Application: plasma-desktop (0.3)
KDE Platform Version: 4.3.90 (KDE 4.3.90 (KDE 4.4 RC1))
Qt Version: 4.6.0
Operating System: Linux 2.6.31-17-generic i686
Distribution: Ubuntu 9.10

-- Information about the crash:
I choose to restart Firefox, since new extensions had been installed. Shortly after Firefox closed, Plasma crashed.

 -- Backtrace:
Application: Plasma-Arbeitsfläche (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0xb789b700 (LWP 24745))]

Thread 4 (Thread 0xab709b70 (LWP 24746)):
#0  0x00629422 in __kernel_vsyscall ()
#1  0x00248e15 in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:122
#2  0x0105f307 in QWaitConditionPrivate::wait (this=0x990aa90, mutex=0x990aa8c, time=4294967295) at thread/qwaitcondition_unix.cpp:87
#3  QWaitCondition::wait (this=0x990aa90, mutex=0x990aa8c, time=4294967295) at thread/qwaitcondition_unix.cpp:159
#4  0x06ea1102 in QHostInfoAgent::run (this=0x990aa80) at kernel/qhostinfo.cpp:252
#5  0x0105e3ae in QThreadPrivate::start (arg=0x990aa80) at thread/qthread_unix.cpp:244
#6  0x0024480e in start_thread (arg=0xab709b70) at pthread_create.c:300
#7  0x004fc8de in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 3 (Thread 0xaa6f2b70 (LWP 24749)):
#0  0x00629422 in __kernel_vsyscall ()
#1  0x00248e15 in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:122
#2  0x030fd0d7 in WTF::TCMalloc_PageHeap::scavengerThread (this=0x3ed0ec0) at ../JavaScriptCore/wtf/FastMalloc.cpp:2299
#3  0x030fd121 in WTF::TCMalloc_PageHeap::runScavengerThread (context=0x3ed0ec0) at ../JavaScriptCore/wtf/FastMalloc.cpp:1433
#4  0x0024480e in start_thread (arg=0xaa6f2b70) at pthread_create.c:300
#5  0x004fc8de in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 2 (Thread 0xa9d72b70 (LWP 24750)):
#0  0x00629422 in __kernel_vsyscall ()
#1  0x00248e15 in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:122
#2  0x065acbb7 in WTF::TCMalloc_PageHeap::scavengerThread (this=0x66861a0) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2304
#3  0x065acc01 in WTF::TCMalloc_PageHeap::runScavengerThread (context=0x66861a0) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1438
#4  0x0024480e in start_thread (arg=0xa9d72b70) at pthread_create.c:300
#5  0x004fc8de in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 1 (Thread 0xb789b700 (LWP 24745)):
[KCrash Handler]
#6  QGraphicsScenePrivate::processDirtyItemsRecursive (this=0x8ff2d68, item=0xa2c1e98, dirtyAncestorContainsChildren=false, parentOpacity=1) at graphicsview/qgraphicsscene.cpp:4895
#7  0x01f02eed in QGraphicsScenePrivate::_q_processDirtyItems (this=0x8ff2d68) at graphicsview/qgraphicsscene.cpp:466
#8  0x01f034f6 in QGraphicsScene::qt_metacall (this=0x8ff2c08, _c=QMetaObject::InvokeMetaMethod, _id=14, _a=0x968d3e0) at .moc/release-shared/moc_qgraphicsscene.cpp:130
#9  0x051fa20a in Plasma::Corona::qt_metacall (this=0x8ff2c08, _c=QMetaObject::InvokeMetaMethod, _id=18, _a=0x968d3e0) at ./corona.moc:107
#10 0x014bdfaa in ?? () from /usr/lib/libkdeinit4_plasma-desktop.so
#11 0x0116511a in QMetaObject::metacall (object=0x8ff2c08, cl=QMetaObject::InvokeMetaMethod, idx=18, argv=0x0) at kernel/qmetaobject.cpp:237
#12 0x0116f856 in QMetaCallEvent::placeMetaCall (this=0x9a609a8, object=0x8ff2c08) at kernel/qobject.cpp:574
#13 0x011708ae in QObject::event (this=0x8ff2c08, e=0x9a609a8) at kernel/qobject.cpp:1260
#14 0x01eff1c4 in QGraphicsScene::event (this=0x8ff2c08, event=0x9a609a8) at graphicsview/qgraphicsscene.cpp:3450
#15 0x0185a19c in QApplicationPrivate::notify_helper (this=0x8f73248, receiver=0x8ff2c08, e=0x9a609a8) at kernel/qapplication.cpp:4242
#16 0x01860df7 in QApplication::notify (this=0x8f55a28, receiver=0x8ff2c08, e=0x9a609a8) at kernel/qapplication.cpp:3661
#17 0x00e2167a in KApplication::notify (this=0x8f55a28, receiver=0x8ff2c08, event=0x9a609a8) at ../../kdeui/kernel/kapplication.cpp:302
#18 0x0115feab in QCoreApplication::notifyInternal (this=0x8f55a28, receiver=0x8ff2c08, event=0x9a609a8) at kernel/qcoreapplication.cpp:704
#19 0x011628e3 in QCoreApplication::sendEvent (receiver=0x0, event_type=0, data=0x8f0b8a8) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#20 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x8f0b8a8) at kernel/qcoreapplication.cpp:1345
#21 0x01162a4d in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1238
#22 0x0118c0df in QCoreApplication::sendPostedEvents (s=0x8f75320) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#23 postEventSourceDispatch (s=0x8f75320) at kernel/qeventdispatcher_glib.cpp:276
#24 0x02b1ee88 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#25 0x02b22730 in ?? () from /lib/libglib-2.0.so.0
#26 0x02b22863 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#27 0x0118bbd5 in QEventDispatcherGlib::processEvents (this=0x8f72f40, flags=...) at kernel/qeventdispatcher_glib.cpp:407
#28 0x01917b75 in QGuiEventDispatcherGlib::processEvents (this=0x8f72f40, flags=...) at kernel/qguieventdispatcher_glib.cpp:202
#29 0x0115e4c9 in QEventLoop::processEvents (this=0xbfc2b034, flags=) at kernel/qeventloop.cpp:149
#30 0x0115e91a in QEventLoop::exec (this=0xbfc2b034, flags=...) at kernel/qeventloop.cpp:201
#31 0x01162b0f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#32 0x0185a237 in QApplication::exec () at kernel/qapplication.cpp:3570
#33 0x014c5c7e in kdemain () from /usr/lib/libkdeinit4_plasma-desktop.so
#34 0x0804dff7 in launch (argc=<value optimized out>, _name=<value optimized out>, args=<value optimized out>, cwd=0x0, envc=0, envs=0x8f44c88 "", reset_env=false, tty=0x0, avoid_loops=false, 
    startup_id_str=0x8051429 "0") at ../../kinit/kinit.cpp:706
#35 0x0804ec15 in handle_launcher_request (sock=<value optimized out>, who=<value optimized out>) at ../../kinit/kinit.cpp:1198
#36 0x0804f08c in handle_requests (waitForPid=<value optimized out>) at ../../kinit/kinit.cpp:1391
#37 0x0804fe27 in main (argc=4, argv=0xbfc2bae4, envp=0xbfc2baf8) at ../../kinit/kinit.cpp:1830

Possible duplicates by query: bug 222721, bug 222720, bug 222695, bug 222579, bug 222570.

Reported using DrKonqi