Confirmed. P4 3.6Ghz on Intel D955XBK. No 2.6.17 kernel has booted properly, instantly panics. 2.6.15 will boot fine.
-- 2.6.17-X-amd64-generic [2,3,4] panics on p4-em64t https://launchpad.net/bugs/52270 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs