Ah, never mind; this problem disappeared after purging mozilla-plugin- gnash. gnash isn't in Ubuntu yet, so rejecting.
** Changed in: firefox (Ubuntu) Status: Unconfirmed => Rejected -- BadMatch X error in nsPluginInstance::setGL (?) https://launchpad.net/bugs/60585 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs