Re: [PATCH as468] Retry supposedly "unrecoverable" hardware errors

Alan Stern
2005-02-17T15:20:23Z

On Thu, 17 Feb 2005, Douglas Gilbert wrote:

> ... after a bit further thought, a retry (arguably) is only
> needed when an unrecoverable (data) error is detected. If we
> assume the "info" field indicates an unrecoverable error
> then the following patch combines the processing of
> MEDIUM and HARDWARE ERROR sense keys without the need for
> a black list category.

Your assumption is not a good one. In the particular case that led me to
submit this patch, the device returns Valid = 0, with no "info" data.
Nevertheless, retrying fixes the problem, whereas your patch won't help.

Alan Stern