receiver=0x4a68310, e=0x7fff99924460) at kernel/qapplication.cpp:4420
#16 0x00007f79238ce3f6 in KApplication::notify (this=0x25e35a0, receiver=0x4a68310, event=0x7fff99924460) at ../../kdeui/kernel/kapplication.cpp:311
#17 0x00007f7922bebe9c in QCoreApplication::notifyInternal (this=0x25e35a0, receiver=0x4a68310, event=0x7fff99924460) at kernel/qcoreapplication.cpp:876
#18 0x00007f79225acc2a in sendEvent (event=0x7fff99924460, receiver=0x4a68310) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#19 QGraphicsWidget::setGeometry (this=0x4a68310, rect=...) at graphicsview/qgraphicswidget.cpp:407
#20 0x00007f7903300b13 in sipPlasma_Slider::setGeometry (this=0x4a68310, a0=...) at sip/plasma/sipplasmapart1.cpp:35600
#21 0x00007f792257339a in QGraphicsProxyWidgetPrivate::updateProxyGeometryFromWidget (this=0x4a683a0) at graphicsview/qgraphicsproxywidget.cpp:455
#22 0x00007f7922573486 in QGraphicsProxyWidget::eventFilter (this=0x4a68310, object=0x4a6fdd0, event=0x7fff99924c20) at graphicsview/qgraphicsproxywidget.cpp:951
#23 0x00007f7903309206 in eventFilter (a1=0x7fff99924c20, a0=0x4a6fdd0, this=0x4a68310) at sip/plasma/sipplasmapart1.cpp:35680
#24 sipPlasma_Slider::eventFilter (this=0x4a68310, a0=0x4a6fdd0, a1=0x7fff99924c20) at sip/plasma/sipplasmapart1.cpp:35672
#25 0x00007f7922bec028 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<optimized out>, receiver=0x4a6fdd0, event=0x7fff99924c20) at kernel/qcoreapplication.cpp:986
#26 0x00007f7921f6e85f in notify_helper (e=0x7fff99924c20, receiver=0x4a6fdd0, this=0x2641af0) at kernel/qapplication.cpp:4555
#27 QApplicationPrivate::notify_helper (this=0x2641af0, receiver=0x4a6fdd0, e=0x7fff99924c20) at kernel/qapplication.cpp:4531
#28 0x00007f7921f73713 in QApplication::notify (this=0x25e35a0, receiver=0x4a6fdd0, e=0x7fff99924c20) at kernel/qapplication.cpp:4420
#29 0x00007f79238ce3f6 in KApplication::notify (this=0x25e35a0, receiver=0x4a6fdd0, event=0x7fff99924c20) at ../../kdeui/kernel/kapplication.cpp:311
#30 0x00007f7922bebe9c in QCoreApplication::notifyInternal (this=0x25e35a0, receiver=0x4a6fdd0, event=0x7fff99924c20) at kernel/qcoreapplication.cpp:876
#31 0x00007f7921fde24a in sendSpontaneousEvent (event=0x7fff99924c20, receiver=0x4a6fdd0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:234
#32 QETWidget::translateConfigEvent (this=0x4a6fdd0, event=<optimized out>) at kernel/qapplication_x11.cpp:5764
#33 0x00007f7921fed87d in QApplication::x11ProcessEvent (this=0x25e35a0, event=0x7fff999255f0) at kernel/qapplication_x11.cpp:3637
#34 0x00007f79220170d2 in x11EventSourceDispatch (s=0x263ed20, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#35 0x00007f7919bf8d53 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#36 0x00007f7919bf90a0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#37 0x00007f7919bf9164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#38 0x00007f7922c1b3bf in QEventDispatcherGlib::processEvents (this=0x2544ad0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#39 0x00007f7922016d5e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#40 0x00007f7922beac82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#41 0x00007f7922beaed7 in QEventLoop::exec (this=0x7fff99925990, flags=...) at kernel/qeventloop.cpp:204
#42 0x00007f7922beff67 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#43 0x00007f7925d62a13 in kdemain (argc=1, argv=0x7fff99925d78) at ../../../../plasma/desktop/shell/main.cpp:120
#44 0x00007f792598376d in __libc_start_main (main=0x400640 <main(int, char**)>, argc=1, ubp_av=0x7fff99925d78, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff99925d68) at libc-start.c:226
#45 0x0000000000400671 in _start ()

This bug may be a duplicate of or related to bug 290917.

Possible duplicates by query: bug 307941, bug 307001, bug 290917.

Reported using DrKonqi