Subject: Re: esp "adapter resource shortage"
To: Erik E. Fair <fair@NetBSD.org>
From: Manuel Bouyer <bouyer@antioche.eu.org>
List: port-sparc
Date: 04/30/2007 20:28:36
On Sat, Apr 28, 2007 at 03:30:54PM -0700, Erik E. Fair wrote:
> I started getting those messages from the isp(4) driver on one of my 
> Alphas when I set up an FFS with 64k blocks. I checked the code, and 
> it is recoverable, but it's annoying. The question that is hard to 
> answer is: how much does this "resource shortage" limit performance 
> or increase response latency?

It's just that it can't send as many tagged queuing commands to the drive as
it'd like to. It probably has some impact on performance, but probably
hardly measurable in real life.

-- 
Manuel Bouyer <bouyer@antioche.eu.org>
     NetBSD: 26 ans d'experience feront toujours la difference
--