I also have a Fujitsu Lifebook P2120 and had the same problem with Dapper 6.06
I dropped the depth from 24 to 16 and have not had a problem since ... nock on wood. -- Host locks up tighter than a drum from within X on Dapper Drake! https://launchpad.net/bugs/35408 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
