I also get a very similiar(related?) segfault when hovering over the sound icon in unity 2d:
[ 50.587553] unity-panel-ser[1679]: segfault at 10 ip 00139ee6 sp bff77750 error 4 in libgdk-3.so.0.200.0[110000+76000]
Though I'm not running multiple monitors. Instead I've disabled compositing in xorg.conf with
Option "Composite" "Disable"
And also I have added a few workspaces to metacity settings with gconf-editor.
I also get a very similiar(related?) segfault when hovering over the sound icon in unity 2d: ser[1679] : segfault at 10 ip 00139ee6 sp bff77750 error 4 in libgdk- 3.so.0. 200.0[110000+ 76000]
[ 50.587553] unity-panel-
Though I'm not running multiple monitors. Instead I've disabled compositing in xorg.conf with
Option "Composite" "Disable"
And also I have added a few workspaces to metacity settings with gconf-editor.