It seems a cleaned heatsink and CPU and a fresh dose of Arctic Silver 5 has resolved this issue. I've done a clean reinstall of Xubuntu 8.10 and my Thinkpad X31 hasn't shutdown without being told to.
-- Incorrect Temperature Reporting Causes Hard Shutdown https://bugs.launchpad.net/bugs/296056 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