Tejun Heo wrote:
As _GTF commands can't transfer data, device error never signals transfer error. It indicates that the device vetoed the operation, so it's meaningless to retry.
.. The SECURITY commands may pass a data block to the drive, containing the password required to unlock/freeze a drive. I suspect ACPI on many machines will issue such a command, and it does indeed transfer data (512 bytes). ???? - To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
