I've found out that the open source Ati drivers are quite certainly the cause of these crashes. I changed the driver from "ati" to "vesa" to test it and now all works well.
-- Lock screen and switch user freeze in Feisty https://bugs.launchpad.net/bugs/108422 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
