From: Michael Stone <mstone@mathom.us>
To: Jaco van der Schyff <jvds@netgroup.co.za>
Cc: linux-scsi@vger.kernel.org
Subject: Re: aic79xx dumping card state
Date: Fri, 10 Nov 2006 10:39:31 -0500 [thread overview]
Message-ID: <20061110153929.GG2667@mathom.us> (raw)
In-Reply-To: <20061110150126.GA8222@npjaco>
On Fri, Nov 10, 2006 at 05:01:26PM +0200, Jaco van der Schyff wrote:
>I had very similar problems on the aic79xx cards. What you could first
>check if QAS is enabled/disabled on both devices,
How do you tell that? Is it something readable from the kernel, or do I
have to poke around on the devices?
>and step the card down
>to 160MB/s. I haven't successfully ran any aic79xx Ultra320 card at
>Ultra320...
>
>Clock it down and it should be fine...
Yikes, that's not a solution. :) I found the aic79xx=slowcrc option and
enabled that, and I've been running pretty solid at 320 (~300MBps
transfer rates). I'll pound on it over the weekend and see if it stays
solid.
Mike Stone
next prev parent reply other threads:[~2006-11-10 15:39 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-11-10 0:45 aic79xx dumping card state Michael Stone
2006-11-10 15:01 ` Jaco van der Schyff
2006-11-10 15:39 ` Michael Stone [this message]
2006-11-10 17:09 ` Jaco van der Schyff
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