I've reading reports that says it happens in feisty too, and people recommends editing powernowd script putting exit 0 at the first line as a workaround.
-- [Hardy alpha 3] system freezes randomly on sempron (amd64) https://bugs.launchpad.net/bugs/182760 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs