Fixed in 2.6.17-6.18, there is still very short delay, but I guess it's normal.
** Changed in: linux-source-2.6.17 (Ubuntu) Status: Confirmed => Fix Released -- Kernel 2.6.15-7-686 won't boot with root on SATA disk https://launchpad.net/bugs/26940 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs