Application: kwin (4.9.5)
KDE Platform Version: 4.9.5
Qt Version: 4.8.4
Operating System: Linux 3.7.6-201.fc18.x86_64 x86_64
Distribution: "Fedora release 18 (Spherical Cow)"

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

Changing monitor configuration and orientation in display settings.

The crash can be reproduced every time.

-- Backtrace:
Application: KWin (kwin), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
81	T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
[KCrash Handler]
#5  musable (mem=0x1) at malloc.c:4574
#6  __malloc_usable_size (m=0x1) at malloc.c:4588
#7  0x0000003749aab563 in ?? () from /usr/lib64/nvidia/libGL.so.1
#8  0x0000003749e01cc1 in ?? () from /usr/lib64/nvidia/tls/libnvidia-tls.so.304.64
#9  0x00000030ede45a09 in XFree (data=<optimized out>) at XlibInt.c:1701
#10 0x00000030f06027b6 in XRRUpdateConfiguration () from /lib64/libXrandr.so.2
#11 0x0000003e0e26ee50 in KWin::Workspace::workspaceEvent (this=0x1d14190, e=0x7fff6f34bd10) at /usr/src/debug/kde-workspace-4.9.5/kwin/events.cpp:461
#12 0x0000003e0e2607c8 in KWin::Application::x11EventFilter (this=0x7fff6f34c270, e=0x7fff6f34bd10) at /usr/src/debug/kde-workspace-4.9.5/kwin/main.cpp:362
#13 0x0000003e00e3687c in qt_x11EventFilter (ev=0x7fff6f34bd10) at kernel/qapplication_x11.cpp:435
#14 qt_x11EventFilter (ev=0x7fff6f34bd10) at kernel/qapplication_x11.cpp:423
#15 0x0000003e00e43ecb in QApplication::x11ProcessEvent (this=0x7fff6f34c270, event=0x7fff6f34bd10) at kernel/qapplication_x11.cpp:3372
#16 0x0000003e00e6b4f9 in QEventDispatcherX11::processEvents (this=0x1b69c40, flags=...) at kernel/qeventdispatcher_x11.cpp:132
#17 0x0000003e0077680f in QEventLoop::processEvents (this=this@entry=0x7fff6f34bf80, flags=...) at kernel/qeventloop.cpp:149
#18 0x0000003e00776a98 in QEventLoop::exec (this=0x7fff6f34bf80, flags=...) at kernel/qeventloop.cpp:204
#19 0x0000003e0077b888 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#20 0x0000003e0e262e54 in kdemain (argc=1, argv=0x7fff6f34c3b8) at /usr/src/debug/kde-workspace-4.9.5/kwin/main.cpp:545
#21 0x00000030e9e21a05 in __libc_start_main (main=0x400910 <main(int, char**)>, argc=1, ubp_av=0x7fff6f34c3b8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff6f34c3a8) at libc-start.c:225
#22 0x0000000000400941 in _start ()

Possible duplicates by query: bug 313783, bug 307675, bug 307023, bug 300515, bug 298845.

Reported using DrKonqi