Thanks for your bug. The backtrace looks like http://bugzilla.gnome.org/show_bug.cgi?id=346523 upstream. Do you use a multi-monitor setup? Do you use compiz or some other composite manager or non-default feature? Could you get a backtrace with libwnck18-dbgsym installed (from "deb http://people.ubuntu.com/~pitti/ddebs edgy main universe")?
** Changed in: gnome-panel (Ubuntu) Sourcepackagename: gnome-panel => libwnck Importance: Undecided => Medium Assignee: (unassigned) => Ubuntu Desktop Bugs Status: Unconfirmed => Needs Info -- Crash when I select "Always on Visible Workspace" https://launchpad.net/bugs/72804 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs