Skip site navigation (1)Skip section navigation (2)
Date:      Thu, 2 Aug 2001 11:42:20 -0400 (EDT)
From:      Andrew Gallatin <gallatin@cs.duke.edu>
To:        Sean Lewis <sean@typhoon.sharp.com>
Cc:        freebsd-hardware@freebsd.org
Subject:   Re: UDMA problems w/ 4.3-STABLE
Message-ID:  <15209.29916.355786.776966@grasshopper.cs.duke.edu>
In-Reply-To: <20010731192625.A14945@typhoon.sharp.com>
References:  <20010731192625.A14945@typhoon.sharp.com>

next in thread | previous in thread | raw e-mail | index | archive | help

Sean Lewis writes:
 > 
 > ad4s1a: UDMA ICRC error reading fsbn 282735839 of 141367888-141368143
 > (ad4s1 bn 282735839; cn 30950 tn 120 sn 29) falling back to PIO mode
 > 
 > and the drive falls into PIO mode. I've tried changing to a higher
 > quality / longer cable.. same result. I haven't found any hard evidence


Have you tried re-routing the cable to avoid noise and or interference?

I just got a new IBM drive (IC35L040AVER07-0) for my alpha on Monday &
I was getting those errors all the time when the disk was under heavy
load.  I moved the disk to a different drive bay & routed the IDE cable as far
as possible from both the CPU and the power-supply.  I haven't seen
any problem for over two days.

Hope this helps you,

Drew

To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-hardware" in the body of the message




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?15209.29916.355786.776966>