ATA errors

[Stijn Hoop]

On Thu, Jul 22, 2004 at 10:32:20AM +0100, George Barnett wrote:
> Hi All,
> 
> I'm having a few issues and I could use another brain on this.  I have a 
> machine which is throwing up ata errors like this:
> 
> Jul 22 00:16:16 <kern.crit> mail /kernel: ad2s1e: soft error (ECC 
> corrected) reading fsbn 77465920 of 38732960-38733087 (ad2s1 bn 
> 77465920; cn 461106 tn 18 sn 4)ad2s1e: hard error reading fsbn 77465920 
> of 38732960-38733087 (ad2s1 bn 77465920; cn 461106 tn 18 sn 4)ad2: 
> timeout waiting for cmd=ef s=00 e=7f
> Jul 22 00:16:16 <kern.crit> mail /kernel: trying PIO mode
> Jul 22 00:16:18 <kern.crit> mail /kernel: ad2s1e: soft error (ECC 
> corrected) reading fsbn 77465920 of 38732960-38733087 (ad2s1 bn 
> 77465920; cn 461106 tn 18 sn 4)ad2s1e: hard error reading fsbn 77465920 
> of 38732960-38733087 (ad2s1 bn 77465920; cn 461106 tn 18 sn 4) status=7f 
> error=7f
> Jul 22 00:16:18 <kern.crit> mail /kernel: ad2: timeout waiting for DRQ - 
> resetting
> Jul 22 00:16:18 <kern.crit> mail /kernel: ata1: resetting devices ..
> Jul 22 00:16:18 <kern.crit> mail /kernel: ad2: removed from configuration
> Jul 22 00:16:18 <kern.crit> mail /kernel: done
> 
> It was doing this a few weeks ago, so I swapped the disk out and it was 
> happy for a bit.  Now it's coming back and doing it on the new disk 
> (which is in the same place as the old one (sec-master)).

Did you check the failed disk using Maxtor's utility, and did it report any
errors? I have about the same situation -- 4.10-STABLE reporting a read error
every few days, each time on a different disk, but every time it turned out
that the disk really was good according to Maxtor's tests :(

> I figure this means the controller has gone bork?

That's also a possibility, but I've seen it happen on 3 different controllers
already, which imho is too much coincidence for it to really be a controller
failure. I'm still in the dark as to what it really is though. It could very
well still be a hardware error in my case (heat and memory not yet ruled out).

--Stijn

-- 
"Linux has many different distributions, meaning that you can probably find
one that is exactly what you want (I even found one that looked like a Unix
system)."
		-- Mike Meyer, from a posting at questions at freebsd.org
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