Version: (using KDE 4.2.0) Installed from: Gentoo Packages Related maybe of: https://bugs.kde.org/show_bug.cgi?id=156273 I have save the trace, but when I have go see it the file is empty.
If you are able to reproduce the crash please include the backtrace. With current information this bug is totally useless. Please have a look at http://techbase.kde.org/Development/Tutorials/Debugging/How_to_create_useful_crash_reports
yes I know but it's random bug, then hard to reproduct it and unable to save the bug.
Application: KWin (kwin), signal SIGABRT 0x00007fe18bd63870 in __nanosleep_nocancel () from /lib/libc.so.6 Current language: auto; currently c Thread 1 (Thread 0x7fe19159a760 (LWP 5527)): [KCrash Handler] #5 0x00007fe18bcf61e5 in *__GI_raise (sig=<value optimized out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64 #6 0x00007fe18bcf7703 in *__GI_abort () at abort.c:88 #7 0x00007fe18bcef229 in *__GI___assert_fail (assertion=0x7fe189bb9cdb "!c->xlib.lock", file=0x7fe189bb9cd0 "xcb_xlib.c", line=73, function=0x7fe189bb9d00 "xcb_xlib_lock") at assert.c:78 #8 0x00007fe189bb9c11 in xcb_xlib_lock (c=0x247e4c0) at xcb_xlib.c:73 #9 0x00007fe18e2f3c80 in _XCBLockDisplay (dpy=0x247c9b0) at xcb_lock.c:21 #10 0x00007fe18c9c8cb6 in XRenderFreePicture (dpy=0x247c9b0, picture=20971726) at Picture.c:236 #11 0x00007fe18ec3227b in QX11PixmapData::release (this=0x2586490) at image/qpixmap_x11.cpp:1179 #12 0x00007fe18ec32ba0 in ~QX11PixmapData (this=0x1597) at image/qpixmap_x11.cpp:1155 #13 0x00007fe18ec284a3 in QPixmap::deref (this=0x25246c8) at image/qpixmap.cpp:1264 #14 0x00007fe18ec287e4 in ~QPixmap (this=0x1597) at image/qpixmap.cpp:326 #15 0x00007fe18ed1a174 in ~QX11PaintEnginePrivate (this=0x2524670) at ../../include/QtGui/private/../../../src/gui/painting/qpaintengine_x11_p.h:144 #16 0x00007fe18ed10849 in ~QX11PaintEngine (this=0x25b09a0) at painting/qpaintengine_x11.cpp:451 #17 0x00007fe18ebf6855 in ~QGlobalStaticDeleter (this=0x7fe18f529e68) at ../../include/QtCore/../../src/corelib/global/qglobal.h:1563 #18 0x00007fe18bcf8d8d in *__GI_exit (status=1) at exit.c:75 #19 0x00007fe18e2ecc3d in _XDefaultError (dpy=<value optimized out>, event=<value optimized out>) at XlibInt.c:2860 #20 0x00007fe18e2ecdac in _XError (dpy=0x247c9b0, rep=0x2608160) at XlibInt.c:2912 #21 0x00007fe18e2f45bf in process_responses (dpy=0x247c9b0, wait_for_first_event=0, current_error=0x7fff995d1278, current_request=315871) at xcb_io.c:138 #22 0x00007fe18e2f4962 in _XReply (dpy=0x247c9b0, rep=0x7fff995d12c0, extra=0, discard=1) at xcb_io.c:370 #23 0x00007fe18e2e86b2 in XSync (dpy=0x247c9b0, discard=1) at Sync.c:48 #24 0x00007fe18e2c7c1f in XCloseDisplay (dpy=0x247c9b0) at ClDisplay.c:67 #25 0x00007fe18ebcc635 in qt_cleanup () at kernel/qapplication_x11.cpp:2325 #26 0x00007fe18eb725cf in ~QApplication (this=0x7fff995d1490) at kernel/qapplication.cpp:1019 #27 0x00007fe1911301f2 in kdemain (argc=<value optimized out>, argv=0x7fff995d1968) at /var/tmp/portage/kde-base/kwin-4.2.0/work/kwin-4.2.0/kwin/main.cpp:519 #28 0x00007fe18bce25c6 in __libc_start_main (main=0x400a00 <main>, argc=3, ubp_av=0x7fff995d1968, init=0x400a30 <__libc_csu_init>, fini=<value optimized out>, rtld_fini=<value optimized out>, stack_end=0x7fff995d1958) at libc-start.c:226 #29 0x0000000000400939 in _start ()
Thanks for taking the time to generate the backtrace. But we already have this one. *** This bug has been marked as a duplicate of bug 182462 ***