VS, the next step is to fully commit bisect from the release prior to Precise that this problem didn't happen with, to Precise in order to identify the offending commit.
Could you please do this following https://wiki.ubuntu.com/Kernel/KernelBisection ? ** Changed in: linux (Ubuntu) Status: Confirmed => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/993507 Title: ATA errors when link_power_management_policy is min_power To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/993507/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs