Subject: Re: ahc and Semantics of the "COMPLETE" return code
To: None <email@example.com, firstname.lastname@example.org>
From: Matthew Jacob <email@example.com>
Date: 06/23/1997 21:37:37
>From tech-kern-owner-mjacob=feral.com@NetBSD.ORG Mon Jun 23 11:18:37 1997
>>Now, about this specific ahc error (and this is why I've put Justin in Cc:)
>>This error is quite reproductible, bus this sounds like a resources shortage
>>rather than a real error.
>No, it is a real error. With 256 S/G segments, you can represent, worst
>case, a 1MB I/O. Since the kernel can only generate up to 64k I/Os, this
>is a "can't happen" condition (we should only use 17 S/G segments max).
Unless, like NASA, you modify things to increase MAXPHYS to 1MB or better.