I have also got this problem on my home PC:s Dapper. The failure came when i updated my kernel to 686 version and has been on since then. I tried with the 386 kernel, and with it shutdown went OK. So the bug seems to be in the 686 kernel.
MS-6178 with intel chipset and i810 graphics, PIII/400Mhz/256MB Yours Jallu59 -- Power down after shutdown does not work... https://launchpad.net/bugs/43961 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs