Application: kwin (4.5.00 (KDE 4.5.0))
KDE Platform Version: 4.5.00 (KDE 4.5.0)
Qt Version: 4.7.0
Operating System: Linux 2.6.32-24ck-generic x86_64
Distribution: Ubuntu 10.04.1 LTS

-- Information about the crash:
- What I was doing when the application crashed:
log into a new user first time. First message   i get on the screen ist kwin crashed. After that every thing looks normal. kwin is running and stable.

The crash can be reproduced some of the time.

-- Backtrace:
Application: KWin (kwin), signal: Aborted
[KCrash Handler]
#6  0x00007f6485494a75 in *__GI_raise (sig=<value optimized out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
#7  0x00007f64854985c0 in *__GI_abort () at abort.c:92
#8  0x00007f648548d941 in *__GI___assert_fail (assertion=0x7f64837a53e8 "dpy->xcb->reply_data != ((void *)0)", file=<value optimized out>, line=657, function=0x7f64837a5640 "_XRead") at assert.c:81
#9  0x00007f648372f01e in _XRead (dpy=0x1b93da0, data=<value optimized out>, size=40370196) at ../../src/xcb_io.c:657
#10 0x00007f64832a0692 in ?? () from /usr/lib/mesa/libGL.so.1
#11 0x00007f64832a26dc in ?? () from /usr/lib/mesa/libGL.so.1
#12 0x00007f6483e6bd5e in KWin::GLTexture::load (this=0x1cb0250, image=<value optimized out>, target=3553) at ../../../kwin/lib/kwinglutils.cpp:457
#13 0x00007f646ebf83ad in KWin::CubeEffect::loadConfig (this=0x1cec280, config=<value optimized out>) at ../../../kwin/effects/cube/cube.cpp:196
#14 0x00007f646ebf8418 in KWin::CubeEffect::reconfigure (this=0x1cec280) at ../../../kwin/effects/cube/cube.cpp:110
#15 0x00007f64858bdc76 in KWin::EffectsHandlerImpl::reconfigure (this=<value optimized out>) at ../../kwin/effects.cpp:149
#16 0x00007f6485819ae0 in KWin::Workspace::slotReconfigure (this=0x1c4c040) at ../../kwin/workspace.cpp:1143
#17 0x00007f648581c9e3 in KWin::Workspace::qt_metacall (this=0x1c4c040, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7ffff3a58790) at ./workspace.moc:529
#18 0x00007f6481dde7a7 in QMetaObject::activate (sender=0x1c4c398, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0xffffffffffffffff) at kernel/qobject.cpp:3280
#19 0x00007f6481dd8599 in QObject::event (this=0x1c4c398, e=0x41b2) at kernel/qobject.cpp:1183
#20 0x00007f6480f1acdc in QApplicationPrivate::notify_helper (this=0x1b73170, receiver=0x1c4c398, e=0x7ffff3a58ee0) at kernel/qapplication.cpp:4389
#21 0x00007f6480f207cd in QApplication::notify (this=0x7ffff3a592d0, receiver=0x1c4c398, e=0x7ffff3a58ee0) at kernel/qapplication.cpp:4270
#22 0x00007f6485042eb6 in KApplication::notify (this=0x7ffff3a592d0, receiver=0x1c4c398, event=0x7ffff3a58ee0) at ../../kdeui/kernel/kapplication.cpp:310
#23 0x00007f6481dc6a8c in QCoreApplication::notifyInternal (this=0x7ffff3a592d0, receiver=0x1c4c398, event=0x7ffff3a58ee0) at kernel/qcoreapplication.cpp:732
#24 0x00007f6481df60b2 in QCoreApplication::sendEvent (this=0x1b73b80) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#25 QTimerInfoList::activateTimers (this=0x1b73b80) at kernel/qeventdispatcher_unix.cpp:602
#26 0x00007f6481df61ec in QEventDispatcherUNIX::processEvents (this=0x1b4fd50, flags=) at kernel/qeventdispatcher_unix.cpp:923
#27 0x00007f6480fcd9af in QEventDispatcherX11::processEvents (this=<value optimized out>, flags=) at kernel/qeventdispatcher_x11.cpp:152
#28 0x00007f6481dc57b2 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#29 0x00007f6481dc5b9c in QEventLoop::exec (this=0x7ffff3a59210, flags=) at kernel/qeventloop.cpp:201
#30 0x00007f6481dc9c4b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009
#31 0x00007f648583965d in kdemain (argc=<value optimized out>, argv=<value optimized out>) at ../../kwin/main.cpp:531
#32 0x00007f648547fc4d in __libc_start_main (main=<value optimized out>, argc=<value optimized out>, ubp_av=<value optimized out>, init=<value optimized out>, fini=<value optimized out>, 
    rtld_fini=<value optimized out>, stack_end=0x7ffff3a598d8) at libc-start.c:226
#33 0x00000000004006b9 in _start ()

Possible duplicates by query: bug 246575.

Reported using DrKonqi