I can confirm my above comment - I went back to kernel 2.6.34-060634-generic, and all is well. I had also tried the 2.6.36 kernel and continued to have lockups (only) while on battery power.
-- System freezes when running on battery https://bugs.launchpad.net/bugs/662998 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs