I am experiencing exactly the same problem on my Sony Vaio VGN-S3XP (Pentium M 760 2GHz) using the same kernel.
-- Slow boot time since update to kernel 2.6.15-25-686 https://launchpad.net/bugs/50588 -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
