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Date:      Wed, 19 Jun 2002 14:11:35 -0400 (EDT)
From:      "Brian Szymanski" <bks10@cornell.edu>
To:        <freebsd-questions@freebsd.org>
Subject:   ata0: resetting devices .. device disappeared
Message-ID:  <1193.192.168.1.5.1024510295.squirrel@wuhjuhbuh.2y.net>

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Hi,

I'm having a problem with an i386 box. It was running stably for a few
months, and all of a sudden now it dies every 15 minutes - few hours
(depending on how much it is being used - it seems to go down quicker the
more its being used). It was originally running 4.5-STABLE, then upgraded
to 4.6-RELEASE, and is now back to 4.5-RELEASE. In all cases, I get an
error message like the following (taken while it is running 4.5-RELEASE):
ad0: WRITE command timeout tag=0 serv=0 - resetting
ata0: resetting devices .. device disappeared! 1 done
ata0-master: timeout waiting to give command=ca s=80 e=00
ad0: error executing command - resetting
ata0-master: timeout waiting to give command=ca s=80 e=00
ad0: error executing command - resetting
ata0-master: timeout waiting to give command=ca s=80 e=00
ad0: error executing command - resetting
(freeze)

What exactly does this mean? Impending hard drive death? Disk controller
gone on the fritz?
Thanks for your time,
Brian Szymanski
bks10@cornell.edu




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