293654 2012-02-08 16:56:31 +0000 crashed kwin @ PresentWindowsEffect 2012-02-08 19:16:31 +0000 1 1 4 Plasma kwin general unspecified Compiled Sources Linux RESOLVED FIXED NOR crash --- 1 vivo75+kde kwin-bugs-null 0 oldest_to_newest 1224570 0 vivo75+kde 2012-02-08 16:56:31 +0000 Application: kwin (4.8.00 (4.8.0)) KDE Platform Version: 4.8.00 (4.8.0) (Compiled from sources) Qt Version: 4.8.0 Operating System: Linux 3.2.5-vs2.3.2.6-hardened x86_64 Distribution (Platform): Gentoo Packages -- Information about the crash: - What I was doing when the application crashed: after some minutes of inactivity re-activated the composition with alt+shift+F12 then bringing the mouse to the corner activating the present windows effect selected one window kwin crash - Unusual behavior I noticed: notably firefox was totally black and unresponsive _before_ re-activation of compostion and it was still closing when the kwin crash happened this is the content of debug area 1212, kwin pid was probably 10562 [...] kwin(10562) KDecorationPlugins::loadPlugin: kwin : path "/usr/lib64/kde4/kwin3_oxygen.so" for "kwin3_oxygen" kwin(10562) KWin::Extensions::init: Extensions: shape: 0x "11" composite: 0x "4" render: 0x "b" fixes: 0x "50" non_native_pixmaps: false kwin(10562) KWin::Workspace::setupCompositing: Compositing is suspended kwin(10562) KWin::Workspace::updateClientArea: screens: 1 desktops: 3 kwin(10562) KWin::Workspace::updateClientArea: Done. kwin(10562) KWin::Workspace::updateClientArea: screens: 1 desktops: 3 kwin(10562) KWin::Workspace::updateClientArea: Done. [...] kwin(10562) KWin::Workspace::updateClientArea: screens: 1 desktops: 3 kwin(10562) KWin::Workspace::updateClientArea: Done. kwin(10562) KWin::Workspace::updateClientArea: screens: 1 desktops: 3 kwin(10562) KWin::Workspace::updateClientArea: Done. kwin(10562) KWin::Workspace::updateClientArea: screens: 1 desktops: 3 kwin(10562) KWin::Workspace::updateClientArea: Done. kwin(10562) KWin::Client::readUserTimeMapTimestamp: User timestamp, ASN: 5494303 kwin(10562) KWin::Client::readUserTimeMapTimestamp: User timestamp, final: 'ID: 25166075 ;WMCLASS: "krunner" : "krunner" ;Caption: "Esegui comando" ' : 5494303 kwin(10562) KWin::Workspace::allowClientActivation: Activation, compared: 'ID: 25166075 ;WMCLASS: "krunner" : "krunner" ;Caption: "Esegui comando" ' : 5494303 : 5494063 : true kwin(10562) KWin::Workspace::updateClientArea: screens: 1 desktops: 3 kwin(10562) KWin::Workspace::updateClientArea: Done. kwin(10562) KWin::Client::configureRequest: KWin::Client(0x3002828210) true false false kwin(10562) KWin::Client::configureRequest: PERMITTED 'ID: 25166075 ;WMCLASS: "krunner" : "krunner" ;Caption: "Esegui comando" ' true kwin(10562) KWin::Workspace::updateClientArea: screens: 1 desktops: 3 kwin(10562) KWin::Workspace::updateClientArea: Done. kwin(10562) KWin::Client::readUserTimeMapTimestamp: User timestamp, ASN: 4294967295 kwin(10562) KWin::Client::readUserTimeMapTimestamp: User timestamp, final: 'ID: 88080410 ;WMCLASS: "kate" : "kate" ;Caption: "digikam-devel: file:///home/vivo/digikam-devel/README_devel_setup – Kate" ' : 5542260 kwin(10562) KWin::Workspace::allowClientActivation: Activation, compared: 'ID: 88080410 ;WMCLASS: "kate" : "kate" ;Caption: "digikam-devel: file:///home/vivo/digikam-devel/README_devel_setup – Kate" ' : 5542260 : 5542150 : true kwin(10562) KWin::Workspace::updateClientArea: screens: 1 desktops: 3 kwin(10562) KWin::Workspace::updateClientArea: Done. kwin(10562) KWin::Workspace::updateClientArea: screens: 1 desktops: 3 kwin(10562) KWin::Workspace::updateClientArea: Done. kwin(10562) KWin::Client::readUserTimeMapTimestamp: User timestamp, ASN: 5537475 kwin(10562) KWin::Client::readUserTimeMapTimestamp: User timestamp, final: 'ID: 88080524 ;WMCLASS: "kate" : "kate" ;Caption: "Errori o avvertimenti durante l'apertura dei documenti – Kate" ' : 5537475 kwin(10562) KWin::Workspace::allowClientActivation: Activation: Belongs to active application kwin(10562) KWin::Workspace::updateClientArea: screens: 1 desktops: 3 kwin(10562) KWin::Workspace::updateClientArea: Done. kwin(10562) KWin::Workspace::allowFullClientRaising: Raising: Belongs to active application kwin(10562) KWin::Workspace::allowFullClientRaising: Raising: Belongs to active application kwin(10562) KWin::Workspace::updateClientArea: screens: 1 desktops: 3 kwin(10562) KWin::Workspace::updateClientArea: Done. kwin(10562) KWin::Extensions::init: Extensions: shape: 0x "11" composite: 0x "4" render: 0x "b" fixes: 0x "50" non_native_pixmaps: false kwin(10562) KWin::Extensions::init: Extensions: shape: 0x "11" composite: 0x "4" render: 0x "b" fixes: 0x "50" non_native_pixmaps: false kwin(10562) KWin::CompositingPrefs::detect: glx version is 1 . 4 kwin(10562) KWin::Workspace::setupCompositing: Initializing OpenGL compositing kwin(10562) KWin::SceneOpenGL::initBufferConfigs: Drawable visual (depth 24 ): 0x "31a" kwin(10562) KWin::SceneOpenGL::initBufferConfigs: Drawable visual (depth 32 ): 0x "76" kwin(10562) KWin::SceneOpenGL::initBuffer: Buffer visual (depth 24 ): 0x "32a" kwin(10562) KWin::ShaderManager::initShaders: Ortho Shader is valid kwin(10562) KWin::ShaderManager::initShaders: Generic Shader is valid kwin(10562) KWin::ShaderManager::initShaders: Color Shader is valid kwin(10562) KWin::SceneOpenGL::SceneOpenGL: DB: true , Direct: true kwin(10562) KWin::currentRefreshRate: Refresh rate 60 Hz kwin(10562) KWin::EffectsHandlerImpl::loadEffect: Trying to load "kwin4_effect_slidingpopups" kwin(10562) KWin::EffectsHandlerImpl::loadEffect: Trying to load "kwin4_effect_fade" kwin(10562) KWin::EffectsHandlerImpl::loadEffect: Trying to load "kwin4_effect_desktopgrid" kwin(10562) KWin::EffectsHandlerImpl::loadEffect: Trying to load "kwin4_effect_fadedesktop" kwin(10562) KWin::EffectsHandlerImpl::loadEffect: Trying to load "kwin4_effect_presentwindows" kwin(10562) KWin::EffectsHandlerImpl::loadEffect: Trying to load "kwin4_effect_dashboard" kwin(10562) KWin::EffectsHandlerImpl::loadEffect: Trying to load "kwin4_effect_login" kwin(10562) KWin::EffectsHandlerImpl::loadEffect: Trying to load "kwin4_effect_startupfeedback" kwin(10562) KWin::EffectsHandlerImpl::loadEffect: Trying to load "kwin4_effect_outline" kwin(10562) KWin::EffectsHandlerImpl::loadEffect: Trying to load "kwin4_effect_boxswitch" kwin(10562) KWin::EffectsHandlerImpl::loadEffect: Trying to load "kwin4_effect_taskbarthumbnail" kwin(10562) KWin::EffectsHandlerImpl::loadEffect: Trying to load "kwin4_effect_logout" kwin(10562) KWin::EffectsHandlerImpl::loadEffect: Trying to load "kwin4_effect_screenshot" kwin(10562) KWin::EffectsHandlerImpl::loadEffect: Trying to load "kwin4_effect_translucency" kwin(10562) KWin::EffectsHandlerImpl::loadEffect: Trying to load "kwin4_effect_highlightwindow" kwin(10562) KWin::EffectsHandlerImpl::loadEffect: Trying to load "kwin4_effect_zoom" kwin(10562) KWin::EffectsHandlerImpl::loadEffect: Trying to load "kwin4_effect_dialogparent" kwin(10562) KWin::EffectsHandlerImpl::loadEffect: Trying to load "kwin4_effect_minimizeanimation" kwin(10562) KWin::EffectsHandlerImpl::loadEffect: Trying to load "kwin4_effect_coverswitch" kwin(10562) KWin::Client::pingTimeout: Ping timeout: "Re: [Lcms-user] accessing (all) tags from a profile - Mozilla Firefox" kwin(10562) KWin::Client::killProcess: Kill process: 11963 ( "localhost" ) kwin(10562) KWin::Client::readUserTimeMapTimestamp: User timestamp, ASN: 7093626 kwin(10562) KWin::Client::readUserTimeMapTimestamp: User timestamp, final: 'ID: 92274706 ;WMCLASS: "kwin_killer_helper" : "kwin_killer_helper" ;Caption: "Avvertimento – KWin" ' : 7093626 kwin(10562) KWin::Workspace::allowClientActivation: Activation, compared: 'ID: 92274706 ;WMCLASS: "kwin_killer_helper" : "kwin_killer_helper" ;Caption: "Avvertimento – KWin" ' : 7093626 : 7096159 : false kwin(10562) KWin::Workspace::updateClientArea: screens: 1 desktops: 3 kwin(10562) KWin::Workspace::updateClientArea: Done. kwin(12875) KDecorationPlugins::loadPlugin: kwin : path "/usr/lib64/kde4/kwin3_oxygen.so" for "kwin3_oxygen" [...] The crash does not seem to be reproducible. -- Backtrace: Application: KWin (kwin), signal: Segmentation fault Using host libthread_db library "/lib64/libthread_db.so.1". 82 T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS) [KCrash Handler] #6 0x0000032950a4e5f4 in QWidget::hide (this=0x0) at /usr/include/qt4/QtGui/qwidget.h:498 #7 0x0000032950a41fe4 in KWin::PresentWindowsEffect::setHighlightedWindow (this=0x3002bd73c0, w=0x3002568450) at /var/tmp/portage/kde-base/kwin-9999/work/kwin-9999/kwin/effects/presentwindows/presentwindows.cpp:1806 #8 0x0000032950a4b203 in KWin::PresentWindowsEffect::slotWindowClosed (this=0x3002bd73c0, w=0x300240a5a0) at /var/tmp/portage/kde-base/kwin-9999/work/kwin-9999/kwin/effects/presentwindows/presentwindows.cpp:475 #9 0x0000032976e8e117 in QMetaObject::activate (sender=0x3002b94af0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x3e921c44760) at kernel/qobject.cpp:3547 #10 0x000003297820b0a2 in KWin::EffectsHandler::windowClosed (this=<optimized out>, _t1=0x300240a5a0) at /var/tmp/portage/kde-base/kwin-9999/work/kwin-9999_build/kwin/libkwineffects/kwineffects.moc:260 #11 0x0000032976e8e117 in QMetaObject::activate (sender=0x30026fa820, m=<optimized out>, local_signal_index=<optimized out>, argv=0x3e921c448d0) at kernel/qobject.cpp:3547 #12 0x000003297bf1f12f in KWin::Toplevel::windowClosed (this=<optimized out>, _t1=0x30026fa820, _t2=0x3002637340) at /var/tmp/portage/kde-base/kwin-9999/work/kwin-9999_build/kwin/toplevel.moc:326 #13 0x000003297beac31e in KWin::Client::releaseWindow (this=0x30026fa820, on_shutdown=false) at /var/tmp/portage/kde-base/kwin-9999/work/kwin-9999/kwin/client.cpp:247 #14 0x000003297becf6e9 in KWin::Client::windowEvent (this=0x30026fa820, e=0x3e921c451a0) at /var/tmp/portage/kde-base/kwin-9999/work/kwin-9999/kwin/events.cpp:584 #15 0x000003297becf987 in KWin::Workspace::workspaceEvent (this=0x30023be160, e=0x3e921c451a0) at /var/tmp/portage/kde-base/kwin-9999/work/kwin-9999/kwin/events.cpp:295 #16 0x000003297bec2a59 in KWin::Application::x11EventFilter (this=0x3e921c45480, e=0x3e921c451a0) at /var/tmp/portage/kde-base/kwin-9999/work/kwin-9999/kwin/main.cpp:359 #17 0x0000032975f9f815 in qt_x11EventFilter (ev=0x3e921c451a0) at kernel/qapplication_x11.cpp:435 #18 qt_x11EventFilter (ev=0x3e921c451a0) at kernel/qapplication_x11.cpp:423 #19 0x0000032975facb16 in QApplication::x11ProcessEvent (this=0x3e921c45480, event=0x3e921c451a0) at kernel/qapplication_x11.cpp:3332 #20 0x0000032975fd7051 in QEventDispatcherX11::processEvents (this=0x30021cc9b0, flags=...) at kernel/qeventdispatcher_x11.cpp:132 #21 0x0000032976e768c2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149 #22 0x0000032976e76b07 in QEventLoop::exec (this=0x3e921c45410, flags=...) at kernel/qeventloop.cpp:204 #23 0x0000032976e7c047 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148 #24 0x000003297bec4674 in kdemain (argc=1, argv=<optimized out>) at /var/tmp/portage/kde-base/kwin-9999/work/kwin-9999/kwin/main.cpp:541 #25 0x000003297495732d in __libc_start_main (main=0x3001fbfa90 <main(int, char**)>, argc=1, ubp_av=0x3e921c45af8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x3e921c45ae8) at libc-start.c:234 #26 0x0000003001fbfaed in _start () Reported using DrKonqi 1224639 1 thomas.luebking 2012-02-08 19:16:31 +0000 Git commit bfb1c63e8d75473aa473c4027b618773a879b907 by Thomas Lübking. Committed on 08/02/2012 at 19:17. Pushed by luebking into branch 'KDE/4.8'. secure closeView NULL pointer access M +2 -1 kwin/effects/presentwindows/presentwindows.cpp http://commits.kde.org/kde-workspace/bfb1c63e8d75473aa473c4027b618773a879b907