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 2.6.32-22-generic x86_64
Distribution: Ubuntu 10.04 LTS

-- Information about the crash:
Loading KDE, some windows that were in the last session loaded and when I tried to move one of them KWin crashed.
There were some GTK apps open, like emesene, Skype and Opera.

 -- Backtrace:
Application: KWin (kwin), signal: Segmentation fault
[Current thread is 1 (Thread 0x7fa4dc78b7a0 (LWP 1431))]

Thread 2 (Thread 0x7fa4bbfec710 (LWP 1434)):
#0  0x00007fa4dc10df53 in *__GI___poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fa4d0f2a4a9 in ?? () from /lib/libglib-2.0.so.0
#2  0x00007fa4d0f2a8fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#3  0x00007fa4d8040566 in QEventDispatcherGlib::processEvents (this=0x15e6740, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:414
#4  0x00007fa4d8015992 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#5  0x00007fa4d8015d6c in QEventLoop::exec (this=0x7fa4bbfebd70, flags=) at kernel/qeventloop.cpp:201
#6  0x00007fa4d7f1fd59 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:487
#7  0x00007fa4d7ff6178 in QInotifyFileSystemWatcherEngine::run (this=0x1722cc0) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007fa4d7f22775 in QThreadPrivate::start (arg=0x1722cc0) at thread/qthread_unix.cpp:248
#9  0x00007fa4d7c929ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#10 0x00007fa4dc11a6cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fa4dc78b7a0 (LWP 1431)):
[KCrash Handler]
#5  QListData::begin (this=0xffffffffffffffff, c=0x246e1e0, before=-1, becomeVisible=true) at /usr/include/qt4/QtCore/qlist.h:93
#6  QList<KWin::Client*>::contains (this=0xffffffffffffffff, c=0x246e1e0, before=-1, becomeVisible=true) at /usr/include/qt4/QtCore/qlist.h:757
#7  KWin::ClientGroup::contains (this=0xffffffffffffffff, c=0x246e1e0, before=-1, becomeVisible=true) at ../../kwin/clientgroup.h:192
#8  KWin::ClientGroup::add (this=0xffffffffffffffff, c=0x246e1e0, before=-1, becomeVisible=true) at ../../kwin/clientgroup.cpp:52
#9  0x00007fa4dc432781 in KWin::Client::manage (this=0x246e1e0, w=<value optimized out>, isMapped=<value optimized out>) at ../../kwin/manage.cpp:307
#10 0x00007fa4dc3e7d22 in KWin::Workspace::createClient (this=0x14576a0, w=37748774, is_mapped=255) at ../../kwin/workspace.cpp:547
#11 0x00007fa4dc4269d1 in KWin::Workspace::workspaceEvent (this=0x14576a0, e=0x7fffea515250) at ../../kwin/events.cpp:378
#12 0x00007fa4dc403f58 in KWin::Application::x11EventFilter (this=0x7fffea515640, e=0x7fffea515250) at ../../kwin/main.cpp:361
#13 0x00007fa4d87d8641 in qt_x11EventFilter (ev=0x7fffea515250) at kernel/qapplication_x11.cpp:399
#14 0x00007fa4d87e7191 in QApplication::x11ProcessEvent (this=<value optimized out>, event=0x7fffea515250) at kernel/qapplication_x11.cpp:3231
#15 0x00007fa4d8813882 in x11EventSourceDispatch (s=0x11f71e0, callback=<value optimized out>, user_data=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:146
#16 0x00007fa4d0f268c2 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#17 0x00007fa4d0f2a748 in ?? () from /lib/libglib-2.0.so.0
#18 0x00007fa4d0f2a8fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#19 0x00007fa4d8040513 in QEventDispatcherGlib::processEvents (this=0x11d9c40, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:412
#20 0x00007fa4d881346e in QGuiEventDispatcherGlib::processEvents (this=0xffffffffffffffff, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#21 0x00007fa4d8015992 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#22 0x00007fa4d8015d6c in QEventLoop::exec (this=0x7fffea515580, flags=) at kernel/qeventloop.cpp:201
#23 0x00007fa4d8019aab in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#24 0x00007fa4dc4057be in kdemain (argc=<value optimized out>, argv=<value optimized out>) at ../../kwin/main.cpp:526
#25 0x00007fa4dc052c4d 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=0x7fffea515b48) at libc-start.c:226
#26 0x00000000004006b9 in _start ()

This bug may be a duplicate of or related to bug 229292.

Possible duplicates by query: bug 229292.

Reported using DrKonqi