Application: kwin (4.4.2 (KDE 4.4.2))
KDE Platform Version: 4.4.2 (KDE 4.4.2)
Qt Version: 4.6.2
Operating System: Linux 2.6.32-25-generic x86_64
Distribution: Ubuntu 10.04.1 LTS

-- Information about the crash:
I had just rebooted due to updates, right clicked on a window to move it to another desktop as is my custom after a boot of any kind.

The kwin crash happened at that point.


 -- Backtrace:
Application: KWin (kwin), signal: Segmentation fault
[Current thread is 1 (Thread 0x7fa252c467a0 (LWP 2150))]

Thread 2 (Thread 0x7fa231dec710 (LWP 2153)):
#0  __libc_disable_asynccancel () at ../nptl/sysdeps/unix/sysv/linux/x86_64/cancellation.S:89
#1  0x00007fa2524d2fcb in *__GI___poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=1) at ../sysdeps/unix/sysv/linux/poll.c:89
#2  0x00007fa2470a44a9 in ?? () from /lib/libglib-2.0.so.0
#3  0x00007fa2470a48fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#4  0x00007fa24e2ff566 in QEventDispatcherGlib::processEvents (this=0x1681010, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:414
#5  0x00007fa24e2d4992 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#6  0x00007fa24e2d4d6c in QEventLoop::exec (this=0x7fa231debd70, flags=) at kernel/qeventloop.cpp:201
#7  0x00007fa24e1ded59 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:487
#8  0x00007fa24e2b5178 in QInotifyFileSystemWatcherEngine::run (this=0x16790c0) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x00007fa24e1e1775 in QThreadPrivate::start (arg=0x16790c0) at thread/qthread_unix.cpp:248
#10 0x00007fa24df519ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#11 0x00007fa2524df72d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fa252c467a0 (LWP 2150)):
[KCrash Handler]
#5  QWidgetPrivate::close_helper (this=0x6341726564726f42, mode=QWidgetPrivate::CloseWithEvent) at kernel/qwidget.cpp:7547
#6  0x00007fa2527fe5c2 in KWin::Workspace::closeActivePopup (this=0x102f0e0) at ../../kwin/useractions.cpp:464
#7  0x00007fa25280b756 in KWin::Workspace::showWindowMenu (this=0x102f0e0, pos=..., cl=<value optimized out>) at ../../kwin/useractions.cpp:1599
#8  0x00007fa2527c0497 in KWin::Workspace::showWindowMenu (this=<value optimized out>, c=<value optimized out>, pos=<value optimized out>) at ../../kwin/workspace.h:1107
#9  KWin::ClientGroup::displayClientMenu (this=<value optimized out>, c=<value optimized out>, pos=<value optimized out>) at ../../kwin/clientgroup.cpp:250
#10 0x00007fa23deac2b9 in Oxygen::OxygenClient::mousePressEvent (this=0x16a1610, event=0x7fff2f39eb80) at ../../../../kwin/clients/oxygen/oxygenclient.cpp:1469
#11 0x00007fa23deac500 in Oxygen::OxygenClient::eventFilter (this=0x16a1610, object=0x169e8b0, event=0x7fff2f39eb80) at ../../../../kwin/clients/oxygen/oxygenclient.cpp:1266
#12 0x00007fa24e2d5487 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<value optimized out>, receiver=0x169e8b0, event=0x7fff2f39eb80) at kernel/qcoreapplication.cpp:819
#13 0x00007fa24ea221fc in QApplicationPrivate::notify_helper (this=0x10548a0, receiver=0x169e8b0, e=0x7fff2f39eb80) at kernel/qapplication.cpp:4296
#14 0x00007fa24ea28ecb in QApplication::notify (this=0x7fff2f39f890, receiver=0x169e8b0, e=0x7fff2f39eb80) at kernel/qapplication.cpp:3865
#15 0x00007fa251fe3526 in KApplication::notify (this=0x7fff2f39f890, receiver=0x169e8b0, event=0x7fff2f39eb80) at ../../kdeui/kernel/kapplication.cpp:302
#16 0x00007fa24e2d606c in QCoreApplication::notifyInternal (this=0x7fff2f39f890, receiver=0x169e8b0, event=0x7fff2f39eb80) at kernel/qcoreapplication.cpp:704
#17 0x00007fa24ea280ae in QCoreApplication::sendEvent (receiver=0x169e8b0, event=0x7fff2f39eb80, alienWidget=0x0, nativeWidget=0x169e8b0, buttonDown=<value optimized out>, 
    lastMouseReceiver=<value optimized out>, spontaneous=true) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#18 QApplicationPrivate::sendMouseEvent (receiver=0x169e8b0, event=0x7fff2f39eb80, alienWidget=0x0, nativeWidget=0x169e8b0, buttonDown=<value optimized out>, lastMouseReceiver=<value optimized out>, 
    spontaneous=true) at kernel/qapplication.cpp:2965
#19 0x00007fa24eaa7f65 in QETWidget::translateMouseEvent (this=0x169e8b0, event=<value optimized out>) at kernel/qapplication_x11.cpp:4368
#20 0x00007fa24eaa68ac in QApplication::x11ProcessEvent (this=<value optimized out>, event=0x7fff2f39f4a0) at kernel/qapplication_x11.cpp:3501
#21 0x00007fa24ead2882 in x11EventSourceDispatch (s=0x1058690, callback=<value optimized out>, user_data=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:146
#22 0x00007fa2470a08c2 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#23 0x00007fa2470a4748 in ?? () from /lib/libglib-2.0.so.0
#24 0x00007fa2470a48fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#25 0x00007fa24e2ff513 in QEventDispatcherGlib::processEvents (this=0x103aaa0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:412
#26 0x00007fa24ead246e in QGuiEventDispatcherGlib::processEvents (this=0x6341726564726f42, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#27 0x00007fa24e2d4992 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#28 0x00007fa24e2d4d6c in QEventLoop::exec (this=0x7fff2f39f7d0, flags=) at kernel/qeventloop.cpp:201
#29 0x00007fa24e2d8aab in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#30 0x00007fa2527cb7be in kdemain (argc=<value optimized out>, argv=<value optimized out>) at ../../kwin/main.cpp:526
#31 0x00007fa252417c4d in __libc_start_main (main=<value optimized out>, argc=<value optimized out>, ubp_av=<value optimized out>, init=<value optimized out>, fini=<value optimized out>, 
    rtld_fini=<value optimized out>, stack_end=0x7fff2f39fd98) at libc-start.c:226
#32 0x00000000004006b9 in _start ()

This bug may be a duplicate of or related to bug 195907.

Possible duplicates by query: bug 240096, bug 218626.

Reported using DrKonqi