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Date:      Mon, 08 May 2000 10:09:36 -0500
From:      Oscar Ricardo Silva <oscars@mail.utexas.edu>
To:        freebsd-questions@freebsd.org
Subject:   4.0:  ad0: WRITE command timeout - resetting ??
Message-ID:  <4.2.2.20000508095711.00a331c0@mail.utexas.edu>

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This weekend, my 4.0 machine died and I was not able to access it 
remotely.  When I came in to work, I found the following message on the 
console:

amanda /kernel: ad0: WRITE command timeout - resetting
amanda /kernel: ata0: resetting devices .. done

and the system was completely frozen.  I didn't find anything noted in 
/var/log/messages and so reset the computer.


After rebooting the machine, I was working on it and I received the 
following message:

May  8 09:54:21 amanda /kernel: ad0: WRITE command timeout - resetting
May  8 09:54:22 amanda /kernel: ata0: resetting devices .. done

Surprisingly enough, the system continues to work and I'm still able to 
access it remotely.  The above message WAS noted in /var/log/messages this 
time.

I installed 4.0 this past weekend and successfully ran cvsupit and then 
make world.  I have the system disk on the motherboard IDE controller 1 and 
then I have an IBM 32GB IBM-DPTA-373420, drive hanging off of a Promise 
ATA/66 PCI controller.  There are two other PCI cards, a 3COM 3C905 and an 
Adaptec AHA2940U2W with an Overland Data DLT Autoloader connected to it.

I did find the following the "Current Problem Reports":

o [2000/03/24] kern/17592  sos      ata READ/WRITE command timeouts

and have found two other messages in the FreeBSD mailing list of others 
having the same problem but no solution so far.




Oscar




"Don't believe the hype"



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