ad0: TIMEOUT - READ_DMA retrying (2 retries left) LBA=207594611

Kevin Oberman oberman at
Thu Sep 16 13:13:43 PDT 2004

> From: "Daniel Eriksson" <daniel_k_eriksson at>
> Date: Thu, 16 Sep 2004 21:17:45 +0200
> Sender: owner-freebsd-current at
> This is a me-too report:
> After upgrading a 6-CURRENT kernel and world from 2004. to
> 2004., I am now getting these messages on a machine that
> previously worked just fine:

Thanks! This should greatly simplify my search for the change that is
causing the problem. I can start with 9/9/04 and work forward. I saw
the problem on 9/11/04 in RELENG_5, so I now have a window. I could shrink
it to less than nothing if I was REALLY confident that nothing was MT5 in
less than 3 days, so something the was moved to RELENG_5 after a very
short time is suspect.

I am currently building a 9/9/04 RELENG_5 kernel and I'll test it later
today (if nobody beats me to it.)
R. Kevin Oberman, Network Engineer
Energy Sciences Network (ESnet)
Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab)
E-mail: oberman at			Phone: +1 510 486-8634

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