Application: kwin (4.10.5)
KDE Platform Version: 4.10.5
Qt Version: 4.8.4
Operating System: Linux 3.9.10-100.fc17.x86_64 x86_64
Distribution: "Fedora release 17 (Beefy Miracle)"

-- Information about the crash:
- What I was doing when the application crashed:
I was editing some photos, switching between windows.....

-- Backtrace:
Application: KWin (kwin), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
82	T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
[Current thread is 1 (Thread 0x7f31ca4e6880 (LWP 1446))]

Thread 2 (Thread 0x7f31affff700 (LWP 1456)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:166
#1  0x0000003aac586797 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x3aac894640) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#2  0x0000003aac5867c9 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=<optimized out>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#3  0x0000003a86207d14 in start_thread (arg=0x7f31affff700) at pthread_create.c:309
#4  0x0000003a856f168d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 1 (Thread 0x7f31ca4e6880 (LWP 1446)):
[KCrash Handler]
#6  pointInsideRectAndMask (p=..., this=<optimized out>) at ../../src/gui/image/qpixmapfilter_p.h:149
#7  QWidgetPrivate::childAt_helper (this=0x17c9060, p=..., ignoreChildrenInDestructor=false) at kernel/qwidget.cpp:9983
#8  0x0000003505445a20 in QETWidget::translateMouseEvent (this=this@entry=0x196eb50, event=event@entry=0x7fff5242dd50) at kernel/qapplication_x11.cpp:4525
#9  0x0000003505444851 in QApplication::x11ProcessEvent (this=0x7fff5242e2b0, event=0x7fff5242dd50) at kernel/qapplication_x11.cpp:3660
#10 0x000000350546b3a9 in QEventDispatcherX11::processEvents (this=0x6b8bf0, flags=...) at kernel/qeventdispatcher_x11.cpp:132
#11 0x0000003a90f7651f in QEventLoop::processEvents (this=this@entry=0x7fff5242dfc0, flags=...) at kernel/qeventloop.cpp:149
#12 0x0000003a90f767a8 in QEventLoop::exec (this=0x7fff5242dfc0, flags=...) at kernel/qeventloop.cpp:204
#13 0x0000003a90f7b638 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1221
#14 0x000000351086826a in kdemain () from /lib64/libkdeinit4_kwin.so
#15 0x0000003a85621735 in __libc_start_main (main=0x400920, argc=1, ubp_av=0x7fff5242e3f8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff5242e3e8) at libc-start.c:226
#16 0x0000000000400951 in _start ()

This bug may be a duplicate of or related to bug 303575.

Possible duplicates by query: bug 326142.

Reported using DrKonqi