Application: kde4-window-decorator (0.0.1)
KDE Platform Version: 4.4.2 (KDE 4.4.2)
Qt Version: 4.6.2
Operating System: Linux 2.6.32-20-generic i686
Distribution: Ubuntu lucid (development branch)

-- Information about the crash:
I was running kde kwin window manager. Then I have tried to switch to compiz, so I have installed compiz related packages and changed default window manager in system setting to 'compiz'. Then I got this error and I have it every time logging to kde. 

 -- Backtrace:
Application: KDE Window Decorator (kde4-window-decorator), signal: Segmentation fault
[KCrash Handler]
#6  0x574b334e in ?? ()
#7  0x001e6947 in KDecorationUnstable::compositingActive (this=0x9ecbea8) at ../../../kwin/lib/kdecoration.cpp:406
#8  0x001ec705 in KCommonDecorationUnstable::compositingActive (this=0x9ed1ec8) at ../../../kwin/lib/kcommondecoration.cpp:1283
#9  0x02f8a180 in Oxygen::OxygenClient::layoutMetric (this=0x9ed1ec8, lm=KCommonDecoration::LM_BorderLeft, respectWindowState=true, btn=0x0) at ../../../../kwin/clients/oxygen/oxygenclient.cpp:310
#10 0x001ee8a7 in KCommonDecoration::borders (this=0x9ed1ec8, left=@0x9ecfc0c, right=@0x9ecfc10, top=@0x9ecfc14, bottom=@0x9ecfc18) at ../../../kwin/lib/kcommondecoration.cpp:169
#11 0x001f0ed0 in KCommonDecorationWrapper::borders (this=0x9ecbea8, left=@0x9ecfc0c, right=@0x9ecfc10, top=@0x9ecfc14, bottom=@0x9ecfc18) at ../../../kwin/lib/kcommondecoration_p.cpp:58
#12 0x08059b40 in KWD::Window::resizeDecoration (this=0x9ecfbc0, force=true) at ../../../kde/window-decorator-kde4/window.cpp:836
#13 0x0805a3ab in KWD::Window::createDecoration (this=0x9ecfbc0) at ../../../kde/window-decorator-kde4/window.cpp:794
#14 0x0805deae in Window (this=0x9ecfbc0, parentId=29360162, clientId=429, frame=0, type=KWD::Window::Default, x=0, y=0, w=1, h=1) at ../../../kde/window-decorator-kde4/window.cpp:152
#15 0x08057146 in KWD::Decorator::enableDecorations (this=0x9dfee00, timestamp=99256409) at ../../../kde/window-decorator-kde4/decorator.cpp:212
#16 0x0805066d in main (argc=1, argv=0xbffd1ca4) at ../../../kde/window-decorator-kde4/main.cpp:113

This bug may be a duplicate of or related to bug 143419.

Possible duplicates by query: bug 234301, bug 231233.

Reported using DrKonqi