I have the same problem on an IDE DVD writer, it occurs when inserting some writable medium (doesnt occur with CD-ROM or DVD-ROM). After that, it is impossible to eject disk with "eject" command nor with device button. It could be related as the syslog is the same.
-- ata timeout exception with ahci libata driver (was with 2.6.28-11, but i confirmed it affewcts previous kernels too) https://bugs.launchpad.net/bugs/352197 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