Application: kwin (4.5.1 (KDE 4.5.1)) KDE Platform Version: 4.5.1 (KDE 4.5.1) Qt Version: 4.7.0 Operating System: Linux 2.6.35-27-generic i686 Distribution: Ubuntu 10.10 -- Information about the crash: - What I was doing when the application crashed: Crashes not often, only when I switch between the applications. Plasma panel goes down too. The crash can be reproduced some of the time. -- Backtrace: Application: KWin (kwin), signal: Segmentation fault [Current thread is 1 (Thread 0xb7773730 (LWP 1717))] Thread 2 (Thread 0xaddbab70 (LWP 1720)): #0 0x00692e36 in clock_gettime () from /lib/librt.so.1 #1 0x0885450b in do_gettime () at tools/qelapsedtimer_unix.cpp:105 #2 qt_gettime () at tools/qelapsedtimer_unix.cpp:119 #3 0x0892b6e5 in QTimerInfoList::updateCurrentTime (this=0x92bde68) at kernel/qeventdispatcher_unix.cpp:339 #4 0x0892b72a in QTimerInfoList::timerWait (this=0x92bde68, tm=...) at kernel/qeventdispatcher_unix.cpp:442 #5 0x0892ccab in QEventDispatcherUNIX::processEvents (this=0x9258bd8, flags=...) at kernel/qeventdispatcher_unix.cpp:906 #6 0x088f9609 in QEventLoop::processEvents (this=0xaddba270, flags=) at kernel/qeventloop.cpp:149 #7 0x088f9a8a in QEventLoop::exec (this=0xaddba270, flags=...) at kernel/qeventloop.cpp:201 #8 0x087f5b7e in QThread::exec (this=0x9268310) at thread/qthread.cpp:490 #9 0x088d835b in QInotifyFileSystemWatcherEngine::run (this=0x9268310) at io/qfilesystemwatcher_inotify.cpp:248 #10 0x087f8df9 in QThreadPrivate::start (arg=0x9268310) at thread/qthread_unix.cpp:266 #11 0x004dfcc9 in start_thread () from /lib/libpthread.so.0 #12 0x0023869e in clone () from /lib/libc.so.6 Thread 1 (Thread 0xb7773730 (LWP 1717)): [KCrash Handler] #7 Aurorae::AuroraeScene::isActive (this=0x97c9f28) at ../../../../../kwin/clients/aurorae/src/lib/auroraescene.cpp:588 #8 0x041cc023 in Aurorae::AuroraeTab::qt_metacall (this=0x97c9f28, _c=152315756, _id=24, _a=0xbfafc3ac) at moc_auroraetab.cpp:87 #9 0x089008ca in QMetaObject::metacall (object=0x97c9f28, cl=3215967148, idx=24, argv=0xbfafc3ac) at kernel/qmetaobject.cpp:237 #10 0x089136ad in QMetaObject::activate (sender=0x913f928, m=0x41e3230, local_signal_index=20, argv=0x0) at kernel/qobject.cpp:3280 #11 0x041cb817 in Aurorae::AuroraeScene::activeChanged (this=0x913f928) at moc_auroraescene.cpp:308 #12 0x041d3422 in Aurorae::AuroraeScene::setActive (this=0x913f928, active=false, animate=true) at ../../../../../kwin/clients/aurorae/src/lib/auroraescene.cpp:607 #13 0x041cd9ea in Aurorae::AuroraeClient::activeChange (this=0x9927d38) at ../../../../../kwin/clients/aurorae/src/aurorae.cpp:210 #14 0x00edb679 in KWin::Client::setActive (this=0x98de380, act=false) at ../../kwin/activation.cpp:902 #15 0x00edb365 in KWin::Workspace::setActiveClient (this=0xb4b04c58, c=0x9878d58) at ../../kwin/activation.cpp:236 #16 0x00edb5ae in KWin::Client::setActive (this=0x9878d58, act=true) at ../../kwin/activation.cpp:882 #17 0x00ec4e95 in KWin::Client::focusInEvent (this=0x9878d58, e=0xbfafcadc) at ../../kwin/events.cpp:1526 #18 0x00ec7cc6 in KWin::Client::windowEvent (this=0x9878d58, e=0xbfafcadc) at ../../kwin/events.cpp:715 #19 0x00ec87e4 in KWin::Workspace::workspaceEvent (this=0xb4b04c58, e=0xbfafcadc) at ../../kwin/events.cpp:307 #20 0x00e9fb32 in KWin::Application::x11EventFilter (this=0xbfafccc4, e=0xbfafcadc) at ../../kwin/main.cpp:363 #21 0x01410eb0 in qt_x11EventFilter (ev=0xbfafcadc) at kernel/qapplication_x11.cpp:408 #22 0x01421ab0 in QApplication::x11ProcessEvent (this=0xbfafccc4, event=0xbfafcadc) at kernel/qapplication_x11.cpp:3248 #23 0x01452fc7 in QEventDispatcherX11::processEvents (this=0x9064cd8, flags=...) at kernel/qeventdispatcher_x11.cpp:132 #24 0x088f9609 in QEventLoop::processEvents (this=0xbfafcc14, flags=) at kernel/qeventloop.cpp:149 #25 0x088f9a8a in QEventLoop::exec (this=0xbfafcc14, flags=...) at kernel/qeventloop.cpp:201 #26 0x088fe00f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009 #27 0x0138ee07 in QApplication::exec () at kernel/qapplication.cpp:3672 #28 0x00ea1c54 in kdemain (argc=1, argv=0xbfafcf24) at ../../kwin/main.cpp:531 #29 0x080485ab in main (argc=1, argv=0xbfafcf24) at kwin_dummy.cpp:3 Possible duplicates by query: bug 254858, bug 242791. Reported using DrKonqi
bug #242791 is different from this and its dupe since there's a null pointer access and here's (likely) a dangeling pointer *** This bug has been marked as a duplicate of bug 254858 ***