I have this problem as well, after a while the messages: "Buffer I/O error on device sda3, logical block ..." start to scroll down the screen, and then it continues booting normally.
-- DMRAID stopped to work in kernels > 2.6.15 https://launchpad.net/bugs/54246 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
