Application: kwin (4.10.5)
KDE Platform Version: 4.10.5
Qt Version: 4.8.4
Operating System: Linux 3.8.0-31-generic x86_64
Distribution: Ubuntu 13.04

-- Information about the crash:
I just logged in Kubuntu, and the application crashed. I love Kubuntu, please fix this.- What I was doing when the application crashed:

-- Backtrace:
Application: KWin (kwin), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[KCrash Handler]
#6  0x00007f6e78d9e74e in glXGetFBConfigs () from /usr/lib/fglrx/libGL.so.1
#7  0x00007f6e7d205218 in KWin::GlxBackend::initDrawableConfigs (this=this@entry=0xec61a0) at ../../kwin/glxbackend.cpp:323
#8  0x00007f6e7d2058ea in KWin::GlxBackend::init (this=0xec61a0) at ../../kwin/glxbackend.cpp:88
#9  0x00007f6e7d1ff437 in KWin::SceneOpenGL::createScene () at ../../kwin/scene_opengl.cpp:224
#10 0x00007f6e7d1ea105 in KWin::Compositor::slotCompositingOptionsInitialized (this=0xee7cd0) at ../../kwin/composite.cpp:206
#11 0x00007f6e782e20ef in QMetaObject::activate (sender=0xf20d40, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3539
#12 0x00007f6e781c1577 in QFutureWatcherBase::event (this=<optimized out>, event=0x7f6e540008c0) at concurrent/qfuturewatcher.cpp:344
#13 0x00007f6e776738ec in QApplicationPrivate::notify_helper (this=this@entry=0xd30fd0, receiver=receiver@entry=0xf20d40, e=e@entry=0x7f6e540008c0) at kernel/qapplication.cpp:4567
#14 0x00007f6e7767625b in QApplication::notify (this=this@entry=0x7fff8b01a2c0, receiver=receiver@entry=0xf20d40, e=e@entry=0x7f6e540008c0) at kernel/qapplication.cpp:4428
#15 0x00007f6e7c9561a6 in KApplication::notify (this=0x7fff8b01a2c0, receiver=0xf20d40, event=0x7f6e540008c0) at ../../kdeui/kernel/kapplication.cpp:311
#16 0x00007f6e782cd63e in QCoreApplication::notifyInternal (this=0x7fff8b01a2c0, receiver=receiver@entry=0xf20d40, event=event@entry=0x7f6e540008c0) at kernel/qcoreapplication.cpp:946
#17 0x00007f6e782d1171 in sendEvent (event=0x7f6e540008c0, receiver=0xf20d40) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#18 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0xcd51f0) at kernel/qcoreapplication.cpp:1570
#19 0x00007f6e782d14a3 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1463
#20 0x00007f6e7771998c in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#21 QEventDispatcherX11::processEvents (this=0xd30f60, flags=...) at kernel/qeventdispatcher_x11.cpp:75
#22 0x00007f6e782cc38f in QEventLoop::processEvents (this=this@entry=0x7fff8b019fd0, flags=...) at kernel/qeventloop.cpp:149
#23 0x00007f6e782cc618 in QEventLoop::exec (this=this@entry=0x7fff8b019fd0, flags=...) at kernel/qeventloop.cpp:204
#24 0x00007f6e782d1cf6 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#25 0x00007f6e77671ffc in QApplication::exec () at kernel/qapplication.cpp:3828
#26 0x00007f6e7d19ff0a in kdemain (argc=3, argv=0x7fff8b01a408) at ../../kwin/main.cpp:537
#27 0x00007f6e7cd91ea5 in __libc_start_main (main=0x4006d0 <main(int, char**)>, argc=3, ubp_av=0x7fff8b01a408, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff8b01a3f8) at libc-start.c:260
#28 0x0000000000400701 in _start ()

Possible duplicates by query: bug 325545, bug 325237, bug 325001, bug 324896, bug 324335.

Reported using DrKonqi