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 2.6.31-17-generic x86_64
Distribution: Ubuntu 9.10

-- Information about the crash:
the computer was running left alone for about an hour... when coming back to the computer after a few seconds (of no real events just mouse movement) it crashed. 
the comptuer was running dolphin and firefox (left open) durring that time

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
The current source language is "auto; currently c".
[Current thread is 1 (Thread 0x7f1bbe97a7f0 (LWP 2399))]

Thread 2 (Thread 0x7f1b9d6aa910 (LWP 2410)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:261
#1  0x00007f1bbce5e67b in QWaitConditionPrivate::wait (this=<value optimized out>, mutex=0x1eeb1a8, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:87
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x1eeb1a8, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:159
#3  0x00007f1bbb61a3ec in QHostInfoAgent::run (this=0x1eeb190) at kernel/qhostinfo.cpp:252
#4  0x00007f1bbce5d6c5 in QThreadPrivate::start (arg=0x1eeb190) at thread/qthread_unix.cpp:244
#5  0x00007f1bbcbcea04 in start_thread (arg=<value optimized out>) at pthread_create.c:300
#6  0x00007f1bbb99980d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f1bbe97a7f0 (LWP 2399)):
[KCrash Handler]
#5  QGraphicsScenePrivate::processDirtyItemsRecursive (this=0x1838cf0, item=0x18c5da0, dirtyAncestorContainsChildren=false, parentOpacity=0) at graphicsview/qgraphicsscene.cpp:4895
#6  0x00007f1bbc71931d in QGraphicsScenePrivate::_q_processDirtyItems (this=0x1838cf0) at graphicsview/qgraphicsscene.cpp:466
#7  0x00007f1bbc719962 in QGraphicsScene::qt_metacall (this=0x181a500, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x2e023a0) at .moc/release-shared/moc_qgraphicsscene.cpp:130
#8  0x00007f1bb512d125 in Plasma::Corona::qt_metacall (this=0x1838cf0, _c=25976224, _id=0, _a=0x0) at ./corona.moc:107
#9  0x00007f1bb2039ec3 in DesktopCorona::qt_metacall (this=0x1838cf0, _c=25976224, _id=0, _a=0x0) at ./desktopcorona.moc:78
#10 0x00007f1bbcf60d19 in QObject::event (this=0x181a500, e=0x25b9130) at kernel/qobject.cpp:1260
#11 0x00007f1bbc715970 in QGraphicsScene::event (this=0x181a500, event=0x25b9130) at graphicsview/qgraphicsscene.cpp:3450
#12 0x00007f1bbc0f6e8c in QApplicationPrivate::notify_helper (this=0x177f000, receiver=0x181a500, e=0x25b9130) at kernel/qapplication.cpp:4242
#13 0x00007f1bbc0fd48d in QApplication::notify (this=0x1754c70, receiver=0x181a500, e=0x25b9130) at kernel/qapplication.cpp:4125
#14 0x00007f1bbd4961e6 in KApplication::notify (this=0x1754c70, receiver=0x181a500, event=0x25b9130) at ../../kdeui/kernel/kapplication.cpp:302
#15 0x00007f1bbcf5104c in QCoreApplication::notifyInternal (this=0x1754c70, receiver=0x181a500, event=0x25b9130) at kernel/qcoreapplication.cpp:704
#16 0x00007f1bbcf537c7 in QCoreApplication::sendEvent (receiver=0x0, event_type=<value optimized out>, data=0x16f3da0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#17 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=<value optimized out>, data=0x16f3da0) at kernel/qcoreapplication.cpp:1345
#18 0x00007f1bbcf7aae3 in QCoreApplication::sendPostedEvents (s=<value optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#19 postEventSourceDispatch (s=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:276
#20 0x00007f1bb837fbce in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#21 0x00007f1bb8383598 in ?? () from /lib/libglib-2.0.so.0
#22 0x00007f1bb83836c0 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#23 0x00007f1bbcf7a623 in QEventDispatcherGlib::processEvents (this=0x16f53f0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:407
#24 0x00007f1bbc1a52fe in QGuiEventDispatcherGlib::processEvents (this=0x1838cf0, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#25 0x00007f1bbcf4f972 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#26 0x00007f1bbcf4fd4c in QEventLoop::exec (this=0x7fff979edd30, flags=) at kernel/qeventloop.cpp:201
#27 0x00007f1bbcf53a8b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#28 0x00007f1bb2040eb2 in kdemain (argc=<value optimized out>, argv=<value optimized out>) at ../../../../plasma/desktop/shell/main.cpp:112
#29 0x0000000000406fb8 in launch (argc=1, _name=<value optimized out>, args=<value optimized out>, cwd=<value optimized out>, envc=0, envs=<value optimized out>, reset_env=false, tty=0x0, 
    avoid_loops=false, startup_id_str=0x40a4a1 "0") at ../../kinit/kinit.cpp:706
#30 0x0000000000407c70 in handle_launcher_request (sock=7, who=<value optimized out>) at ../../kinit/kinit.cpp:1198
#31 0x0000000000408121 in handle_requests (waitForPid=0) at ../../kinit/kinit.cpp:1391
#32 0x0000000000408dea in main (argc=4, argv=<value optimized out>, envp=<value optimized out>) at ../../kinit/kinit.cpp:1830
The current source language is "auto; currently asm".
The current source language is "auto; currently c".

This bug may be a duplicate of or related to bug 218931, bug 211183.

Possible duplicates by query: bug 225106, bug 224801, bug 224787, bug 224660, bug 224538.

Reported using DrKonqi