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 2.6.35-20-generic x86_64
Distribution: Ubuntu maverick (development branch)

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

I changed my system font settings, when confirming the dialog kwin crashed.

-- Backtrace:
Application: KWin (kwin), signal: Segmentation fault
[KCrash Handler]
#6  0x00007f0945ef3400 in ?? () from /usr/lib/mesa/libGL.so.1
#7  0x00007f0945ecd53a in ?? () from /usr/lib/mesa/libGL.so.1
#8  0x00007f09484c5021 in KWin::SceneOpenGL::waitSync (this=<value optimized out>) at ../../kwin/scene_opengl.cpp:781
#9  0x00007f09484c94a0 in KWin::SceneOpenGL::flushBuffer (this=0x2730b70, mask=0, damage=) at ../../kwin/scene_opengl.cpp:830
#10 0x00007f09484ca3e7 in KWin::SceneOpenGL::paint (this=0x2730b70, damage=<value optimized out>, toplevels=<value optimized out>) at ../../kwin/scene_opengl.cpp:761
#11 0x00007f09484b4287 in KWin::Workspace::performCompositing (this=<value optimized out>) at ../../kwin/composite.cpp:454
#12 0x00007f09484357dd in KWin::Workspace::qt_metacall (this=0x1d1c850, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffd31957f0) at ./workspace.moc:583
#13 0x00007f0944a27b27 in QMetaObject::activate (sender=0x1d1cd18, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x7fffd3195370) at kernel/qobject.cpp:3280
#14 0x00007f0944a218f9 in QObject::event (this=0x1d1cd18, e=0x0) at kernel/qobject.cpp:1183
#15 0x00007f0943b5b04c in QApplicationPrivate::notify_helper (this=0x1bf3ec0, receiver=0x1d1cd18, e=0x7fffd3195f40) at kernel/qapplication.cpp:4396
#16 0x00007f0943b60b5d in QApplication::notify (this=0x7fffd3196330, receiver=0x1d1cd18, e=0x7fffd3195f40) at kernel/qapplication.cpp:4277
#17 0x00007f0947c5df16 in KApplication::notify (this=0x7fffd3196330, receiver=0x1d1cd18, event=0x7fffd3195f40) at ../../kdeui/kernel/kapplication.cpp:310
#18 0x00007f0944a0fcdc in QCoreApplication::notifyInternal (this=0x7fffd3196330, receiver=0x1d1cd18, event=0x7fffd3195f40) at kernel/qcoreapplication.cpp:732
#19 0x00007f0944a3f6f2 in sendEvent (this=0x1bf48d0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#20 QTimerInfoList::activateTimers (this=0x1bf48d0) at kernel/qeventdispatcher_unix.cpp:602
#21 0x00007f0944a3f82c in QEventDispatcherUNIX::processEvents (this=0x1bd16e0, flags=) at kernel/qeventdispatcher_unix.cpp:923
#22 0x00007f0943c0ea3f in QEventDispatcherX11::processEvents (this=<value optimized out>, flags=) at kernel/qeventdispatcher_x11.cpp:152
#23 0x00007f0944a0ea02 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#24 0x00007f0944a0edec in QEventLoop::exec (this=0x7fffd3196270, flags=) at kernel/qeventloop.cpp:201
#25 0x00007f0944a12ebb in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009
#26 0x00007f0948451f7d in kdemain (argc=<value optimized out>, argv=<value optimized out>) at ../../kwin/main.cpp:531
#27 0x00007f094809ad8e 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=0x7fffd3196938) at libc-start.c:226
#28 0x0000000000400669 in _start ()

Possible duplicates by query: bug 249159, bug 247408, bug 245238, bug 243446, bug 241325.

Reported using DrKonqi