Application that crashed: plasma-desktop
Version of the application: 0.3
KDE Version: 4.3.2 (KDE 4.3.2)
Qt Version: 4.5.2
Operating System: Linux 2.6.31-17-generic i686
Distribution: Ubuntu 9.10

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0xb77c0700 (LWP 2997))]

Thread 2 (Thread 0xac704b70 (LWP 3000)):
#0  0x00fa7422 in __kernel_vsyscall ()
#1  0x0087fe15 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0x0068187d in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
#3  0x0099ee67 in QWaitConditionPrivate::wait (this=0x9811970, mutex=0x981196c, time=4294967295) at thread/qwaitcondition_unix.cpp:87
#4  QWaitCondition::wait (this=0x9811970, mutex=0x981196c, time=4294967295) at thread/qwaitcondition_unix.cpp:159
#5  0x00e80922 in QHostInfoAgent::run (this=0x9811960) at kernel/qhostinfo.cpp:260
#6  0x0099de32 in QThreadPrivate::start (arg=0x9811960) at thread/qthread_unix.cpp:188
#7  0x0087b80e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#8  0x006748de in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb77c0700 (LWP 2997)):
[KCrash Handler]
#6  0x00137d57 in XVisualIDFromVisual () from /usr/lib/libX11.so.6
#7  0x05c1870e in qt_x11_getX11InfoForWindow (xinfo=0xac4467c, a=...) at kernel/qwidget_x11.cpp:400
#8  0x05c1fb4e in QWidgetPrivate::create_sys (this=0xac44588, window=29489301, initializeWindow=true, destroyOldWindow=true) at kernel/qwidget_x11.cpp:545
#9  0x05be0b1c in QWidget::create (this=0xac44568, window=29489301, initializeWindow=true, destroyOldWindow=<value optimized out>) at kernel/qwidget.cpp:1253
#10 0x018efc1e in ?? () from /usr/lib/kde4/plasma_applet_systemtray.so
#11 0x018eb3f0 in ?? () from /usr/lib/kde4/plasma_applet_systemtray.so
#12 0x018eb4cb in ?? () from /usr/lib/kde4/plasma_applet_systemtray.so
#13 0x00aa4263 in QMetaObject::activate (sender=0xac38e18, from_signal_index=4, to_signal_index=4, argv=0x0) at kernel/qobject.cpp:3113
#14 0x00aa4ec2 in QMetaObject::activate (sender=0xac38e18, m=0xb7e908, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3187
#15 0x00aa9387 in QSingleShotTimer::timeout (this=0xac38e18) at .moc/release-shared/qtimer.moc:76
#16 0x00aa949c in QSingleShotTimer::timerEvent (this=0xac38e18) at kernel/qtimer.cpp:298
#17 0x00a9e3bf in QObject::event (this=0xac38e18, e=0xbfefa070) at kernel/qobject.cpp:1075
#18 0x05b89f54 in QApplicationPrivate::notify_helper (this=0x91e7dd8, receiver=0xac38e18, e=0xbfefa070) at kernel/qapplication.cpp:4056
#19 0x05b9167c in QApplication::notify (this=0x91c0f00, receiver=0xac38e18, e=0xbfefa070) at kernel/qapplication.cpp:3603
#20 0x0117abfa in KApplication::notify (this=0x91c0f00, receiver=0xac38e18, event=0xbfefa070) at ../../kdeui/kernel/kapplication.cpp:302
#21 0x00a8e6cb in QCoreApplication::notifyInternal (this=0x91c0f00, receiver=0xac38e18, event=0xbfefa070) at kernel/qcoreapplication.cpp:610
#22 0x00abb7ce in QCoreApplication::sendEvent (this=0x91ea58c) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#23 QTimerInfoList::activateTimers (this=0x91ea58c) at kernel/qeventdispatcher_unix.cpp:572
#24 0x00ab90e0 in timerSourceDispatch (source=0x91ea558) at kernel/qeventdispatcher_glib.cpp:165
#25 0x007cbe88 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#26 0x007cf730 in ?? () from /lib/libglib-2.0.so.0
#27 0x007cf863 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#28 0x00ab902c in QEventDispatcherGlib::processEvents (this=0x91e7bc8, flags=...) at kernel/qeventdispatcher_glib.cpp:327
#29 0x05c2abe5 in QGuiEventDispatcherGlib::processEvents (this=0x91e7bc8, flags=...) at kernel/qguieventdispatcher_glib.cpp:202
#30 0x00a8cc79 in QEventLoop::processEvents (this=0xbfefa334, flags=) at kernel/qeventloop.cpp:149
#31 0x00a8d0ca in QEventLoop::exec (this=0xbfefa334, flags=...) at kernel/qeventloop.cpp:201
#32 0x00a8f53f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#33 0x05b89dd7 in QApplication::exec () at kernel/qapplication.cpp:3525
#34 0x04fc580d in kdemain () from /usr/lib/libkdeinit4_plasma-desktop.so
#35 0x0804dde1 in launch (argc=<value optimized out>, _name=<value optimized out>, args=<value optimized out>, cwd=0x0, envc=0, envs=0x91a1318 "", reset_env=false, tty=0x0, avoid_loops=false, 
    startup_id_str=0x80511a5 "0") at ../../kinit/kinit.cpp:677
#36 0x0804ea35 in handle_launcher_request (sock=<value optimized out>, who=<value optimized out>) at ../../kinit/kinit.cpp:1169
#37 0x0804eeac in handle_requests (waitForPid=<value optimized out>) at ../../kinit/kinit.cpp:1362
#38 0x0804fbaf in main (argc=2, argv=0xbfefab94, envp=0xbfefaba0) at ../../kinit/kinit.cpp:1793

This bug may be a duplicate of or related to bug 208458

Reported using DrKonqi