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Date:      Sun, 01 Feb 2004 02:01:06 +0100
From:      des@des.no (Dag-Erling =?iso-8859-1?q?Sm=F8rgrav?=)
To:        "Tom Jensen" <tom@motd.dk>
Cc:        freebsd-current@freebsd.org
Subject:   Re: ad0: TIMEOUT
Message-ID:  <xzpfzdvipf1.fsf@dwp.des.no>
In-Reply-To: <20040131141230.5DEC160CD@bart.motd.dk> (Tom Jensen's message of "Sat, 31 Jan 2004 15:09:53 %2B0100")
References:  <20040131141230.5DEC160CD@bart.motd.dk>

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"Tom Jensen" <tom@motd.dk> writes:
> I found this timeout in my dmesg log:
>
> ad0: TIMEOUT - WRITE_DMA retrying (2 retries left) LBA=3D447
> ad0: TIMEOUT - WRITE_DMA retrying (2 retries left) LBA=3D6718175
> ad0: TIMEOUT - READ_DMA retrying (2 retries left) LBA=3D3045111
> ad0: TIMEOUT - WRITE_DMA retrying (2 retries left) LBA=3D13869215
>
> Is this a bug?

Probably not.  Is ad0 by any chance an IBM DTTA or DTLA drive?  They
have a nasty habit of spinning down to recalibrate every 25 hours or
so, and you'll get timeouts while they're busy doing that.

DES
--=20
Dag-Erling Sm=F8rgrav - des@des.no



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