On Aug 25, 2013, at 8:07 PM, Chris Murphy <lists@xxxxxxxxxxxxxxxxx> wrote: > ata10.00: failed command: READ FPDMA QUEUED > > Implies it may be an incompatibility between this drive and the controller, possibly disabling NCQ on the drive will fix the problem (set queue depth to 1) http://serverfault.com/questions/295740/ubuntu-11-04-server-crashing-failed-command-read-fpdma-queued One found replacing cables solved the problem, another a BIOS update. It could also be port specific. I'm uncertain if there's enough information to know if the data was written incorrectly, or if it's just reading incorrectly and btrfs is complaining. It might be worth putting the drive on another port with a new cable and seeing if the volume will mount ro and if so if you can access your data. Chris Murphy-- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
