also, I notice a bunch of warnings from metacity which could be related..
Window manager warning: Received a _NET_WM_MOVERESIZE message for 0x4c1fcaf (<snip>); these messages lack timestamps and therefore suck. Window manager warning: Received a _NET_WM_MOVERESIZE message for 0x4c00091 (<snip>); these messages lack timestamps and therefore suck. Window manager warning: Received a _NET_WM_MOVERESIZE message for 0x4c00091 (<snip>); these messages lack timestamps and therefore suck. these seem to be related to the popup notifications that get "stuck" -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/710127 Title: Desktop notifications from Chromium can not be closed -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs