From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Tolpin <dvd@davidashen.net>
Message-Id: <200403031134.i23BYcZq099220@adat.davidashen.net>
To: 9fans@cse.psu.edu
Subject: Re: [9fans] i/o error: wrenwrite
In-Reply-To: <86d7c718c6dadec0e726d6af0614d49c@proxima.alt.za>
Content-Type: text/plain; charset=KOI8-R
Date: Wed,  3 Mar 2004 15:34:38 +0400
Topicbox-Message-UUID: 0fec0e0c-eacd-11e9-9e20-41e7f4b1d025

> Jim McKie (sp?) <jmk@plan9.bell-labs.com>.  But it may be something
> simple or something, once investigated, that others with knowledge of
> the hardware understand better.
>
> Would it be SCSI drives you're dealing with?

No. It is IDE.

cpu% cat /dev/sdC0/ctl
inquiry IBM-DTLA-307015                         
config 045A capabilities 2F00 dma 00550020 dmactl 00550020 rwm 16 rwmctl 16
geometry 29336832 512 16383 16 63

cpu% cat /dev/kmesg
cpu0: 798MHz GenuineIntel PentiumIII/Xeon (cpuid: AX 0x0683 DX 0x383FBFF)
ELCR: 0C20
#l0: i82557: 10Mbps port 0x1400 irq 5: 0002A5561D54

Turning dma or rwm on or off before powercycling does not change the
picture.

David