From owner-freebsd-questions  Thu Jul  5  9:38:33 2001
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Date: Thu, 5 Jul 2001 09:40:16 -0700 (PDT)
From: Philip Hallstrom <philip@adhesivemedia.com>
To: David Greenman <dg@root.com>
Cc: <freebsd-questions@freebsd.org>
Subject: Re: urgent: Getting a lot of "parity error" messages in
 /var/log/messages!?!?!?!
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Thanks!

I double checked everything... and there is a very good chance I bumped
cables when installing the ram...

Is there any chance it's the new ram that's causing these errors?  Or
would I be seeing all kinds of other oddities as well?

Thanks again.

-philip


On Tue, 3 Jul 2001, David Greenman wrote:

> >Hi -
> >	For the last week I've been getting quite a few of the below
> >errors... the first one repeats a lot, then after awhile the last three
> >happen.  Twice now this has completely frozen the machine. The only change
> >I've made is to add RAM, but this seems related to my SCSI disk...
> >
> >The machine is running 4.2-STABLE and has been fine for over a year...
> >
> >Can anyone shed some light one this?
> >
> >/kernel: (da0:ahc0:0:0:0): parity error detected in Data-in phase. SEQADDR(0x1ac) SCSIRATE(0x93)
> >/kernel: (da0:ahc0:0:0:0): READ(10). CDB: 28 0 0 a8 b8 3f 0 0 2 0
> >/kernel: (da0:ahc0:0:0:0): ABORTED COMMAND asc:48,0
> >/kernel: (da0:ahc0:0:0:0): Initiator detected error message received
>
>    Your SCSI bus is very unhappy. I would check to make sure that all of the
> connectors are plugged in securely and that the bus is properly terminated.
> You may also have a defective SCSI cable.
>
> -DG
>
> David Greenman
> Co-founder, The FreeBSD Project - http://www.freebsd.org
> President, TeraSolutions, Inc. - http://www.terasolutions.com
> Pave the road of life with opportunities.
>


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