Subject: Re: Drive error message
To: Ignatios Souvatzis <>
From: Stuart Brooks <>
List: tech-kern
Date: 11/18/2003 11:18:16
> Uh, you never read wd177x data books in my youth?[1]
> Regards,
> -is
> [1] Apparently, before your youth ;-)

No I haven't spent too much time reading wd177x data books, although maybe I
should have ;)
I have found this in my searching :

> The wd driver misbehaves rather spectacular in the face of
> bad blocks. There are a number of problems.
> 1) The drive returns atapi error number 1 on some reads.
> According to the ATAv4 draft I was able to find, this indicates
> "obsolete". sys/dev/ata.c's atapi_errno() pritns a nulls string
> for this error, rather than anything useful. This results in:
>    wd0e:   reading fsbn ...
> which is confusing.  I've patched my kernel to report it as "(obsolete)"

Ok, I changed it to : "obsolete (was address mark not found)", to make
it clear.

which clears things up a bit.