OK, final resolution: gstreamer0.10-x wasn't installed, and so there were no video sinks available, and so things were crashing. This may be a fault in the distro upgrade tool?
-- gstreamer causes a SIGSEGV in rhythmbox on play https://bugs.launchpad.net/bugs/127878 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is a bug contact for gstreamer0.10 in ubuntu. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
