I've traced the trigger of the errors down to /usr/lib/pm-utils/power.d /powersave-policy-sata-link-power. This triggers the errors for me every time on my laptop:
echo "max_performance" | sudo tee /sys/class/scsi_host/host1/link_power_management_policy -- Frequent ATA errors and disk corruption https://bugs.launchpad.net/bugs/539467 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
