From owner-freebsd-stable  Thu Jan  9 11:13: 5 2003
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Date: Thu, 09 Jan 2003 14:16:08 -0500
To: Janet Sullivan <ciscogeek@cox.net>, freebsd-stable@freebsd.org
From: Mike Tancsa <mike@sentex.net>
Subject: Re: ATA corruption in DMA mode
In-Reply-To: <3E1DC910.40A60105@cox.net>
References: <200301090645.RAA26757@lightning.itga.com.au>
 <3E1D2BC7.5A52F38A@cox.net>
 <5.2.0.9.0.20030109074719.016ac868@192.168.0.12>
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What is the output of atacontrol status ar0 and atacontrol list ?  You dont 
have tags enabled do you by chance ?

         ---Mike

At 12:10 PM 09/01/2003 -0700, Janet Sullivan wrote:
>Mike Tancsa wrote:
> >
> > At 01:40 AM 1/9/2003 -0700, Janet Sullivan wrote:
> > >I disabled the onboard HPT372 and installed a spare RocketRAID 100 card
> > >(HPT370) I had.  I upgraded it to BIOS 2.34.  I still have the same
> > >problem.
> >
> > Do you have it on a shared IRQ ? If so make sure its on its own IRQ.  To
> > answer your other question, most of the RAID smarts are done in the
> > OS.  This still sounds like a hardware issue.
>
>The controller was previously shared with a USB controller.  That's
>disabled, and now the Highpoint has IRQ 10 all to itself.  The problem
>still exists.  The problem only exists when the drives are addressed as
>a RAID1 array.  If they are used any other way, the problem does not
>exist.  This sounds to me like a problem with the RAID1 implementation.
>
>Later tonight I'll try putting the RocketRAID 100 back in and
>downgrading to FreeBSD 4.5 (4.5 doesn't support the new HPT chip on the
>motherboard).  That will put me back before all the big ata changes that
>occured around 4.6.


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