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 3.2.0-55-generic x86_64
Distribution: Ubuntu 12.04.3 LTS

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

I was just wanting to shut the computer down and then this bug appeared. It is not the first time!

-- 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 0x7fd0bc6af780 (LWP 2278))]

Thread 3 (Thread 0x7fd0a0ea5700 (LWP 2284)):
#0  0x00007fd0bbeb2763 in select () at ../sysdeps/unix/syscall-template.S:82
#1  0x00007fd0b7701366 in qt_safe_select (nfds=18, fdread=0x7fd094000ac8, fdwrite=0x7fd094000d60, fdexcept=0x7fd094000ff8, orig_timeout=<optimized out>) at kernel/qcore_unix.cpp:83
#2  0x00007fd0b77067b2 in QEventDispatcherUNIXPrivate::doSelect (this=0x7fd094000910, flags=..., timeout=0x0) at kernel/qeventdispatcher_unix.cpp:223
#3  0x00007fd0b7706ca3 in QEventDispatcherUNIX::processEvents (this=0x7fd0940008f0, flags=...) at kernel/qeventdispatcher_unix.cpp:926
#4  0x00007fd0b76d3c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fd0b76d3ed7 in QEventLoop::exec (this=0x7fd0a0ea4dd0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007fd0b75d2fa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007fd0b76b39ff in QInotifyFileSystemWatcherEngine::run (this=0x254cf80) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007fd0b75d5fcb in QThreadPrivate::start (arg=0x254cf80) at thread/qthread_unix.cpp:298
#9  0x00007fd0b07fae9a in start_thread (arg=0x7fd0a0ea5700) at pthread_create.c:308
#10 0x00007fd0bbeb93fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fd09bfff700 (LWP 2285)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fd0b896d222 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007fd0b896d259 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007fd0b07fae9a in start_thread (arg=0x7fd09bfff700) at pthread_create.c:308
#4  0x00007fd0bbeb93fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fd0bc6af780 (LWP 2278)):
[KCrash Handler]
#6  0x0000000000000000 in ?? ()
#7  0x00007fd0bc25192a in KWin::Deleted::copyToDeleted (this=0x276b720, c=0x27d3680) at ../../kwin/deleted.cpp:78
#8  0x00007fd0bc251bad in KWin::Deleted::create (c=0x27d3680) at ../../kwin/deleted.cpp:53
#9  0x00007fd0bc233570 in KWin::Unmanaged::release (this=0x27d3680) at ../../kwin/unmanaged.cpp:85
#10 0x00007fd0bc1cbced in KWin::Workspace::~Workspace (this=0x2489ba0, __in_chrg=<optimized out>) at ../../kwin/workspace.cpp:533
#11 0x00007fd0bc1cc559 in KWin::Workspace::~Workspace (this=0x2489ba0, __in_chrg=<optimized out>) at ../../kwin/workspace.cpp:563
#12 0x00007fd0bc1e3305 in KWin::Application::~Application (this=0x7fff72247a10, __in_chrg=<optimized out>) at ../../kwin/main.cpp:340
#13 0x00007fd0bc1e5c94 in kdemain (argc=<optimized out>, argv=<optimized out>) at ../../kwin/main.cpp:541
#14 0x00007fd0bbde676d in __libc_start_main (main=0x400630 <main(int, char**)>, argc=3, ubp_av=0x7fff72248138, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff72248128) at libc-start.c:226
#15 0x0000000000400661 in _start ()

This bug may be a duplicate of or related to bug 309934.

Possible duplicates by query: bug 323363, bug 322796, bug 321632, bug 320106, bug 314430.

Reported using DrKonqi