awn-applet-activation crashed with SIGSEGV in cairo_set_operator()

[Jessie Lawrence]

Binary package hint: avant-window-navigator

this is using intrepid

ProblemType: Crash
Architecture: i386
DistroRelease: Ubuntu 8.10
ExecutablePath: /usr/bin/awn-applet-activation
NonfreeKernelModules: nvidia
Package: avant-window-navigator 0.2.6-7ubuntu1
ProcAttrCurrent: unconfined
ProcCmdline: Shiny\ Switcher vation -p /usr/share/awn/applets/shinyswitcher.desktop -u 1224825206 -w 25169778 -o 0 -h 48
ProcEnviron:
 PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games
 LANG=en_US.UTF-8
 SHELL=/bin/bash
Signal: 11
SourcePackage: avant-window-navigator
StacktraceTop:
 cairo_set_operator () from /usr/lib/libcairo.so.2
 render_windows_to_wallpaper ()
 _window_stacking_change ()
 g_cclosure_marshal_VOID__VOID ()
 g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
Title: awn-applet-activation crashed with SIGSEGV in cairo_set_operator()
Uname: Linux 2.6.27-7-generic i686
UserGroups: adm admin audio cdrom dialout dip floppy fuse lpadmin plugdev video

[Apport retracing service (apport)]

StacktraceTop:*INT_cairo_set_operator (cr=0x0, op=CAIRO_OPERATOR_CLEAR)
render_windows_to_wallpaper (shinyswitcher=0x82d4118,
_window_stacking_change (screen=0x82ad9a0,
IA__g_cclosure_marshal_VOID__VOID (closure=0x82f7670,
IA__g_closure_invoke (closure=0x82f7670, return_value=0x0,