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 3.0.0-0300-generic x86_64
Distribution: Ubuntu 11.04

-- Information about the crash:
- What I was doing when the application crashed:
upgrade to kernel 3.0
but the failure screen saver locks the computer.
asus n53s

- Custom settings of the application:
screensaver openGL

-- Backtrace:
Application: KWin (kwin), signal: Segmentation fault
[Current thread is 1 (Thread 0x7fc9a61077a0 (LWP 1549))]

Thread 3 (Thread 0x7fc98a816700 (LWP 1555)):
#0  0x00007fc9a594e143 in select () at ../sysdeps/unix/syscall-template.S:82
#1  0x00007fc9a1d2c32c in qt_safe_select (nfds=17, fdread=0x2e3a570, fdwrite=0x2e3a808, fdexcept=0x2e3aaa0, orig_timeout=<value optimized out>) at kernel/qcore_unix.cpp:82
#2  0x00007fc9a1d313d0 in QEventDispatcherUNIXPrivate::doSelect (this=0x2e3a3b0, flags=..., timeout=0x0) at kernel/qeventdispatcher_unix.cpp:219
#3  0x00007fc9a1d3204a in QEventDispatcherUNIX::processEvents (this=0x2e39e60, flags=...) at kernel/qeventdispatcher_unix.cpp:919
#4  0x00007fc9a1d03882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fc9a1d03abc in QEventLoop::exec (this=0x7fc98a815db0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007fc9a1c1a924 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:492
#7  0x00007fc9a1ce5c2f in QInotifyFileSystemWatcherEngine::run (this=0x2e39380) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007fc9a1c1d175 in QThreadPrivate::start (arg=0x2e39380) at thread/qthread_unix.cpp:320
#9  0x00007fc99c30cd8c in start_thread (arg=0x7fc98a816700) at pthread_create.c:304
#10 0x00007fc9a595604d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fc98a015700 (LWP 1556)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fc9a47b52a2 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x7fc9a4ace180) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#2  0x00007fc9a47b52d9 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=0x7fc9a4adc254) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#3  0x00007fc99c30cd8c in start_thread (arg=0x7fc98a015700) at pthread_create.c:304
#4  0x00007fc9a595604d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fc9a61077a0 (LWP 1549)):
[KCrash Handler]
#6  0x00007fc98d5830a0 in intel_region_buffer () from /usr/lib/dri/i965_dri.so
#7  0x00007fc98d5766c2 in intelClearWithBlit () from /usr/lib/dri/i965_dri.so
#8  0x00007fc98d578d2a in ?? () from /usr/lib/dri/i965_dri.so
#9  0x00007fc9a5cccce7 in KWin::SceneOpenGL::paintBackground (this=<value optimized out>, region=<value optimized out>) at ../../kwin/scene_opengl.cpp:921
#10 0x00007fc9a5cc488f in KWin::Scene::paintGenericScreen (this=0x1609090, orig_mask=32) at ../../kwin/scene.cpp:188
#11 0x00007fc9a5cc1c7a in KWin::Scene::finalPaintScreen (this=0x1609090, mask=32, region=<value optimized out>, data=<value optimized out>) at ../../kwin/scene.cpp:178
#12 0x00007fc9a5cdff19 in KWin::EffectsHandlerImpl::paintScreen (this=0x29c9ab0, mask=32, region=<value optimized out>, data=...) at ../../kwin/effects.cpp:173
#13 0x00007fc98c6055a6 in KWin::StartupFeedbackEffect::paintScreen (this=0x2e9a360, mask=32, region=<value optimized out>, data=...) at ../../../kwin/effects/startupfeedback/startupfeedback.cpp:166
#14 0x00007fc9a5cdffa3 in KWin::EffectsHandlerImpl::paintScreen (this=0x29c9ab0, mask=32, region=<value optimized out>, data=...) at ../../kwin/effects.cpp:169
#15 0x00007fc9a3d9fa18 in KWin::Effect::paintScreen (this=<value optimized out>, mask=32, region=<value optimized out>, data=...) at ../../../kwin/lib/kwineffects.cpp:227
#16 0x00007fc9a5cdffa3 in KWin::EffectsHandlerImpl::paintScreen (this=0x29c9ab0, mask=32, region=<value optimized out>, data=...) at ../../kwin/effects.cpp:169
#17 0x00007fc98c5ac44d in KWin::LogoutEffect::paintScreen (this=0x2bbdd90, mask=32, region=..., data=...) at ../../../kwin/effects/logout/logout.cpp:207
#18 0x00007fc9a5cdffa3 in KWin::EffectsHandlerImpl::paintScreen (this=0x29c9ab0, mask=32, region=<value optimized out>, data=...) at ../../kwin/effects.cpp:169
#19 0x00007fc98c5c757b in KWin::ShadowEffect::paintScreen (this=0x2a51d50, mask=32, region=..., data=...) at ../../../kwin/effects/shadow/shadow.cpp:189
#20 0x00007fc9a5cdffa3 in KWin::EffectsHandlerImpl::paintScreen (this=0x29c9ab0, mask=32, region=<value optimized out>, data=...) at ../../kwin/effects.cpp:169
#21 0x00007fc98c5d9e68 in KWin::BlurEffect::paintScreen (this=<value optimized out>, mask=32, region=..., data=...) at ../../../kwin/effects/blur/blur.cpp:230
#22 0x00007fc9a5cdffa3 in KWin::EffectsHandlerImpl::paintScreen (this=0x29c9ab0, mask=0, region=<value optimized out>, data=...) at ../../kwin/effects.cpp:169
#23 0x00007fc98c5b0fbd in KWin::PresentWindowsEffect::paintScreen (this=0x2dd3970, mask=0, region=..., data=...) at ../../../kwin/effects/presentwindows/presentwindows.cpp:205
#24 0x00007fc9a5cdffa3 in KWin::EffectsHandlerImpl::paintScreen (this=0x29c9ab0, mask=0, region=<value optimized out>, data=...) at ../../kwin/effects.cpp:169
#25 0x00007fc9a3d9fa18 in KWin::Effect::paintScreen (this=<value optimized out>, mask=0, region=<value optimized out>, data=...) at ../../../kwin/lib/kwineffects.cpp:227
#26 0x00007fc9a5cdffa3 in KWin::EffectsHandlerImpl::paintScreen (this=0x29c9ab0, mask=0, region=<value optimized out>, data=...) at ../../kwin/effects.cpp:169
#27 0x00007fc9a3d9fa18 in KWin::Effect::paintScreen (this=<value optimized out>, mask=0, region=<value optimized out>, data=...) at ../../../kwin/lib/kwineffects.cpp:227
#28 0x00007fc9a5cdffa3 in KWin::EffectsHandlerImpl::paintScreen (this=0x29c9ab0, mask=0, region=<value optimized out>, data=...) at ../../kwin/effects.cpp:169
#29 0x00007fc9a3d9fa18 in KWin::Effect::paintScreen (this=<value optimized out>, mask=0, region=<value optimized out>, data=...) at ../../../kwin/lib/kwineffects.cpp:227
#30 0x00007fc9a5cdffa3 in KWin::EffectsHandlerImpl::paintScreen (this=0x29c9ab0, mask=0, region=<value optimized out>, data=...) at ../../kwin/effects.cpp:169
#31 0x00007fc9a3d9fa18 in KWin::Effect::paintScreen (this=<value optimized out>, mask=0, region=<value optimized out>, data=...) at ../../../kwin/lib/kwineffects.cpp:227
#32 0x00007fc9a5cdffa3 in KWin::EffectsHandlerImpl::paintScreen (this=0x29c9ab0, mask=0, region=<value optimized out>, data=...) at ../../kwin/effects.cpp:169
#33 0x00007fc98c598365 in KWin::DesktopGridEffect::paintScreen (this=0x2a0b910, mask=0, region=..., data=...) at ../../../kwin/effects/desktopgrid/desktopgrid.cpp:155
#34 0x00007fc9a5cdffa3 in KWin::EffectsHandlerImpl::paintScreen (this=0x29c9ab0, mask=0, region=<value optimized out>, data=...) at ../../kwin/effects.cpp:169
#35 0x00007fc98c591bad in KWin::BoxSwitchEffect::paintScreen (this=0x2bd11b0, mask=0, region=..., data=...) at ../../../kwin/effects/boxswitch/boxswitch.cpp:143
#36 0x00007fc9a5cdffa3 in KWin::EffectsHandlerImpl::paintScreen (this=0x29c9ab0, mask=0, region=<value optimized out>, data=...) at ../../kwin/effects.cpp:169
#37 0x00007fc98c5e8256 in KWin::CubeEffect::paintScreen (this=<value optimized out>, mask=0, region=..., data=...) at ../../../kwin/effects/cube/cube.cpp:698
#38 0x00007fc9a5cdffa3 in KWin::EffectsHandlerImpl::paintScreen (this=0x29c9ab0, mask=0, region=<value optimized out>, data=...) at ../../kwin/effects.cpp:169
#39 0x00007fc9a3d9fa18 in KWin::Effect::paintScreen (this=<value optimized out>, mask=0, region=<value optimized out>, data=...) at ../../../kwin/lib/kwineffects.cpp:227
#40 0x00007fc9a5cdffa3 in KWin::EffectsHandlerImpl::paintScreen (this=0x29c9ab0, mask=0, region=<value optimized out>, data=...) at ../../kwin/effects.cpp:169
#41 0x00007fc98c5f1fa4 in KWin::CubeSlideEffect::paintScreen (this=<value optimized out>, mask=0, region=..., data=...) at ../../../kwin/effects/cube/cubeslide.cpp:111
#42 0x00007fc9a5cdffa3 in KWin::EffectsHandlerImpl::paintScreen (this=0x29c9ab0, mask=0, region=<value optimized out>, data=...) at ../../kwin/effects.cpp:169
#43 0x00007fc9a3d9fa18 in KWin::Effect::paintScreen (this=<value optimized out>, mask=0, region=<value optimized out>, data=...) at ../../../kwin/lib/kwineffects.cpp:227
#44 0x00007fc9a5cdffa3 in KWin::EffectsHandlerImpl::paintScreen (this=0x29c9ab0, mask=0, region=<value optimized out>, data=...) at ../../kwin/effects.cpp:169
#45 0x00007fc9a3d9fa18 in KWin::Effect::paintScreen (this=<value optimized out>, mask=0, region=<value optimized out>, data=...) at ../../../kwin/lib/kwineffects.cpp:227
#46 0x00007fc9a5cdffa3 in KWin::EffectsHandlerImpl::paintScreen (this=0x29c9ab0, mask=0, region=<value optimized out>, data=...) at ../../kwin/effects.cpp:169
#47 0x00007fc98c5e0d86 in KWin::CoverSwitchEffect::paintScreen (this=0x2e83200, mask=0, region=..., data=...) at ../../../kwin/effects/coverswitch/coverswitch.cpp:126
#48 0x00007fc9a5cdffa3 in KWin::EffectsHandlerImpl::paintScreen (this=0x29c9ab0, mask=0, region=<value optimized out>, data=...) at ../../kwin/effects.cpp:169
#49 0x00007fc9a3d9fa18 in KWin::Effect::paintScreen (this=<value optimized out>, mask=0, region=<value optimized out>, data=...) at ../../../kwin/lib/kwineffects.cpp:227
#50 0x00007fc9a5cdffa3 in KWin::EffectsHandlerImpl::paintScreen (this=0x29c9ab0, mask=0, region=<value optimized out>, data=...) at ../../kwin/effects.cpp:169
#51 0x00007fc9a3d9fa18 in KWin::Effect::paintScreen (this=<value optimized out>, mask=0, region=<value optimized out>, data=...) at ../../../kwin/lib/kwineffects.cpp:227
#52 0x00007fc9a5cdffa3 in KWin::EffectsHandlerImpl::paintScreen (this=0x29c9ab0, mask=0, region=<value optimized out>, data=...) at ../../kwin/effects.cpp:169
#53 0x00007fc9a3d9fa18 in KWin::Effect::paintScreen (this=<value optimized out>, mask=0, region=<value optimized out>, data=...) at ../../../kwin/lib/kwineffects.cpp:227
#54 0x00007fc9a5cdffa3 in KWin::EffectsHandlerImpl::paintScreen (this=0x29c9ab0, mask=0, region=<value optimized out>, data=...) at ../../kwin/effects.cpp:169
#55 0x00007fc98c5d739b in KWin::ZoomEffect::paintScreen (this=0x2e8d9f0, mask=0, region=..., data=...) at ../../../kwin/effects/zoom/zoom.cpp:341
#56 0x00007fc9a5cdffa3 in KWin::EffectsHandlerImpl::paintScreen (this=0x29c9ab0, mask=0, region=<value optimized out>, data=...) at ../../kwin/effects.cpp:169
#57 0x00007fc9a5cc40af in KWin::Scene::paintScreen (this=0x1609090, mask=0x7fffe572b9bc, region=0x7fffe572baa0) at ../../kwin/scene.cpp:137
#58 0x00007fc9a5cd7ef3 in KWin::SceneOpenGL::paint (this=0x1609090, damage=..., toplevels=<value optimized out>) at ../../kwin/scene_opengl.cpp:772
#59 0x00007fc9a5cbf275 in KWin::Workspace::performCompositing (this=0x1946bf0) at ../../kwin/composite.cpp:442
#60 0x00007fc9a1d181c9 in QObject::event (this=0x1946bf0, e=<value optimized out>) at kernel/qobject.cpp:1190
#61 0x00007fc9a10c19f4 in QApplicationPrivate::notify_helper (this=0x14fca70, receiver=0x1946bf0, e=0x7fffe572c210) at kernel/qapplication.cpp:4462
#62 0x00007fc9a10c63ba in QApplication::notify (this=<value optimized out>, receiver=0x1946bf0, e=0x7fffe572c210) at kernel/qapplication.cpp:4341
#63 0x00007fc9a5451866 in KApplication::notify (this=0x7fffe572c610, receiver=0x1946bf0, event=0x7fffe572c210) at ../../kdeui/kernel/kapplication.cpp:311
#64 0x00007fc9a1d0449c in QCoreApplication::notifyInternal (this=0x7fffe572c610, receiver=0x1946bf0, event=0x7fffe572c210) at kernel/qcoreapplication.cpp:731
#65 0x00007fc9a1d31f12 in sendEvent (this=0x14fd630) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#66 QTimerInfoList::activateTimers (this=0x14fd630) at kernel/qeventdispatcher_unix.cpp:604
#67 0x00007fc9a1d3205b in QEventDispatcherUNIX::processEvents (this=0x14a1340, flags=...) at kernel/qeventdispatcher_unix.cpp:923
#68 0x00007fc9a116c2ec in QEventDispatcherX11::processEvents (this=0x14a1340, flags=...) at kernel/qeventdispatcher_x11.cpp:152
#69 0x00007fc9a1d03882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#70 0x00007fc9a1d03abc in QEventLoop::exec (this=0x7fffe572c550, flags=...) at kernel/qeventloop.cpp:201
#71 0x00007fc9a1d07ecb in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1008
#72 0x00007fc9a5c5d1ec in kdemain (argc=<value optimized out>, argv=0x7fffe572cca8) at ../../kwin/main.cpp:542
#73 0x00007fc9a588eeff in __libc_start_main (main=0x400740 <main(int, char**)>, argc=3, ubp_av=0x7fffe572cca8, init=<value optimized out>, fini=<value optimized out>, rtld_fini=<value optimized out>, stack_end=0x7fffe572cc98) at libc-start.c:226
#74 0x0000000000400669 in _start ()

Possible duplicates by query: bug 278470, bug 278310, bug 277899, bug 277880, bug 277753.

Reported using DrKonqi