Solved. The problem is with kernels 2.6.28 and 2.6.29. In kernel 2.6.30 or 2.6.31 boot without problems.
-- 9.04 upgrade fails to boot on ASROCK P4VM890 Motherboard https://bugs.launchpad.net/bugs/367699 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs