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Date:      01 Nov 2002 14:15:28 +1030
From:      "Daniel O'Connor" <doconnor@gsoft.com.au>
To:        Forrest Aldrich <forrie@forrie.com>
Cc:        freebsd-stable@FreeBSD.ORG
Subject:   Re: Unrecognized CPU Class (and a disc error)
Message-ID:  <1036122329.1736.145.camel@chowder.localdomain>
In-Reply-To: <5.1.1.6.2.20021031223636.01fdb7c0@192.168.1.1>
References:  <5.1.1.6.2.20021031223636.01fdb7c0@192.168.1.1>

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On Fri, 2002-11-01 at 14:06, Forrest Aldrich wrote:
> ad0s1a: UDMA ICRC error reading fsbn 9411519 of 3657152-3657279 (ad0s1 bn 9411519; cn 585 tn 214 sn 12) retrying
> ad0s1a: UDMA ICRC error reading fsbn 9411519 of 3657152-3657279 (ad0s1 bn 9411519; cn 585 tn 214 sn 12) retrying
> ad0s1a: UDMA ICRC error reading fsbn 9411519 of 3657152-3657279 (ad0s1 bn 9411519; cn 585 tn 214 sn 12) retrying
> ad0s1a: UDMA ICRC error reading fsbn 9411519 of 3657152-3657279 (ad0s1 bn 9411519; cn 585 tn 214 sn 12) falling back to PIO mode
> ad2s1e: UDMA ICRC error reading fsbn 2097247 of 16-31 (ad2s1 bn 2097247; cn 130 tn 139 sn 40) retrying
> ad2s1e: UDMA ICRC error reading fsbn 2097247 of 16-31 (ad2s1 bn 2097247; cn 130 tn 139 sn 40) retrying
> ad2s1e: UDMA ICRC error reading fsbn 2097247 of 16-31 (ad2s1 bn 2097247; cn 130 tn 139 sn 40) retrying
> ad2s1e: UDMA ICRC error reading fsbn 2097247 of 16-31 (ad2s1 bn 2097247; cn 130 tn 139 sn 40) falling back to PIO mode
> 
> These are IDE drives.   I don't recall seeing this error before... sounds 
> like I might have something misconfigured in the kernel... ?

There are two possibilities..

One is your cable is being falsely detected as 80 conductors, and then
the accesses are attempted at that speed and fail, OR the disk(s) are
faulty.

ad2s1e looks like the first problem, ad0s1a looks like the second
problem.

-- 
Daniel O'Connor software and network engineer
for Genesis Software - http://www.gsoft.com.au
"The nice thing about standards is that there
are so many of them to choose from."
  -- Andrew Tanenbaum
GPG Fingerprint - 9A8C 569F 685A D928 5140  AE4B 319B 41F4 5D17 FDD5


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