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Date:      Wed, 25 Oct 2000 11:06:12 +0200 (CEST)
From:      Soren Schmidt <sos@freebsd.dk>
To:        toddpw@apricot.com (Todd P. Whitesel)
Cc:        freebsd-bugs@FreeBSD.ORG
Subject:   Re: i386/22240: unstable UDMA on Iwill VD133PL v1.6 (Apollo MVP3, IDE rev 0x10)
Message-ID:  <200010250906.LAA52929@freebsd.dk>
In-Reply-To: <200010250850.BAA36380@freefall.freebsd.org> from "Todd P. Whitesel" at "Oct 25, 2000 01:50:01 am"

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It seems Todd P. Whitesel wrote:
>  After two days of success, the PIO-only tests have exhibited similar failures
>  on both FreeBSD 4.1.1 and NetBSD 1.5_ALPHA2.
>  
>  So that would suggest that this is not a strictly UDMA issue after all,
>  but some subtle problem with the VIA 133 chipset... yuck.

Hmm, having looked at the description again I dont see you getting any
failures from the ATA driver (ie timeouts etc), so I think this is
a memory problem after all, which is consistent with SEGV's etc...
Try some other memory or if possible relax the RAM timing in the BIOS...
Do you pr chance run it with 133Mhz mem ? if so is it really PC133
mem you have ? 

-Søren


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