Application: kwin (4.8.2 (4.8.2))
KDE Platform Version: 4.8.2 (4.8.2)
Qt Version: 4.8.1
Operating System: Linux 3.2.0-24-generic-pae i686
Distribution: Ubuntu 12.04 LTS

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

KWin has crashed in x2go remote access setup over WLAN Internet access.

-- Backtrace:
Application: KWin (kwin), signal: Segmentation fault
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0xb7797740 (LWP 5275))]

Thread 3 (Thread 0xb4de3b40 (LWP 5278)):
#0  0x0062fdcd in __GI_clock_gettime (clock_id=1, tp=0xb4de2fe8) at ../sysdeps/unix/clock_gettime.c:116
#1  0x0133a315 in do_gettime (frac=0xb4de2fe0, sec=0xb4de2fd8) at tools/qelapsedtimer_unix.cpp:123
#2  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#3  0x01424226 in QTimerInfoList::updateCurrentTime (this=0xb4400b34) at kernel/qeventdispatcher_unix.cpp:343
#4  0x01425c2b in QEventDispatcherUNIXPrivate::doSelect (this=0xb4400498, flags=..., timeout=0x0) at kernel/qeventdispatcher_unix.cpp:186
#5  0x014261f4 in QEventDispatcherUNIX::processEvents (this=0xb4400488, flags=...) at kernel/qeventdispatcher_unix.cpp:926
#6  0x013ef50d in QEventLoop::processEvents (this=0xb4de3240, flags=...) at kernel/qeventloop.cpp:149
#7  0x013ef7a9 in QEventLoop::exec (this=0xb4de3240, flags=...) at kernel/qeventloop.cpp:204
#8  0x012d894c in QThread::exec (this=0x8b14b48) at thread/qthread.cpp:501
#9  0x013ccb5d in QInotifyFileSystemWatcherEngine::run (this=0x8b14b48) at io/qfilesystemwatcher_inotify.cpp:248
#10 0x012dbde0 in QThreadPrivate::start (arg=0x8b14b48) at thread/qthread_unix.cpp:298
#11 0x07b26d4c in start_thread (arg=0xb4de3b40) at pthread_create.c:308
#12 0x0052dace in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 2 (Thread 0xb43ffb40 (LWP 5279)):
#0  0x00919416 in __kernel_vsyscall ()
#1  0x07b2a96b in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:169
#2  0x0053b3dc in __pthread_cond_wait (cond=0x2794890, mutex=0x2794878) at forward.c:139
#3  0x02690029 in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#4  0x0269006f in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#5  0x07b26d4c in start_thread (arg=0xb43ffb40) at pthread_create.c:308
#6  0x0052dace in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 1 (Thread 0xb7797740 (LWP 5275)):
[KCrash Handler]
#7  __GI___libc_free (mem=0x1) at malloc.c:2968
#8  0x01e30f9b in XFree () from /usr/lib/i386-linux-gnu/libX11.so.6
#9  0x00701c76 in XRRUpdateConfiguration () from /usr/lib/i386-linux-gnu/libXrandr.so.2
#10 0x009b23b7 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#11 0x009a2632 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#12 0x04c3a534 in qt_x11EventFilter (ev=0xbf96311c) at kernel/qapplication_x11.cpp:441
#13 qt_x11EventFilter (ev=0xbf96311c) at kernel/qapplication_x11.cpp:429
#14 0x04c4a207 in QApplication::x11ProcessEvent (this=0xbf963368, event=0xbf96311c) at kernel/qapplication_x11.cpp:3444
#15 0x04c78a88 in QEventDispatcherX11::processEvents (this=0x89d5ea0, flags=...) at kernel/qeventdispatcher_x11.cpp:132
#16 0x013ef50d in QEventLoop::processEvents (this=0xbf9632a4, flags=...) at kernel/qeventloop.cpp:149
#17 0x013ef7a9 in QEventLoop::exec (this=0xbf9632a4, flags=...) at kernel/qeventloop.cpp:204
#18 0x013f4eba in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#19 0x04bbca74 in QApplication::exec () at kernel/qapplication.cpp:3820
#20 0x009a55b5 in kdemain () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#21 0x0804850b in ?? ()
#22 0x0045c4d3 in __libc_start_main (main=0x80484f0, argc=1, ubp_av=0xbf963614, init=0x80485e0 <__libc_csu_init>, fini=0x8048650 <__libc_csu_fini>, rtld_fini=0x691270 <_dl_fini>, stack_end=0xbf96360c) at libc-start.c:226
#23 0x08048531 in _start ()

Possible duplicates by query: bug 298370, bug 298304, bug 293648, bug 293209.

Reported using DrKonqi