Application: kwin (4.6.2 (4.6.2))
KDE Platform Version: 4.6.2 (4.6.2)
Qt Version: 4.7.2
Operating System: Linux 2.6.38-8-generic x86_64
Distribution: Ubuntu 11.04

-- Information about the crash:
- What I was doing when the application crashed:
Tried configuring compiz fusion and enabled desktop effects.
Running Ubuntu 11.04 on a virtualbox.

-- Backtrace:
Application: KWin (kwin), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f353388c7a0 (LWP 2305))]

Thread 3 (Thread 0x7f3519149700 (LWP 2309)):
#0  QEventDispatcherUNIXPrivate::doSelect (this=0x15a45c0, flags=..., timeout=0x0) at kernel/qeventdispatcher_unix.cpp:223
#1  0x00007f352f4db04a in QEventDispatcherUNIX::processEvents (this=0x15deac0, flags=...) at kernel/qeventdispatcher_unix.cpp:919
#2  0x00007f352f4ac882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#3  0x00007f352f4acabc in QEventLoop::exec (this=0x7f3519148db0, flags=...) at kernel/qeventloop.cpp:201
#4  0x00007f352f3c3924 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:492
#5  0x00007f352f48ec2f in QInotifyFileSystemWatcherEngine::run (this=0x148a190) at io/qfilesystemwatcher_inotify.cpp:248
#6  0x00007f352f3c6175 in QThreadPrivate::start (arg=0x148a190) at thread/qthread_unix.cpp:320
#7  0x00007f3529ab9d8c in start_thread (arg=0x7f3519149700) at pthread_create.c:304
#8  0x00007f35330dc04d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#9  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f3518948700 (LWP 2310)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f3531f3b2a2 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x7f3532254180) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#2  0x00007f3531f3b2d9 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=0x7f3532262254) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#3  0x00007f3529ab9d8c in start_thread (arg=0x7f3518948700) at pthread_create.c:304
#4  0x00007f35330dc04d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f353388c7a0 (LWP 2305)):
[KCrash Handler]
#6  memcpy () at ../sysdeps/x86_64/memcpy.S:267
#7  0x00007f3530975af8 in __indirect_glProgramParameters4fvNV (target=1, index=23654884, num=23658992, params=<value optimized out>) at /usr/include/bits/string3.h:52
#8  0x00007f35171f326a in KWin::ARBBlurShader::init (this=0x168f1d0) at ../../../kwin/effects/blur/blurshader.cpp:473
#9  0x00007f35171f0072 in KWin::BlurEffect::reconfigure (this=0x16c7960, flags=<value optimized out>) at ../../../kwin/effects/blur/blur.cpp:76
#10 0x00007f35171f01d7 in KWin::BlurEffect::BlurEffect (this=0x16c7960) at ../../../kwin/effects/blur/blur.cpp:48
#11 0x00007f35171f0286 in KWin::effect_create_kwin4_effect_blur () at ../../../kwin/effects/blur/blur.cpp:29
#12 0x00007f35334681eb in KWin::EffectsHandlerImpl::loadEffect (this=0x13bb660, name=...) at ../../kwin/effects.cpp:1128
#13 0x00007f35334693d1 in KWin::EffectsHandlerImpl::reconfigure (this=0x13bb660) at ../../kwin/effects.cpp:143
#14 0x00007f353344404c in KWin::Workspace::setupCompositing (this=0x1311220) at ../../kwin/composite.cpp:216
#15 0x00007f35333c66b3 in KWin::Workspace::qt_metacall (this=0x1311220, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x1327fc0) at ./workspace.moc:604
#16 0x00007f352f4c149a in QObject::event (this=0x1311220, e=<value optimized out>) at kernel/qobject.cpp:1226
#17 0x00007f352e86e9e4 in QApplicationPrivate::notify_helper (this=0x12298f0, receiver=0x1311220, e=0x1327c40) at kernel/qapplication.cpp:4462
#18 0x00007f352e8733aa in QApplication::notify (this=<value optimized out>, receiver=0x1311220, e=0x1327c40) at kernel/qapplication.cpp:4341
#19 0x00007f3532bd7866 in KApplication::notify (this=0x7fffdfd3abd0, receiver=0x1311220, event=0x1327c40) at ../../kdeui/kernel/kapplication.cpp:311
#20 0x00007f352f4ad49c in QCoreApplication::notifyInternal (this=0x7fffdfd3abd0, receiver=0x1311220, event=0x1327c40) at kernel/qcoreapplication.cpp:731
#21 0x00007f352f4b0c25 in sendEvent (receiver=0x0, event_type=0, data=0x11ceb60) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#22 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x11ceb60) at kernel/qcoreapplication.cpp:1372
#23 0x00007f352e916a0d in sendPostedEvents (this=0x11ce340, flags=...) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#24 QEventDispatcherX11::processEvents (this=0x11ce340, flags=...) at kernel/qeventdispatcher_x11.cpp:75
#25 0x00007f352f4ac882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#26 0x00007f352f4acabc in QEventLoop::exec (this=0x7fffdfd3ab10, flags=...) at kernel/qeventloop.cpp:201
#27 0x00007f352f4b0ecb in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1008
#28 0x00007f35333e31ec in kdemain (argc=<value optimized out>, argv=0x7fffdfd3b268) at ../../kwin/main.cpp:542
#29 0x00007f3533014eff in __libc_start_main (main=0x400740 <main(int, char**)>, argc=3, ubp_av=0x7fffdfd3b268, init=<value optimized out>, fini=<value optimized out>, rtld_fini=<value optimized out>, stack_end=0x7fffdfd3b258) at libc-start.c:226
#30 0x0000000000400669 in _start ()

Possible duplicates by query: bug 270818.

Reported using DrKonqi