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Date:      Wed, 11 Feb 1998 02:03:05 -0800 (PST)
From:      Donald Burr <dburr@POBoxes.com>
To:        FreeBSD Questions <freebsd-questions@FreeBSD.ORG>, FreeBSD Hardware <freebsd-hardware@FreeBSD.ORG>
Subject:   FreeBSD and Maxtor DiamondMax UltraDMA33 (Mode 2) drive?
Message-ID:  <XFMail.980211020713.dburr@POBoxes.com>

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Is there any problems with using FreeBSD with UltraDMA 33 (UDMA mode 2)
EIDE disks?  Or should they work fine?

Specifically, are there any caveats about running FreeBSD on a Maxtor
DiamondMax 3.2 GB EIDE drive that's UltraDMA33 (Mode 2)?  Or should it
work OK?

wdc0 at 0x1f0-0x1f7 irq 14 flags 0x80ff on isa
wdc0: unit 0 (wd0): <Maxtor 83240D3>, 32-bit, multi-block-16
wd0: 3090MB (6328665 sectors), 6697 cyls, 15 heads, 63 S/T, 512 B/S

(My motherboard is supports UDMA; I see it print that out in the BIOS
messages)

The reason why I ask is that I've started getting some strange errors
popping up.  They always occur when the system is moderately to heavily
loaded (i.e. some swapping is going on).

wd0a: soft error reading fsbn 17955 of 17952-17967 (wd0 bn 17955; cn 1 tn
30 sn 0)wd0: status 58<rdy,seekdone,drq> error 10<no_id>
wd0a: soft error reading fsbn 12130 of 12128-12143 (wd0 bn 12130; cn 0 tn
192 sn 34)wd0: status 58<rdy,seekdone,drq> error 10<no_id>
wd0: interrupt timeout:
wd0: status 50<rdy,seekdone> error 10<no_id>
wd0: interrupt timeout:
wd0: status 50<rdy,seekdone> error 0
wd0s1b: soft error reading fsbn 17133 of 17120-17135 (wd0s1 bn 221933; cn
13 tn
207 sn 47)wd0: status 58<rdy,seekdone,drq> error 10<no_id>
wd0: interrupt timeout:
wd0: status 50<rdy,seekdone> error 10<no_id>
wd0s1b: soft error reading fsbn 35442 of 35440-35447 (wd0s1 bn 240242; cn
14 tn
243 sn 23)wd0: status 58<rdy,seekdone,drq> error 10<no_id>
wd0a: soft error reading fsbn 72147 of 72144-72159 (wd0 bn 72147; cn 4 tn
125 sn
 12)wd0: status 58<rdy,seekdone,drq> error 10<no_id>
wd0s1b: soft error reading fsbn 20811 of 20808-20823 (wd0s1 bn 225611; cn
14 tn
11 sn 8)wd0: status 58<rdy,seekdone,drq> error 10<no_id>

I have 32-bit transfers and multi-sector transfers turned on in my kernel
config file, btw (if that matters).

Any ideas?  Please cc: me by email if possible.  Thanks!

- ---
Donald Burr <dburr@POBoxes.com> - Ask me for my PGP key | PGP: Your
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