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Date: Wed, 28 Jul 2004 14:30:12 -0500
From: Vulpes Velox <v.velox@vvelox.net>
To: samy lancher <washville2003@yahoo.com>
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Subject: Re: ata1: resetting devices ...
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On Wed, 28 Jul 2004 09:48:02 -0700 (PDT)
samy lancher <washville2003@yahoo.com> wrote:

> Hello All,
>  
> This morning I have seen the following log message on my FreeBSD 4.7
> server.
>  
> ad2: READ command timeout tag=0 serv=0 - resetting
> ata1: resetting devices .. ad2: DMA limited to UDMA33, non-ATA66
> cable or device
>  
> done.
>  
> I would really appreciate if someone could tell me the cause for
> this message and is there something to worry about the server?.

Bad drive or cable most likely. I've seen it three times. Fist it was
bad cable. The other two it was bad drives.

Try a new cable first and if that does not fix it, it is the drive
most likely.