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Date:      Fri, 14 Mar 2008 01:54:41 -0500
From:      Tim Daneliuk <tundra@tundraware.com>
To:        FreeBSD Mailing List <freebsd-questions@freebsd.org>
Subject:   6.3 And VIA 8237S Controller
Message-ID:  <47DA2131.9030006@tundraware.com>

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I just bought a new MSI P4M900M2 mobo.  It works just fine with both
Windoze and SUSE Linux.  When I tried booting 6.2 on it, it refused to
set the drive (ad0 - I tried several different drives) into the
higher speed UDMA modes.  So, I downloaded 6.3, and it *seemed* to
be fine.  The drives come up as UDMA 100 or UDMA 133.

But ... under long disk operations - say untaring a 2G tarball
stored on a USB drive - I start to see this:

ad0: WARNING WRITE_DMA UDMA ICRC ERROR

And eventually:

ad0: FAILURE WRITE_DMA Status=51 .... Error=84

g_vfs_done():ad0s1f ...


What's going on here? Is there a known driver problem with the VIA
chipsets?  I took the two drives I tried this with, and stuck them
in another machine - no problem, so I kind of doubt this is a drive
problem.  I have replaced the IDE cables as well.  Again, this same
mobo and drive combo worked flawlessly doing the same thing under SUSE
Linux, so I'm thinking this is a software problem.

Any help much appreciated...
-- 
----------------------------------------------------------------------------
Tim Daneliuk     tundra@tundraware.com
PGP Key:         http://www.tundraware.com/PGP/




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