Application: kwin (4.8.5 (4.8.5))
KDE Platform Version: 4.8.5 (4.8.5)
Qt Version: 4.8.1
Operating System: Linux 3.2.0-37-generic x86_64
Distribution: Ubuntu 12.04.2 LTS

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

I tried to shutdown computer! after surfing on firefox... Kmail was opened abd i've just check if there are updates with Muon-updates! that's all.

-- Backtrace:
Application: KWin (kwin), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f7c18301780 (LWP 2564))]

Thread 3 (Thread 0x7f7bfcafa700 (LWP 2570)):
#0  0x00007f7c17b09033 in select () at ../sysdeps/unix/syscall-template.S:82
#1  0x00007f7c13358366 in qt_safe_select (nfds=18, fdread=0x7f7bf0000ac8, fdwrite=0x7f7bf0000d60, fdexcept=0x7f7bf0000ff8, orig_timeout=<optimized out>) at kernel/qcore_unix.cpp:83
#2  0x00007f7c1335d7b2 in QEventDispatcherUNIXPrivate::doSelect (this=0x7f7bf0000910, flags=..., timeout=0x0) at kernel/qeventdispatcher_unix.cpp:223
#3  0x00007f7c1335dca3 in QEventDispatcherUNIX::processEvents (this=0x7f7bf00008f0, flags=...) at kernel/qeventdispatcher_unix.cpp:926
#4  0x00007f7c1332ac82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f7c1332aed7 in QEventLoop::exec (this=0x7f7bfcaf9dd0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f7c13229fa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007f7c1330a9ff in QInotifyFileSystemWatcherEngine::run (this=0x18a2a80) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f7c1322cfcb in QThreadPrivate::start (arg=0x18a2a80) at thread/qthread_unix.cpp:298
#9  0x00007f7c0c451e9a in start_thread (arg=0x7f7bfcafa700) at pthread_create.c:308
#10 0x00007f7c17b0fccd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f7bf7fff700 (LWP 2571)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f7c145c4222 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007f7c145c4259 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007f7c0c451e9a in start_thread (arg=0x7f7bf7fff700) at pthread_create.c:308
#4  0x00007f7c17b0fccd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f7c18301780 (LWP 2564)):
[KCrash Handler]
#6  0x0000000000000090 in ?? ()
#7  0x00007f7c17ea792a in KWin::Deleted::copyToDeleted (this=0x1a31360, c=0x181c4a0) at ../../kwin/deleted.cpp:78
#8  0x00007f7c17ea7bad in KWin::Deleted::create (c=0x181c4a0) at ../../kwin/deleted.cpp:53
#9  0x00007f7c17e89570 in KWin::Unmanaged::release (this=0x181c4a0) at ../../kwin/unmanaged.cpp:85
#10 0x00007f7c17e21ced in KWin::Workspace::~Workspace (this=0x17fa400, __in_chrg=<optimized out>) at ../../kwin/workspace.cpp:533
#11 0x00007f7c17e22559 in KWin::Workspace::~Workspace (this=0x17fa400, __in_chrg=<optimized out>) at ../../kwin/workspace.cpp:563
#12 0x00007f7c17e39305 in KWin::Application::~Application (this=0x7fff2612f6b0, __in_chrg=<optimized out>) at ../../kwin/main.cpp:340
#13 0x00007f7c17e3bc94 in kdemain (argc=<optimized out>, argv=<optimized out>) at ../../kwin/main.cpp:541
#14 0x00007f7c17a3d76d in __libc_start_main (main=0x400630 <main(int, char**)>, argc=3, ubp_av=0x7fff2612fdd8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff2612fdc8) at libc-start.c:226
#15 0x0000000000400661 in _start ()

This bug may be a duplicate of or related to bug 309862.

Possible duplicates by query: bug 313828, bug 309934, bug 309862, bug 308636, bug 308593.

Reported using DrKonqi