Comment 12 for bug 1073890

Also got this:

Application: KWin (kwin), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[KCrash Handler]
#5 0x00007f5decb7259c in free () from /lib/x86_64-linux-gnu/libc.so.6
#6 0x00007f5deaca69a9 in XFree () from /usr/lib/x86_64-linux-gnu/libX11.so.6
#7 0x00007f5dea8477a6 in XRRUpdateConfiguration () from /usr/lib/x86_64-linux-gnu/libXrandr.so.2
#8 0x00007f5decf1cee0 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#9 0x00007f5decf0e848 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#10 0x00007f5de7c727bc in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#11 0x00007f5de7c827f0 in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#12 0x00007f5de7cab9d9 in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#13 0x00007f5de885d2bf in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#14 0x00007f5de885d548 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#15 0x00007f5de8862708 in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#16 0x00007f5decf10ed4 in kdemain () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#17 0x00007f5decb1076d in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6
#18 0x00000000004006d1 in _start ()

Maybe this is a variant of
https://bugs.launchpad.net/bugs/985202