I can also reproduce this without fail on my Toshiba Satellite Pro M70-235 (Pentium M 750 1.86GHz). The same kernel on my desktop machine (Pentium 4 2.8GHz) has no problems.
-- Slow boot time since update to kernel 2.6.15-25-686 https://launchpad.net/bugs/50588 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs