Public bug report changed:
https://launchpad.net/malone/bugs/15220
Comment:
This bug seems to have reappeared with 2.6.15-16 (here on a Tyan S2882):
Breezy, 2.6.12-10-686-smp, powers off
Dapper 2.6.15-15-{386|686|k7} powers off
Dapper 2.6.15-16-{386|686|k7} reboots