here is my dmesg when uptaime is low, and can be found other informations, maybe kernel wersions mismatch but the error is and was the same for many kernels.
** Attachment added: "dmesg2" http://librarian.launchpad.net/7178160/dmesg2 -- ata2 2.6.20-13-generic ata2: port is slow to respond https://bugs.launchpad.net/bugs/103277 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs