Continuing.

Program received signal SIGSEGV, Segmentation fault.
CompWindow::id (this=0x0) at /build/buildd/compiz-0.9.4git20110322/src/window.cpp:4467
4467	/build/buildd/compiz-0.9.4git20110322/src/window.cpp: No such file or directory.
	in /build/buildd/compiz-0.9.4git20110322/src/window.cpp
#0  CompWindow::id (this=0x0) at /build/buildd/compiz-0.9.4git20110322/src/window.cpp:4467
#1  0x000000000044fad2 in CompScreen::handleEvent (this=0x1c6b9f0, event=0x7fff83e65360) at /build/buildd/compiz-0.9.4git20110322/src/event.cpp:1292
#2  0x00007fe799c66ef4 in PrivateCompositeScreen::handleEvent (this=0x1d032c0, event=0x7fff83e65360) at /build/buildd/compiz-0.9.4git20110322/plugins/composite/src/screen.cpp:102
#3  0x000000000044e6c9 in CompScreen::handleEvent (this=0x1c6b9f0, event=0x7fff83e65360) at /build/buildd/compiz-0.9.4git20110322/src/event.cpp:986
#4  0x00007fe799a3522f in PrivateGLScreen::handleEvent (this=0x1d0e930, event=0x7fff83e65360) at /build/buildd/compiz-0.9.4git20110322/plugins/opengl/src/screen.cpp:588
#5  0x000000000044e6c9 in CompScreen::handleEvent (this=0x1c6b9f0, event=0x7fff83e65360) at /build/buildd/compiz-0.9.4git20110322/src/event.cpp:986
#6  0x00007fe79356ef93 in DecorScreen::handleEvent (this=0x207a0c0, event=0x7fff83e65360) at /build/buildd/compiz-0.9.4git20110322/plugins/decor/src/decor.cpp:1579
#7  0x000000000044e6c9 in CompScreen::handleEvent (this=0x1c6b9f0, event=0x7fff83e65360) at /build/buildd/compiz-0.9.4git20110322/src/event.cpp:986
#8  0x000000000044e6c9 in CompScreen::handleEvent (this=0x1c6b9f0, event=0x7fff83e65360) at /build/buildd/compiz-0.9.4git20110322/src/event.cpp:986
#9  0x00007fe792d304bf in RegexScreen::handleEvent (this=0x1cdda90, event=0x7fff83e65360) at /build/buildd/compiz-0.9.4git20110322/plugins/regex/src/regex.cpp:250
#10 0x000000000044e6c9 in CompScreen::handleEvent (this=0x1c6b9f0, event=0x7fff83e65360) at /build/buildd/compiz-0.9.4git20110322/src/event.cpp:986
#11 0x000000000044e6c9 in CompScreen::handleEvent (this=0x1c6b9f0, event=0x7fff83e65360) at /build/buildd/compiz-0.9.4git20110322/src/event.cpp:986
#12 0x00007fe7922057bc in MoveScreen::handleEvent (this=<value optimized out>, event=0x7fff83e65360) at /build/buildd/compiz-0.9.4git20110322/plugins/move/src/move.cpp:641
#13 0x000000000044e6c9 in CompScreen::handleEvent (this=0x1c6b9f0, event=0x7fff83e65360) at /build/buildd/compiz-0.9.4git20110322/src/event.cpp:986
#14 0x000000000044e6c9 in CompScreen::handleEvent (this=0x1c6b9f0, event=0x7fff83e65360) at /build/buildd/compiz-0.9.4git20110322/src/event.cpp:986
#15 0x000000000044e6c9 in CompScreen::handleEvent (this=0x1c6b9f0, event=0x7fff83e65360) at /build/buildd/compiz-0.9.4git20110322/src/event.cpp:986
#16 0x00007fe78feb51ad in WorkaroundsScreen::handleEvent (this=0x212d110, event=0x7fff83e65360) at /build/buildd/compiz-plugins-main-0.9.4git20110322/workarounds/src/workarounds.cpp:941
#17 0x000000000044e6c9 in CompScreen::handleEvent (this=0x1c6b9f0, event=0x7fff83e65360) at /build/buildd/compiz-0.9.4git20110322/src/event.cpp:986
#18 0x00007fe78fa76146 in ResizeScreen::handleEvent (this=0x2145950, event=0x7fff83e65360) at /build/buildd/compiz-0.9.4git20110322/plugins/resize/src/resize.cpp:1454
#19 0x000000000044e6c9 in CompScreen::handleEvent (this=0x1c6b9f0, event=0x7fff83e65360) at /build/buildd/compiz-0.9.4git20110322/src/event.cpp:986
#20 0x00007fe78f85c6c1 in FadeScreen::handleEvent (this=0x214ed90, event=0x7fff83e65360) at /build/buildd/compiz-0.9.4git20110322/plugins/fade/src/fade.cpp:76
#21 0x000000000044e6c9 in CompScreen::handleEvent (this=0x1c6b9f0, event=0x7fff83e65360) at /build/buildd/compiz-0.9.4git20110322/src/event.cpp:986
#22 0x00007fe78f64713b in UnityMTGrabHandlesScreen::handleEvent(_XEvent*) () from /usr/lib/compiz/libunitymtgrabhandles.so
#23 0x000000000044e6c9 in CompScreen::handleEvent (this=0x1c6b9f0, event=0x7fff83e65360) at /build/buildd/compiz-0.9.4git20110322/src/event.cpp:986
#24 0x00007fe78f4243c7 in PrivateScaleScreen::handleEvent (this=0x21625f0, event=0x7fff83e65360) at /build/buildd/compiz-0.9.4git20110322/plugins/scale/src/scale.cpp:1579
#25 0x000000000044e6c9 in CompScreen::handleEvent (this=0x1c6b9f0, event=0x7fff83e65360) at /build/buildd/compiz-0.9.4git20110322/src/event.cpp:986
#26 0x00007fe78f2093c0 in SessionScreen::handleEvent (this=0x21704f0, event=0x7fff83e65360) at /build/buildd/compiz-plugins-main-0.9.4git20110322/session/src/session.cpp:707
#27 0x000000000044e6c9 in CompScreen::handleEvent (this=0x1c6b9f0, event=0x7fff83e65360) at /build/buildd/compiz-0.9.4git20110322/src/event.cpp:986
#28 0x00007fe78ef72c49 in UnityScreen::handleEvent(_XEvent*) () from /usr/lib/compiz/libunityshell.so
#29 0x000000000044e6c9 in CompScreen::handleEvent (this=0x1c6b9f0, event=0x7fff83e65360) at /build/buildd/compiz-0.9.4git20110322/src/event.cpp:986
#30 0x000000000042e4bb in PrivateScreen::processEvents (this=0x1c6bab0) at /build/buildd/compiz-0.9.4git20110322/src/screen.cpp:768
#31 0x0000000000455a68 in CompEventSource::callback (this=<value optimized out>) at /build/buildd/compiz-0.9.4git20110322/src/eventsource.cpp:69
#32 0x00007fe79f8eae1f in Glib::Source::dispatch_vfunc(_GSource*, int (*)(void*), void*) () from /usr/lib/libglibmm-2.4.so.1
#33 0x00007fe79ed9abcd in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#34 0x00007fe79ed9b3a8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#35 0x00007fe79ed9b9f2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#36 0x000000000042a22a in CompScreen::eventLoop (this=0x1c6b9f0) at /build/buildd/compiz-0.9.4git20110322/src/screen.cpp:128
#37 0x0000000000423180 in main (argc=<value optimized out>, argv=0x7fff83e65718) at /build/buildd/compiz-0.9.4git20110322/src/main.cpp:285