SiS 651 success wth FreeBSD 4.9 and PR-43345

[Simon L. Nielsen]

On 2004.01.07 19:24:22 -0500, david at groovelicious.org wrote:
> I recently bought a Shuttle SS51G XPC to re-house my server. I was able to
> boot FreeBSD 4.9-RELEASE by turning off UDMA support in the BIOS. I then
> applied PR-43345 and re-enabled UDMA support and it worked.
> Upon adding a second drive (slave) to the primary IDE interface, I saw
> these messages (from dmesg):
> 
> ad0: 76345MB <MAXTOR 6L080J4> [155114/16/63] at ata0-master UDMA100
> ad1: 152627MB <WDC WD1600JB-00FUA0> [310101/16/63] at ata0-slave UDMA100
> Mounting root from ufs:/dev/ad0s1a
> ad0s1h: UDMA ICRC error writing fsbn 105786783 of 5696-5703 (ad0s1 bn
> 105786783; cn 6584 tn 235 sn 18) retrying

These are very often caused by a bad IDE cable, so I would try to
replace the cable.

> ad0s1h: UDMA ICRC error writing fsbn 105786783 of 5696-5703 (ad0s1 bn
> 105786783; cn 6584 tn 235 sn 18) falling back to PIO mode
> 
> The system seems to work fine, although I'm contemplating putting the

At one point I have had a system running for about half a year which got
these errors, but the system worked flawlesly...

> second drive on the secondary IDE interface to see if this makes a
> difference. I didn't notice this behaviour with a single IDE drive.

Of course it shouldn't be needed, but I would also try to switch to the
other channel, and if it works it's probably not wort wasting to much
more time on.

-- 
Simon L. Nielsen
FreeBSD Documentation Team
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