Application: kwin (4.10.00)
KDE Platform Version: 4.10.00
Qt Version: 4.8.3
Operating System: Linux 3.5.0-25-generic x86_64
Distribution: Ubuntu 12.10

-- Information about the crash:
- What I was doing when the application crashed:

I logged into my session when kwin crashed. There was nothing special going on. Thank you!

-- Backtrace:
Application: KWin (kwin), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
[Current thread is 1 (Thread 0x7fafba87b7c0 (LWP 1801))]

Thread 2 (Thread 0x7faf9ef68700 (LWP 1804)):
[KCrash Handler]
#6  0x00007fafb54a602c in QCoreApplicationPrivate::sendPostedEvents (receiver=0x182a840, event_type=43, data=0x17dada0) at kernel/qcoreapplication.cpp:1443
#7  0x00007fafb65eb27c in KActivities::Consumer::listActivities() const () from /usr/lib/libkactivities.so.6
#8  0x00007fafba398ab4 in KWin::fetchActivityListAndCurrent (controller=0x17b9158) at ../../kwin/workspace.cpp:1405
#9  0x00007fafba3a3cf3 in QtConcurrent::StoredFunctorCall1<QPair<QString, QStringList>, QPair<QString, QStringList> (*)(KActivities::Controller*), KActivities::Controller*>::runFunctor (this=0x188be10) at /usr/include/qt4/QtCore/qtconcurrentstoredfunctioncall.h:267
#10 0x00007fafba3a82b6 in QtConcurrent::RunFunctionTask<QPair<QString, QStringList> >::run (this=0x188be10) at /usr/include/qt4/QtCore/qtconcurrentrunbase.h:106
#11 0x00007fafb539948d in QThreadPoolThread::run (this=0x17dac00) at concurrent/qthreadpool.cpp:107
#12 0x00007fafb53a5b1c in QThreadPrivate::start (arg=0x17dac00) at thread/qthread_unix.cpp:338
#13 0x00007fafae461e9a in start_thread (arg=0x7faf9ef68700) at pthread_create.c:308
#14 0x00007fafba08ccbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#15 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fafba87b7c0 (LWP 1801)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fafb53a607b in wait (time=18446744073709551615, this=0x17dab90) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x17daa98, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007fafb5398c5f in QThreadPoolPrivate::waitForDone (this=0x17daa10, msecs=msecs@entry=-1) at concurrent/qthreadpool.cpp:298
#4  0x00007fafb539a70d in QThreadPool::~QThreadPool (this=0x17da9f0, __in_chrg=<optimized out>) at concurrent/qthreadpool.cpp:440
#5  0x00007fafb539a749 in QThreadPool::~QThreadPool (this=0x17da9f0, __in_chrg=<optimized out>) at concurrent/qthreadpool.cpp:442
#6  0x00007fafb539a775 in QGlobalStaticDeleter<QThreadPool>::~QGlobalStaticDeleter (this=0x7fafb57f9fe8 <theInstance()::cleanup>, __in_chrg=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qglobal.h:1950
#7  0x00007fafb9fd4901 in __run_exit_handlers (status=1, listp=0x7fafba3516a8 <__exit_funcs>, run_list_atexit=true) at exit.c:78
#8  0x00007fafb9fd4985 in __GI_exit (status=<optimized out>) at exit.c:100
#9  0x00007fafb48b3b78 in qt_xio_errhandler () at kernel/qapplication_x11.cpp:781
#10 0x00007fafb9b79418 in KApplication::xioErrhandler (this=0x7fff2a4f3b50, dpy=0x1704520) at ../../kdeui/kernel/kapplication.cpp:419
#11 0x00007fafb814559e in _XIOError () from /usr/lib/x86_64-linux-gnu/libX11.so.6
#12 0x00007fafb814303d in _XEventsQueued () from /usr/lib/x86_64-linux-gnu/libX11.so.6
#13 0x00007fafb813460b in XEventsQueued () from /usr/lib/x86_64-linux-gnu/libX11.so.6
#14 0x00007fafb48efa92 in QEventDispatcherX11::processEvents (this=0x168bad0, flags=...) at kernel/qeventdispatcher_x11.cpp:141
#15 0x00007fafb54a12ef in QEventLoop::processEvents (this=this@entry=0x7fff2a4f3860, flags=...) at kernel/qeventloop.cpp:149
#16 0x00007fafb54a1578 in QEventLoop::exec (this=0x7fff2a4f3860, flags=...) at kernel/qeventloop.cpp:204
#17 0x00007fafb54a6738 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1187
#18 0x00007fafba3bfd5a in kdemain (argc=3, argv=0x7fff2a4f3c98) at ../../kwin/main.cpp:537
#19 0x00007fafb9fba76d in __libc_start_main (main=0x4006a0 <main(int, char**)>, argc=3, ubp_av=0x7fff2a4f3c98, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff2a4f3c88) at libc-start.c:226
#20 0x00000000004006d1 in _start ()

Possible duplicates by query: bug 313187.

Reported using DrKonqi