Application: kwin (4.10.5)
KDE Platform Version: 4.10.5
Qt Version: 4.8.4
Operating System: Linux 3.8.0-19-generic x86_64
Distribution: Ubuntu 13.04

-- Information about the crash:
- What I was doing when the application crashed. I was using gwenview. It happened trying to change to full frame mode (upper left buttons).

The crash can be reproduced every 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 0x7f885884e7c0 (LWP 1667))]

Thread 2 (Thread 0x7f8832e45700 (LWP 1677)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f8854956b27 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007f8854956b59 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007f8853ef6764 in ?? () from /usr/lib/nvidia-304-updates/libGL.so.1
#4  0x00007f884bbcaf8e in start_thread (arg=0x7f8832e45700) at pthread_create.c:311
#5  0x00007f8858063e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 1 (Thread 0x7f885884e7c0 (LWP 1667)):
[KCrash Handler]
#6  pointInsideRectAndMask (p=..., this=<optimized out>) at ../../include/QtGui/private/../../../src/gui/image/qpixmapfilter_p.h:149
#7  QWidgetPrivate::childAt_helper (this=0x312a030, p=..., ignoreChildrenInDestructor=ignoreChildrenInDestructor@entry=false) at kernel/qwidget.cpp:9983
#8  0x00007f88527988eb in QWidget::childAt (this=this@entry=0x2b924b0, p=...) at kernel/qwidget.cpp:9965
#9  0x00007f88527d3db0 in QETWidget::translateMouseEvent (this=this@entry=0x2b924b0, event=event@entry=0x7fff1091f2c0) at kernel/qapplication_x11.cpp:4619
#10 0x00007f88527d2e81 in QApplication::x11ProcessEvent (this=0x7fff1091f820, event=event@entry=0x7fff1091f2c0) at kernel/qapplication_x11.cpp:3746
#11 0x00007f88527feac9 in QEventDispatcherX11::processEvents (this=0x1d37ad0, flags=...) at kernel/qeventdispatcher_x11.cpp:132
#12 0x00007f88533b138f in QEventLoop::processEvents (this=this@entry=0x7fff1091f530, flags=...) at kernel/qeventloop.cpp:149
#13 0x00007f88533b1618 in QEventLoop::exec (this=this@entry=0x7fff1091f530, flags=...) at kernel/qeventloop.cpp:204
#14 0x00007f88533b6cf6 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#15 0x00007f8858399f0a in kdemain () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#16 0x00007f8857f8bea5 in __libc_start_main (main=0x4006d0 <main(int, char**)>, argc=1, ubp_av=0x7fff1091f968, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff1091f958) at libc-start.c:260
#17 0x0000000000400701 in _start ()

Possible duplicates by query: bug 308623.

Reported using DrKonqi