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Date:      Sat, 10 Feb 2001 16:51:33 -0600
From:      "Josh Paetzel" <jpaetzel@hutchtel.net>
To:        "Ryan Masse" <mail@max-info.net>, "FreeBSD-Questions" <freebsd-questions@FreeBSD.ORG>
Subject:   Re: unusual reboots
Message-ID:  <000001c09443$6da62aa0$6100000a@vladsempire.net>
References:  <007601c093a9$dad32280$0a00a8c0@Home>

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----- Original Message -----
From: "Ryan Masse" <mail@max-info.net>
To: "FreeBSD-Questions" <freebsd-questions@FreeBSD.ORG>
Sent: Saturday, February 10, 2001 3:34 PM
Subject: unusual reboots


> Lately our webserver running FreeBSD 4.1.1 Stable has been rebooting
> unexpectedly. I've been getting the following in my
/var/log/messages on
> boot:
>
> > ad0: UDMA ICRC READ ERROR blk# 239 retrying
> > ad0: UDMA ICRC READ ERROR blk# 239 falling back to PIO mode
>

Is it always blk# 239 that it chokes on, or is it different blocks?
If it is always the same block then it's probably a bad sector.  In
this case I doubt that it is, since you have the same problem on a new
drive.

You either have a bad hard drive, cable, or controller.
If swapping the cable doesn't fix the problem, then I would throw
a different controller in.

Josh

> Originally we thought the hd was failing but after replacing it with
a new
> drive, doing a backup from the old to the new, those errors would
show up
> both when trying to backup to the new disk as well as when booting
with the
> new drive mounted. Either its a coincidence that both drives are bad
or
> there is something wrong with the IDE controller on the main board.
My
> questions is would this cause a system to reboot? often the system
will
> crash when taring up folders with high i/o from the hd, especially
when
> taring up the /usr folder for backups. Is the system crashing
because it
> tries to read a bad block?
>
> Any response would be appreciated for this is machine is in
production and
> downtime is getting costly =\
>
> Thanks,
>
> Ryan Masse
> IT / Authoring Tech
> Mastery Group of Canada, Inc.
> Rmasse@mastery.ca
> http://www.masterycanada.com
>
>
>
>
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