In response to comment #8: it looks like the same bug to me. I hereby attach my dmesg.
** Attachment added: "dmesg_ch.txt" http://launchpadlibrarian.net/48222609/dmesg_ch.txt -- udisks-probe-ata-smart causes HSM violations https://bugs.launchpad.net/bugs/574462 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