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Date:      Thu, 5 Feb 2004 16:16:14 -0500
From:      Damian Gerow <dgerow@afflictions.org>
To:        freebsd-current@freebsd.org
Subject:   Re: -CURRENT barfing on UDMA on Via 8233
Message-ID:  <20040205211614.GE11717@afflictions.org>
In-Reply-To: <87ekt9b5ki.fsf@strauser.com>
References:  <20040126035539.GP1456@sentex.net> <20040127162251.GA90882@afflictions.org> <87oesdcqcd.fsf@strauser.com> <20040205192132.GA11676@afflictions.org> <87brodco8c.fsf@strauser.com> <20040205203316.GB11717@afflictions.org> <87ekt9b5ki.fsf@strauser.com>

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Thus spake Kirk Strauser (kirk@strauser.com) [05/02/04 16:05]:
: > I'm just finishing up a level 0 dump of all filesystems, and I'm running
: > pretty stable.  This isn't surprising, and it's in line with what you saw
: > -- running under PIO4 is stable, UDMA100 is not.
: >
: > Would it be worth it to try to force the system into UDMA66 or UDMA33?
: 
: Well, it's certainly easy enough to experiment.  Use atacontrol's "mode"
: command to set whatever mode you'd like.  Try UDMA33 and hit the drive(s) as
: hard as you can.  If you don't get errors, bump it up to UDMA66 and try
: again.

Yeah, I started doing that shortly after I sent the mail.  I started at
UDMA100, as that's where I know my problem is.

A dump is zipping along just fine right now.  I have a real job to attend
to right now, so I'll pay a bit more attention to it later this evening.



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