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 2.6.38-10-generic x86_64 Distribution: Ubuntu 11.04 -- Information about the crash: - What I was doing when the application crashed: I was simply trying to restore my PC from screensaver. The login window appeared partially but I was able to enter my password. The screensaver stopped and I was notified that also KWin stopped. The crash can be reproduced every time. -- Backtrace: Application: KWin (kwin), signal: Segmentation fault [Current thread is 1 (Thread 0x7f3ec64537a0 (LWP 1566))] Thread 3 (Thread 0x7f3ea6d60700 (LWP 1571)): #0 0x00007f3ec5c9a143 in select () at ../sysdeps/unix/syscall-template.S:82 #1 0x00007f3ec207832c in qt_safe_select (nfds=15, fdread=0x2f21ba0, fdwrite=0x2f21e38, fdexcept=0x2f220d0, orig_timeout=<value optimized out>) at kernel/qcore_unix.cpp:82 #2 0x00007f3ec207d3d0 in QEventDispatcherUNIXPrivate::doSelect (this=0x2f219e0, flags=..., timeout=0x0) at kernel/qeventdispatcher_unix.cpp:219 #3 0x00007f3ec207e04a in QEventDispatcherUNIX::processEvents (this=0x2cfe620, flags=...) at kernel/qeventdispatcher_unix.cpp:919 #4 0x00007f3ec204f882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149 #5 0x00007f3ec204fabc in QEventLoop::exec (this=0x7f3ea6d5fdb0, flags=...) at kernel/qeventloop.cpp:201 #6 0x00007f3ec1f66924 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:492 #7 0x00007f3ec2031c2f in QInotifyFileSystemWatcherEngine::run (this=0x2cfdaf0) at io/qfilesystemwatcher_inotify.cpp:248 #8 0x00007f3ec1f69175 in QThreadPrivate::start (arg=0x2cfdaf0) at thread/qthread_unix.cpp:320 #9 0x00007f3ebc658d8c in start_thread (arg=0x7f3ea6d60700) at pthread_create.c:304 #10 0x00007f3ec5ca204d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112 #11 0x0000000000000000 in ?? () Thread 2 (Thread 0x7f3ea655f700 (LWP 1572)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162 #1 0x00007f3ec4b012a2 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x7f3ec4e1a180) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359 #2 0x00007f3ec4b012d9 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=0x7f3ec4e28254) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464 #3 0x00007f3ebc658d8c in start_thread (arg=0x7f3ea655f700) at pthread_create.c:304 #4 0x00007f3ec5ca204d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112 #5 0x0000000000000000 in ?? () Thread 1 (Thread 0x7f3ec64537a0 (LWP 1566)): [KCrash Handler] #6 intel_region_buffer (intel=0x1a2b750, region=0x0, flag=2) at intel_regions.c:514 #7 0x00007f3eadb3e6c2 in intelClearWithBlit (ctx=0x1a2b750, mask=2) at intel_blit.c:262 #8 0x00007f3eadb40d2a in intelClear (ctx=0x1a2b750, mask=2) at intel_clear.c:177 #9 0x00007f3ec6018ce7 in KWin::SceneOpenGL::paintBackground (this=<value optimized out>, region=<value optimized out>) at ../../kwin/scene_opengl.cpp:921 #10 0x00007f3ec601088f in KWin::Scene::paintGenericScreen (this=0x18febd0, orig_mask=40) at ../../kwin/scene.cpp:188 #11 0x00007f3ec600dc7a in KWin::Scene::finalPaintScreen (this=0x18febd0, mask=40, region=<value optimized out>, data=<value optimized out>) at ../../kwin/scene.cpp:178 #12 0x00007f3ec602bf19 in KWin::EffectsHandlerImpl::paintScreen (this=0x2b3cb60, mask=40, region=<value optimized out>, data=...) at ../../kwin/effects.cpp:173 #13 0x00007f3eacc065a6 in KWin::StartupFeedbackEffect::paintScreen (this=0x2ff3b10, mask=40, region=<value optimized out>, data=...) at ../../../kwin/effects/startupfeedback/startupfeedback.cpp:166 #14 0x00007f3ec602bfa3 in KWin::EffectsHandlerImpl::paintScreen (this=0x2b3cb60, mask=40, region=<value optimized out>, data=...) at ../../kwin/effects.cpp:169 #15 0x00007f3ec40eba18 in KWin::Effect::paintScreen (this=<value optimized out>, mask=40, region=<value optimized out>, data=...) at ../../../kwin/lib/kwineffects.cpp:227 #16 0x00007f3ec602bfa3 in KWin::EffectsHandlerImpl::paintScreen (this=0x2b3cb60, mask=40, region=<value optimized out>, data=...) at ../../kwin/effects.cpp:169 #17 0x00007f3eacbad44d in KWin::LogoutEffect::paintScreen (this=0x2f18b10, mask=40, region=..., data=...) at ../../../kwin/effects/logout/logout.cpp:207 #18 0x00007f3ec602bfa3 in KWin::EffectsHandlerImpl::paintScreen (this=0x2b3cb60, mask=40, region=<value optimized out>, data=...) at ../../kwin/effects.cpp:169 #19 0x00007f3eacbc857b in KWin::ShadowEffect::paintScreen (this=0x2b80570, mask=40, region=..., data=...) at ../../../kwin/effects/shadow/shadow.cpp:189 #20 0x00007f3ec602bfa3 in KWin::EffectsHandlerImpl::paintScreen (this=0x2b3cb60, mask=40, region=<value optimized out>, data=...) at ../../kwin/effects.cpp:169 #21 0x00007f3eacbdae68 in KWin::BlurEffect::paintScreen (this=<value optimized out>, mask=40, region=..., data=...) at ../../../kwin/effects/blur/blur.cpp:230 #22 0x00007f3ec602bfa3 in KWin::EffectsHandlerImpl::paintScreen (this=0x2b3cb60, mask=8, region=<value optimized out>, data=...) at ../../kwin/effects.cpp:169 #23 0x00007f3eacbb1fbd in KWin::PresentWindowsEffect::paintScreen (this=0x2b8a820, mask=8, region=..., data=...) at ../../../kwin/effects/presentwindows/presentwindows.cpp:205 #24 0x00007f3ec602bfa3 in KWin::EffectsHandlerImpl::paintScreen (this=0x2b3cb60, mask=8, region=<value optimized out>, data=...) at ../../kwin/effects.cpp:169 #25 0x00007f3ec40eba18 in KWin::Effect::paintScreen (this=<value optimized out>, mask=8, region=<value optimized out>, data=...) at ../../../kwin/lib/kwineffects.cpp:227 #26 0x00007f3ec602bfa3 in KWin::EffectsHandlerImpl::paintScreen (this=0x2b3cb60, mask=8, region=<value optimized out>, data=...) at ../../kwin/effects.cpp:169 #27 0x00007f3ec40eba18 in KWin::Effect::paintScreen (this=<value optimized out>, mask=8, region=<value optimized out>, data=...) at ../../../kwin/lib/kwineffects.cpp:227 #28 0x00007f3ec602bfa3 in KWin::EffectsHandlerImpl::paintScreen (this=0x2b3cb60, mask=8, region=<value optimized out>, data=...) at ../../kwin/effects.cpp:169 #29 0x00007f3ec40eba18 in KWin::Effect::paintScreen (this=<value optimized out>, mask=8, region=<value optimized out>, data=...) at ../../../kwin/lib/kwineffects.cpp:227 #30 0x00007f3ec602bfa3 in KWin::EffectsHandlerImpl::paintScreen (this=0x2b3cb60, mask=8, region=<value optimized out>, data=...) at ../../kwin/effects.cpp:169 #31 0x00007f3ec40eba18 in KWin::Effect::paintScreen (this=<value optimized out>, mask=8, region=<value optimized out>, data=...) at ../../../kwin/lib/kwineffects.cpp:227 #32 0x00007f3ec602bfa3 in KWin::EffectsHandlerImpl::paintScreen (this=0x2b3cb60, mask=8, region=<value optimized out>, data=...) at ../../kwin/effects.cpp:169 #33 0x00007f3eacb99365 in KWin::DesktopGridEffect::paintScreen (this=0x2bbdc70, mask=8, region=..., data=...) at ../../../kwin/effects/desktopgrid/desktopgrid.cpp:155 #34 0x00007f3ec602bfa3 in KWin::EffectsHandlerImpl::paintScreen (this=0x2b3cb60, mask=8, region=<value optimized out>, data=...) at ../../kwin/effects.cpp:169 #35 0x00007f3eacbceb8f in KWin::SlideEffect::paintScreen (this=<value optimized out>, mask=8, region=..., data=...) at ../../../kwin/effects/slide/slide.cpp:86 #36 0x00007f3ec602bfa3 in KWin::EffectsHandlerImpl::paintScreen (this=0x2b3cb60, mask=8, region=<value optimized out>, data=...) at ../../kwin/effects.cpp:169 #37 0x00007f3eacb92bad in KWin::BoxSwitchEffect::paintScreen (this=0x2ea23d0, mask=8, region=..., data=...) at ../../../kwin/effects/boxswitch/boxswitch.cpp:143 #38 0x00007f3ec602bfa3 in KWin::EffectsHandlerImpl::paintScreen (this=0x2b3cb60, mask=8, region=<value optimized out>, data=...) at ../../kwin/effects.cpp:169 #39 0x00007f3eacbe9256 in KWin::CubeEffect::paintScreen (this=<value optimized out>, mask=8, region=..., data=...) at ../../../kwin/effects/cube/cube.cpp:698 #40 0x00007f3ec602bfa3 in KWin::EffectsHandlerImpl::paintScreen (this=0x2b3cb60, mask=8, region=<value optimized out>, data=...) at ../../kwin/effects.cpp:169 #41 0x00007f3ec40eba18 in KWin::Effect::paintScreen (this=<value optimized out>, mask=8, region=<value optimized out>, data=...) at ../../../kwin/lib/kwineffects.cpp:227 #42 0x00007f3ec602bfa3 in KWin::EffectsHandlerImpl::paintScreen (this=0x2b3cb60, mask=8, region=<value optimized out>, data=...) at ../../kwin/effects.cpp:169 #43 0x00007f3ec40eba18 in KWin::Effect::paintScreen (this=<value optimized out>, mask=8, region=<value optimized out>, data=...) at ../../../kwin/lib/kwineffects.cpp:227 #44 0x00007f3ec602bfa3 in KWin::EffectsHandlerImpl::paintScreen (this=0x2b3cb60, mask=8, region=<value optimized out>, data=...) at ../../kwin/effects.cpp:169 #45 0x00007f3ec40eba18 in KWin::Effect::paintScreen (this=<value optimized out>, mask=8, region=<value optimized out>, data=...) at ../../../kwin/lib/kwineffects.cpp:227 #46 0x00007f3ec602bfa3 in KWin::EffectsHandlerImpl::paintScreen (this=0x2b3cb60, mask=8, region=<value optimized out>, data=...) at ../../kwin/effects.cpp:169 #47 0x00007f3eacbe1d86 in KWin::CoverSwitchEffect::paintScreen (this=0x2fa1f70, mask=8, region=..., data=...) at ../../../kwin/effects/coverswitch/coverswitch.cpp:126 #48 0x00007f3ec602bfa3 in KWin::EffectsHandlerImpl::paintScreen (this=0x2b3cb60, mask=8, region=<value optimized out>, data=...) at ../../kwin/effects.cpp:169 #49 0x00007f3ec40eba18 in KWin::Effect::paintScreen (this=<value optimized out>, mask=8, region=<value optimized out>, data=...) at ../../../kwin/lib/kwineffects.cpp:227 #50 0x00007f3ec602bfa3 in KWin::EffectsHandlerImpl::paintScreen (this=0x2b3cb60, mask=8, region=<value optimized out>, data=...) at ../../kwin/effects.cpp:169 #51 0x00007f3ec40eba18 in KWin::Effect::paintScreen (this=<value optimized out>, mask=8, region=<value optimized out>, data=...) at ../../../kwin/lib/kwineffects.cpp:227 #52 0x00007f3ec602bfa3 in KWin::EffectsHandlerImpl::paintScreen (this=0x2b3cb60, mask=8, region=<value optimized out>, data=...) at ../../kwin/effects.cpp:169 #53 0x00007f3eacbd839b in KWin::ZoomEffect::paintScreen (this=0x2ddbdd0, mask=8, region=..., data=...) at ../../../kwin/effects/zoom/zoom.cpp:341 #54 0x00007f3ec602bfa3 in KWin::EffectsHandlerImpl::paintScreen (this=0x2b3cb60, mask=8, region=<value optimized out>, data=...) at ../../kwin/effects.cpp:169 #55 0x00007f3ec60100af in KWin::Scene::paintScreen (this=0x18febd0, mask=0x7fffcc3cc33c, region=0x7fffcc3cc420) at ../../kwin/scene.cpp:137 #56 0x00007f3ec6023ef3 in KWin::SceneOpenGL::paint (this=0x18febd0, damage=..., toplevels=<value optimized out>) at ../../kwin/scene_opengl.cpp:772 #57 0x00007f3ec600b275 in KWin::Workspace::performCompositing (this=0x7f3ea8353c50) at ../../kwin/composite.cpp:442 #58 0x00007f3ec20641c9 in QObject::event (this=0x7f3ea8353c50, e=<value optimized out>) at kernel/qobject.cpp:1190 #59 0x00007f3ec140d9f4 in QApplicationPrivate::notify_helper (this=0x17e2870, receiver=0x7f3ea8353c50, e=0x7fffcc3ccb90) at kernel/qapplication.cpp:4462 #60 0x00007f3ec14123ba in QApplication::notify (this=<value optimized out>, receiver=0x7f3ea8353c50, e=0x7fffcc3ccb90) at kernel/qapplication.cpp:4341 #61 0x00007f3ec579d866 in KApplication::notify (this=0x7fffcc3ccf90, receiver=0x7f3ea8353c50, event=0x7fffcc3ccb90) at ../../kdeui/kernel/kapplication.cpp:311 #62 0x00007f3ec205049c in QCoreApplication::notifyInternal (this=0x7fffcc3ccf90, receiver=0x7f3ea8353c50, event=0x7fffcc3ccb90) at kernel/qcoreapplication.cpp:731 #63 0x00007f3ec207df12 in sendEvent (this=0x17e4980) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215 #64 QTimerInfoList::activateTimers (this=0x17e4980) at kernel/qeventdispatcher_unix.cpp:604 #65 0x00007f3ec207e05b in QEventDispatcherUNIX::processEvents (this=0x1787340, flags=...) at kernel/qeventdispatcher_unix.cpp:923 #66 0x00007f3ec14b82ec in QEventDispatcherX11::processEvents (this=0x1787340, flags=...) at kernel/qeventdispatcher_x11.cpp:152 #67 0x00007f3ec204f882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149 #68 0x00007f3ec204fabc in QEventLoop::exec (this=0x7fffcc3cced0, flags=...) at kernel/qeventloop.cpp:201 #69 0x00007f3ec2053ecb in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1008 #70 0x00007f3ec5fa91ec in kdemain (argc=<value optimized out>, argv=0x7fffcc3cd628) at ../../kwin/main.cpp:542 #71 0x00007f3ec5bdaeff in __libc_start_main (main=0x400740 <main(int, char**)>, argc=3, ubp_av=0x7fffcc3cd628, init=<value optimized out>, fini=<value optimized out>, rtld_fini=<value optimized out>, stack_end=0x7fffcc3cd618) at libc-start.c:226 #72 0x0000000000400669 in _start () Possible duplicates by query: bug 277753, bug 277463, bug 277203, bug 276860, bug 276797. Reported using DrKonqi
driver bug - see duplicate for workaround *** This bug has been marked as a duplicate of bug 252817 ***
Created attachment 62530 [details] New crash information added by DrKonqi kwin (4.6.2 (4.6.2)) on KDE Platform 4.6.2 (4.6.2) using Qt 4.7.2 - What I was doing when the application crashed: I was in screensaver mode - Unusual behavior I noticed: The desktop was black and I couldn't do anything -- Backtrace (Reduced): #7 intel_region_buffer (intel=0x9f42870, region=0x0, flag=2) at intel_regions.c:514 #8 0x05f09ce2 in intelClearWithBlit (ctx=0x9f42870, mask=2) at intel_blit.c:262 #9 0x05f0c4c0 in intelClear (ctx=0x9f42870, mask=2) at intel_clear.c:177 #10 0x03583512 in _mesa_Clear (mask=<value optimized out>) at main/clear.c:241 #11 0x0094984b in KWin::SceneOpenGL::paintBackground (this=0x9f3ba18, region=...) at ../../kwin/scene_opengl.cpp:921