Application: kwin (4.10.5)
KDE Platform Version: 4.10.5
Qt Version: 4.8.4
Operating System: Linux 3.8.0-27-generic x86_64
Distribution: Ubuntu 13.04

-- Information about the crash:
- What I was doing when the application crashed:

System booting from lightdm. During system boot, the windows popped up

-- Backtrace:
Application: KWin (kwin), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[KCrash Handler]
#6  0x00007f9365d3a74e in glXGetFBConfigs () from /usr/lib/fglrx/libGL.so.1
#7  0x00007f936a19f218 in KWin::GlxBackend::initDrawableConfigs (this=this@entry=0x27578f0) at ../../kwin/glxbackend.cpp:323
#8  0x00007f936a19f8ea in KWin::GlxBackend::init (this=0x27578f0) at ../../kwin/glxbackend.cpp:88
#9  0x00007f936a199437 in KWin::SceneOpenGL::createScene () at ../../kwin/scene_opengl.cpp:224
#10 0x00007f936a184105 in KWin::Compositor::slotCompositingOptionsInitialized (this=0x26e39b0) at ../../kwin/composite.cpp:206
#11 0x00007f936527e0ef in QMetaObject::activate (sender=0x2717cb0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3539
#12 0x00007f936515d577 in QFutureWatcherBase::event (this=<optimized out>, event=0x7f93400008c0) at concurrent/qfuturewatcher.cpp:344
#13 0x00007f936460f8ec in QApplicationPrivate::notify_helper (this=this@entry=0x2545b90, receiver=receiver@entry=0x2717cb0, e=e@entry=0x7f93400008c0) at kernel/qapplication.cpp:4567
#14 0x00007f936461225b in QApplication::notify (this=this@entry=0x7fffaaf81d40, receiver=receiver@entry=0x2717cb0, e=e@entry=0x7f93400008c0) at kernel/qapplication.cpp:4428
#15 0x00007f93698f01a6 in KApplication::notify (this=0x7fffaaf81d40, receiver=0x2717cb0, event=0x7f93400008c0) at ../../kdeui/kernel/kapplication.cpp:311
#16 0x00007f936526963e in QCoreApplication::notifyInternal (this=0x7fffaaf81d40, receiver=receiver@entry=0x2717cb0, event=event@entry=0x7f93400008c0) at kernel/qcoreapplication.cpp:946
#17 0x00007f936526d171 in sendEvent (event=0x7f93400008c0, receiver=0x2717cb0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#18 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x24ee1f0) at kernel/qcoreapplication.cpp:1570
#19 0x00007f936526d4a3 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1463
#20 0x00007f93646b59fc in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#21 QEventDispatcherX11::processEvents (this=0x24efad0, flags=...) at kernel/qeventdispatcher_x11.cpp:75
#22 0x00007f936526838f in QEventLoop::processEvents (this=this@entry=0x7fffaaf81a50, flags=...) at kernel/qeventloop.cpp:149
#23 0x00007f9365268618 in QEventLoop::exec (this=this@entry=0x7fffaaf81a50, flags=...) at kernel/qeventloop.cpp:204
#24 0x00007f936526dcf6 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#25 0x00007f936460dffc in QApplication::exec () at kernel/qapplication.cpp:3828
#26 0x00007f936a139f0a in kdemain (argc=3, argv=0x7fffaaf81e88) at ../../kwin/main.cpp:537
#27 0x00007f9369d2bea5 in __libc_start_main (main=0x4006d0 <main(int, char**)>, argc=3, ubp_av=0x7fffaaf81e88, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffaaf81e78) at libc-start.c:260
#28 0x0000000000400701 in _start ()

Possible duplicates by query: bug 322957, bug 321862, bug 321472, bug 319293, bug 319214.

Reported using DrKonqi