Application: kwin (4.5.1 (KDE 4.5.1))
KDE Platform Version: 4.5.1 (KDE 4.5.1)
Qt Version: 4.7.0
Operating System: Linux 2.6.34.7-0.3-desktop x86_64
Distribution: "openSUSE 11.3 (x86_64)"

-- Information about the crash:
- I was changing the window appearance
This happens invariable always on all (3) kde 4.5.1 installations I have (2xlaptop, 1xdesktop)

The crash can be reproduced every time.

-- Backtrace:
Application: KWin (kwin), signal: Segmentation fault
[KCrash Handler]
#6  dri2DrawableGetMSC (psc=0x7f3f380015a0, pdraw=0x0, ust=0x7fffbbb5ed88, msc=0x7fffbbb5ed80, sbc=0x7fffbbb5ed78) at dri2_glx.c:226
#7  0x00007f3f516f6185 in __glXGetVideoSyncSGI (count=0x7fffbbb5edcc) at glxcmds.c:2317
#8  0x00007f3f53c5dc81 in KWin::SceneOpenGL::waitSync (this=<value optimized out>) at /usr/src/debug/kdebase-workspace-4.5.1/kwin/scene_opengl.cpp:781
#9  0x00007f3f53c68fc0 in KWin::SceneOpenGL::flushBuffer (this=0x73d460, mask=<value optimized out>, damage=...) at /usr/src/debug/kdebase-workspace-4.5.1/kwin/scene_opengl.cpp:830
#10 0x00007f3f53cbb9d0 in KWin::SceneOpenGL::paint (this=0x73d460, damage=..., toplevels=<value optimized out>) at /usr/src/debug/kdebase-workspace-4.5.1/kwin/scene_opengl.cpp:761
#11 0x00007f3f53c9810b in KWin::Workspace::performCompositing (this=0x7f3f38002840) at /usr/src/debug/kdebase-workspace-4.5.1/kwin/composite.cpp:454
#12 0x00007f3f53cc4305 in KWin::Workspace::qt_metacall (this=0x7f3f38002840, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffbbb5f200)
    at /usr/src/debug/kdebase-workspace-4.5.1/build/kwin/workspace.moc:583
#13 0x00007f3f5027db5f in QMetaObject::activate (sender=0x7f3f38002d08, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x0) at kernel/qobject.cpp:3272
#14 0x00007f3f5027c509 in QObject::event (this=0x7f3f38002d08, e=<value optimized out>) at kernel/qobject.cpp:1175
#15 0x00007f3f4f40ef34 in QApplicationPrivate::notify_helper (this=0x62f6f0, receiver=0x7f3f38002d08, e=0x7fffbbb5f9a0) at kernel/qapplication.cpp:4396
#16 0x00007f3f4f41735a in QApplication::notify (this=<value optimized out>, receiver=0x7f3f38002d08, e=0x7fffbbb5f9a0) at kernel/qapplication.cpp:4277
#17 0x00007f3f534072a6 in KApplication::notify (this=0x7fffbbb5fe30, receiver=0x7f3f38002d08, event=0x7fffbbb5f9a0) at /usr/src/debug/kdelibs-4.5.1/kdeui/kernel/kapplication.cpp:310
#18 0x00007f3f502689dc in QCoreApplication::notifyInternal (this=0x7fffbbb5fe30, receiver=0x7f3f38002d08, event=0x7fffbbb5f9a0) at kernel/qcoreapplication.cpp:732
#19 0x00007f3f50296189 in sendEvent (this=0x630100) at kernel/qcoreapplication.h:215
#20 QTimerInfoList::activateTimers (this=0x630100) at kernel/qeventdispatcher_unix.cpp:617
#21 0x00007f3f50296820 in QEventDispatcherUNIX::processEvents (this=0x60e210, flags=...) at kernel/qeventdispatcher_unix.cpp:938
#22 0x00007f3f4f4b3d0c in QEventDispatcherX11::processEvents (this=0x60e210, flags=...) at kernel/qeventdispatcher_x11.cpp:152
#23 0x00007f3f50267e12 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#24 0x00007f3f50268025 in QEventLoop::exec (this=0x7fffbbb5fd70, flags=...) at kernel/qeventloop.cpp:201
#25 0x00007f3f5026c43b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009
#26 0x00007f3f53ccbba4 in kdemain (argc=<value optimized out>, argv=0x7fffbbb5fe30) at /usr/src/debug/kdebase-workspace-4.5.1/kwin/main.cpp:531
#27 0x00007f3f538bfb7d in __libc_start_main () from /lib64/libc.so.6
#28 0x0000000000400699 in _start () at ../sysdeps/x86_64/elf/start.S:113

Possible duplicates by query: bug 252853, bug 249159, bug 247408, bug 245238, bug 241325.

Reported using DrKonqi