After adding the PPA from https://launchpad.net/~ubuntu-x-swat/+archive/x-updates and upgrading at least OsmosDemo launches without any lockups, so this seems to have fixed the problem for me.
After adding the PPA from https:/ /launchpad. net/~ubuntu- x-swat/ +archive/ x-updates and upgrading at least OsmosDemo launches without any lockups, so this seems to have fixed the problem for me.