Application: kwin (4.10.5 "release 1") KDE Platform Version: 4.10.5 "release 1" Qt Version: 4.8.4 Operating System: Linux 3.7.10-1.16-desktop x86_64 Distribution: "openSUSE 12.3 (x86_64)" -- Information about the crash: I used the effect of office 'stacking context' I turn in the corner of the desktop with the mouse, I appuiyais the shortened 'Tab' to change the window when the crash occurred KWin The crash can be reproduced sometimes. -- Backtrace: Application: KWin (kwin), signal: Segmentation fault Using host libthread_db library "/lib64/libthread_db.so.1". [Current thread is 1 (Thread 0x7fb757c667c0 (LWP 3492))] Thread 2 (Thread 0x7fb72bfff700 (LWP 3509)): #0 0x00007fb75240d964 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007fb753d5c307 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x7fb754069660 <QTWTF::pageheap_memory>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359 #2 0x00007fb753d5c339 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=<optimized out>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464 #3 0x00007fb752409e0f in start_thread () from /lib64/libpthread.so.0 #4 0x00007fb7574807dd in clone () from /lib64/libc.so.6 Thread 1 (Thread 0x7fb757c667c0 (LWP 3492)): [KCrash Handler] #5 KWin::EffectsHandlerImpl::setTabBoxWindow (this=0x1018f20, w=0x0) at /usr/src/debug/kde-workspace-4.10.5/kwin/effects.cpp:1903 #6 0x00007fb738a33e60 in selectNextOrPreviousWindow (forward=<optimized out>, this=<optimized out>) at /usr/src/debug/kde-workspace-4.10.5/kwin/effects/flipswitch/flipswitch.cpp:852 #7 KWin::FlipSwitchEffect::selectNextOrPreviousWindow (this=<optimized out>, forward=<optimized out>) at /usr/src/debug/kde-workspace-4.10.5/kwin/effects/flipswitch/flipswitch.cpp:832 #8 0x00007fb75781f8e1 in KWin::EffectsHandlerImpl::checkInputWindowEvent (this=<optimized out>, e=0x7fffedfdc130) at /usr/src/debug/kde-workspace-4.10.5/kwin/effects.cpp:1069 #9 0x00007fb7577bb6b9 in KWin::Workspace::workspaceEvent (this=0x9f06b0, e=0x7fffedfdc130) at /usr/src/debug/kde-workspace-4.10.5/kwin/events.cpp:252 #10 0x00007fb7577ad6c8 in KWin::Application::x11EventFilter (this=0x7fffedfdc690, e=0x7fffedfdc130) at /usr/src/debug/kde-workspace-4.10.5/kwin/main.cpp:362 #11 0x00007fb751995bfc in qt_x11EventFilter (ev=0x7fffedfdc130) at kernel/qapplication_x11.cpp:435 #12 qt_x11EventFilter (ev=0x7fffedfdc130) at kernel/qapplication_x11.cpp:423 #13 0x00007fb7519a31eb in QApplication::x11ProcessEvent (this=0x7fffedfdc690, event=0x7fffedfdc130) at kernel/qapplication_x11.cpp:3362 #14 0x00007fb7519ca9d9 in QEventDispatcherX11::processEvents (this=0x7c3a70, flags=...) at kernel/qeventdispatcher_x11.cpp:132 #15 0x00007fb75279aadf in QEventLoop::processEvents (this=this@entry=0x7fffedfdc3a0, flags=...) at kernel/qeventloop.cpp:149 #16 0x00007fb75279ad68 in QEventLoop::exec (this=0x7fffedfdc3a0, flags=...) at kernel/qeventloop.cpp:204 #17 0x00007fb75279fa08 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218 #18 0x00007fb7577afd1a in kdemain (argc=3, argv=0x7fffedfdc7d8) at /usr/src/debug/kde-workspace-4.10.5/kwin/main.cpp:537 #19 0x00007fb7573b9a15 in __libc_start_main () from /lib64/libc.so.6 #20 0x0000000000400761 in _start () at ../sysdeps/x86_64/start.S:123 Possible duplicates by query: bug 316288. Reported using DrKonqi
'stacking context' =) -> "Flip Switch" The effect is not really usably supported for screen corner activation, 4.11 will have generic (and working ;-) support for invoking any tabbox from screen corner activation. *** This bug has been marked as a duplicate of bug 316288 ***