Application: kwin (4.6.00 (4.6.0) "release 381")
KDE Platform Version: 4.6.00 (4.6.0) "release 381"
Qt Version: 4.7.1
Operating System: Linux 2.6.34.7-0.7-desktop x86_64
Distribution: "openSUSE 11.3 (x86_64)"

-- Information about the crash:
- What I was doing when the application crashed:I was changing desktop effects with KDE 4.6 System Settings. In fact whenever I press the apply it seems things go wrong
I haven't tried the Xrenderer

-- Backtrace:
Application: KWin (kwin), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f2a1becf760 (LWP 7559))]

Thread 2 (Thread 0x7f29ff3a1710 (LWP 7583)):
#0  0x00007f2a1778139c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f2a1a59b634 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x7f2a1a8bd180) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#2  0x00007f2a1a59b669 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=0x7f2a1a8cb254) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#3  0x00007f2a1777ca4f in start_thread () from /lib64/libpthread.so.0
#4  0x00007f2a1b73b82d in clone () from /lib64/libc.so.6
#5  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f2a1becf760 (LWP 7559)):
[KCrash Handler]
#6  dri2DrawableGetMSC (psc=0x731140, pdraw=0x0, ust=0x7fffbe742a58, msc=0x7fffbe742a50, sbc=0x7fffbe742a48) at dri2_glx.c:226
#7  0x00007f2a18f9e185 in __glXGetVideoSyncSGI (count=0x7fffbe742a9c) at glxcmds.c:2317
#8  0x00007f2a1ba991e1 in KWin::SceneOpenGL::waitSync (this=<value optimized out>) at /usr/src/debug/kdebase-workspace-4.6.0/kwin/scene_opengl.cpp:810
#9  0x00007f2a1ba9fda5 in KWin::SceneOpenGL::flushBuffer (this=0xb17fa0, mask=<value optimized out>, damage=...) at /usr/src/debug/kdebase-workspace-4.6.0/kwin/scene_opengl.cpp:822
#10 0x00007f2a1baa0573 in KWin::SceneOpenGL::paint (this=0xb17fa0, damage=..., toplevels=<value optimized out>) at /usr/src/debug/kdebase-workspace-4.6.0/kwin/scene_opengl.cpp:789
#11 0x00007f2a1ba8866a in KWin::Workspace::performCompositing (this=0x732760) at /usr/src/debug/kdebase-workspace-4.6.0/kwin/composite.cpp:442
#12 0x00007f2a17b0a999 in QObject::event (this=0x732760, e=<value optimized out>) at kernel/qobject.cpp:1175
#13 0x00007f2a16c97cd4 in QApplicationPrivate::notify_helper (this=0x635680, receiver=0x732760, e=0x7fffbe743550) at kernel/qapplication.cpp:4445
#14 0x00007f2a16ca01ca in QApplication::notify (this=<value optimized out>, receiver=0x732760, e=0x7fffbe743550) at kernel/qapplication.cpp:4324
#15 0x00007f2a1b1afec6 in KApplication::notify (this=0x7fffbe743a30, receiver=0x732760, event=0x7fffbe743550) at /usr/src/debug/kdelibs-4.6.0/kdeui/kernel/kapplication.cpp:311
#16 0x00007f2a17af6e2c in QCoreApplication::notifyInternal (this=0x7fffbe743a30, receiver=0x732760, event=0x7fffbe743550) at kernel/qcoreapplication.cpp:732
#17 0x00007f2a17b24658 in sendEvent (this=0x636090) at kernel/qcoreapplication.h:215
#18 QTimerInfoList::activateTimers (this=0x636090) at kernel/qeventdispatcher_unix.cpp:618
#19 0x00007f2a17b24d40 in QEventDispatcherUNIX::processEvents (this=0x612380, flags=...) at kernel/qeventdispatcher_unix.cpp:937
#20 0x00007f2a16d3dccc in QEventDispatcherX11::processEvents (this=0x612380, flags=...) at kernel/qeventdispatcher_x11.cpp:152
#21 0x00007f2a17af6262 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#22 0x00007f2a17af6475 in QEventLoop::exec (this=0x7fffbe743920, flags=...) at kernel/qeventloop.cpp:201
#23 0x00007f2a17afa8db in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009
#24 0x00007f2a1ba26caa in kdemain (argc=<value optimized out>, argv=0x7fffbe743a90) at /usr/src/debug/kdebase-workspace-4.6.0/kwin/main.cpp:542
#25 0x00007f2a1b689b7d in __libc_start_main () from /lib64/libc.so.6
#26 0x0000000000400699 in _start () at ../sysdeps/x86_64/elf/start.S:113

This bug may be a duplicate of or related to bug 241263.

Possible duplicates by query: bug 265351, bug 265174, bug 263190, bug 260952, bug 259557.

Reported using DrKonqi