Application: plasma-desktop (0.3)
KDE Platform Version: 4.3.95 (KDE 4.3.95 (KDE 4.4 RC2))
Qt Version: 4.6.0
Operating System: Linux 2.6.31-18-generic i686
Distribution: Ubuntu 9.10

-- Information about the crash:
Plasma crashes often in the background. This is another traceback that i could fetch.

 -- Backtrace:
Application: Plasma-Arbeitsfläche (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0xb76c1760 (LWP 6851))]

Thread 5 (Thread 0xac21cb70 (LWP 6852)):
#0  0x00f78422 in __kernel_vsyscall ()
#1  0x003c9e15 in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:122
#2  0x00a8787d in __pthread_cond_wait (cond=0xa359cd8, mutex=0xa359cc0) at forward.c:139
#3  0x0517d307 in QWaitConditionPrivate::wait (this=0xa36e258, mutex=0xa36e254, time=4294967295) at thread/qwaitcondition_unix.cpp:87
#4  QWaitCondition::wait (this=0xa36e258, mutex=0xa36e254, time=4294967295) at thread/qwaitcondition_unix.cpp:159
#5  0x09849102 in QHostInfoAgent::run (this=0xa36e248) at kernel/qhostinfo.cpp:252
#6  0x0517c3ae in QThreadPrivate::start (arg=0xa36e248) at thread/qthread_unix.cpp:244
#7  0x003c580e in start_thread (arg=0xac21cb70) at pthread_create.c:300
#8  0x00a7a8de in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 4 (Thread 0xa7c8cb70 (LWP 6855)):
#0  0x00f78422 in __kernel_vsyscall ()
#1  0x003c9e15 in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:122
#2  0x00a8787d in __pthread_cond_wait (cond=0xd5628c, mutex=0xd56274) at forward.c:139
#3  0x00c77bb7 in WTF::TCMalloc_PageHeap::scavengerThread (this=0xd511a0) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2304
#4  0x00c77c01 in WTF::TCMalloc_PageHeap::runScavengerThread (context=0xd511a0) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1438
#5  0x003c580e in start_thread (arg=0xa7c8cb70) at pthread_create.c:300
#6  0x00a7a8de in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 3 (Thread 0xa597fb70 (LWP 7989)):
#0  0x00f78422 in __kernel_vsyscall ()
#1  0x003c9e15 in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:122
#2  0x00a8787d in __pthread_cond_wait (cond=0x7859fac, mutex=0x7859f94) at forward.c:139
#3  0x06a810d7 in WTF::TCMalloc_PageHeap::scavengerThread (this=0x7854ec0) at ../JavaScriptCore/wtf/FastMalloc.cpp:2299
#4  0x06a81121 in WTF::TCMalloc_PageHeap::runScavengerThread (context=0x7854ec0) at ../JavaScriptCore/wtf/FastMalloc.cpp:1433
#5  0x003c580e in start_thread (arg=0xa597fb70) at pthread_create.c:300
#6  0x00a7a8de in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 2 (Thread 0xa484eb70 (LWP 7992)):
#0  0x00f78422 in __kernel_vsyscall ()
#1  0x003ca142 in pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_timedwait.S:179
#2  0x00a878d4 in __pthread_cond_timedwait (cond=0xaaf3388, mutex=0xaaf3370, abstime=0xa484e250) at forward.c:152
#3  0x0517d28f in QWaitConditionPrivate::wait (this=0xaaf32d4, mutex=0xaaf32d0, time=30000) at thread/qwaitcondition_unix.cpp:85
#4  QWaitCondition::wait (this=0xaaf32d4, mutex=0xaaf32d0, time=30000) at thread/qwaitcondition_unix.cpp:159
#5  0x0517120b in QThreadPoolThread::run (this=0x9f56c18) at concurrent/qthreadpool.cpp:140
#6  0x0517c3ae in QThreadPrivate::start (arg=0x9f56c18) at thread/qthread_unix.cpp:244
#7  0x003c580e in start_thread (arg=0xa484eb70) at pthread_create.c:300
#8  0x00a7a8de in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 1 (Thread 0xb76c1760 (LWP 6851)):
[KCrash Handler]
#6  QGraphicsScenePrivate::processDirtyItemsRecursive (this=0x9caccf8, item=0xae69f38, dirtyAncestorContainsChildren=false, parentOpacity=1) at graphicsview/qgraphicsscene.cpp:4895
#7  0x01b0beed in QGraphicsScenePrivate::_q_processDirtyItems (this=0x9caccf8) at graphicsview/qgraphicsscene.cpp:466
#8  0x01b0c4f6 in QGraphicsScene::qt_metacall (this=0x9cea218, _c=QMetaObject::InvokeMetaMethod, _id=14, _a=0xae65478) at .moc/release-shared/moc_qgraphicsscene.cpp:130
#9  0x0072c68a in Plasma::Corona::qt_metacall (this=0x9cea218, _c=QMetaObject::InvokeMetaMethod, _id=18, _a=0xae65478) at ./corona.moc:107
#10 0x005cc5aa in DesktopCorona::qt_metacall (this=0x9cea218, _c=QMetaObject::InvokeMetaMethod, _id=18, _a=0xae65478) at ./desktopcorona.moc:78
#11 0x0528311a in QMetaObject::metacall (object=0x9cea218, cl=QMetaObject::InvokeMetaMethod, idx=18, argv=0xae65478) at kernel/qmetaobject.cpp:237
#12 0x0528d856 in QMetaCallEvent::placeMetaCall (this=0xae66a68, object=0x9cea218) at kernel/qobject.cpp:574
#13 0x0528e8ae in QObject::event (this=0x9cea218, e=0xae66a68) at kernel/qobject.cpp:1260
#14 0x01b081c4 in QGraphicsScene::event (this=0x9cea218, event=0xae66a68) at graphicsview/qgraphicsscene.cpp:3450
#15 0x0146319c in QApplicationPrivate::notify_helper (this=0x9cb8280, receiver=0x9cea218, e=0xae66a68) at kernel/qapplication.cpp:4242
#16 0x01469df7 in QApplication::notify (this=0x9ca2138, receiver=0x9cea218, e=0xae66a68) at kernel/qapplication.cpp:3661
#17 0x01156a1a in KApplication::notify (this=0x9ca2138, receiver=0x9cea218, event=0xae66a68) at ../../kdeui/kernel/kapplication.cpp:302
#18 0x0527deab in QCoreApplication::notifyInternal (this=0x9ca2138, receiver=0x9cea218, event=0xae66a68) at kernel/qcoreapplication.cpp:704
#19 0x052808e3 in QCoreApplication::sendEvent (receiver=0x0, event_type=0, data=0x9c8c990) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#20 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x9c8c990) at kernel/qcoreapplication.cpp:1345
#21 0x05280a4d in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1238
#22 0x052aa0df in QCoreApplication::sendPostedEvents (s=0x9cba690) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#23 postEventSourceDispatch (s=0x9cba690) at kernel/qeventdispatcher_glib.cpp:276
#24 0x05f34e88 in g_main_dispatch (context=0x9cba400) at /build/buildd/glib2.0-2.22.3/glib/gmain.c:1960
#25 IA__g_main_context_dispatch (context=0x9cba400) at /build/buildd/glib2.0-2.22.3/glib/gmain.c:2513
#26 0x05f38730 in g_main_context_iterate (context=0x9cba400, block=<value optimized out>, dispatch=1, self=0x9cb7d28) at /build/buildd/glib2.0-2.22.3/glib/gmain.c:2591
#27 0x05f38863 in IA__g_main_context_iteration (context=0x9cba400, may_block=1) at /build/buildd/glib2.0-2.22.3/glib/gmain.c:2654
#28 0x052a9bd5 in QEventDispatcherGlib::processEvents (this=0x9c8c4b0, flags=...) at kernel/qeventdispatcher_glib.cpp:407
#29 0x01520b75 in QGuiEventDispatcherGlib::processEvents (this=0x9c8c4b0, flags=...) at kernel/qguieventdispatcher_glib.cpp:202
#30 0x0527c4c9 in QEventLoop::processEvents (this=0xbfa740b4, flags=) at kernel/qeventloop.cpp:149
#31 0x0527c91a in QEventLoop::exec (this=0xbfa740b4, flags=...) at kernel/qeventloop.cpp:201
#32 0x05280b0f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#33 0x01463237 in QApplication::exec () at kernel/qapplication.cpp:3570
#34 0x005d41ee in kdemain (argc=1, argv=0xbfa742b4) at ../../../../plasma/desktop/shell/main.cpp:112
#35 0x080485cb in main (argc=1, argv=0xbfa742b4) at plasma-desktop_dummy.cpp:3

This bug may be a duplicate of or related to bug 210146.

Possible duplicates by query: bug 224471, bug 224426, bug 224273, bug 224186, bug 224174.

Reported using DrKonqi