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Date:      Fri, 31 Mar 2000 02:10:43 +0400
From:      Grigoriy Strokin <grg@philol.msu.ru>
To:        freebsd-stable@freebsd.org
Subject:   Re: Audio record problems in 4.0-STABLE: 1. Creative ViBRA16X
Message-ID:  <20000331021043.A3912@isabase.philol.msu.ru>
In-Reply-To: <20000331020541.A3613@isabase.philol.msu.ru>; from grg@philol.msu.ru on Fri, Mar 31, 2000 at 02:05:42AM %2B0400
References:  <20000326200211.A6863@isabase.philol.msu.ru> <20000331020541.A3613@isabase.philol.msu.ru>

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On Fri, Mar 31, 2000 at 02:05:42AM +0400, Grigoriy Strokin wrote:
> Hello,
> 
> While the bug wiping out filesystems on machines with Apollo MVP3 when ATA
> driver is in UDMA mode is being fixed, I suppose there at least should be some
> note added to /usr/src/UPDATING, so that another users do not loss
> all their data and have to reinitialize /usr and restore it from backup, as I
> had to do?
> 
> Something like that:
> 
>     If you use the Apollo MVP3 chipset, it is STRONGLY
>     recommended that you disable the use of DMA mode in ATA drivers
>     BEFORE you try to boot the system after `make installworld'.
                                               ^^^^^^^^^^^^^^^^
should be `make installkernel'

>     Add the following line:
>       /sbin/sysctl -w hw.atamodes=pio,pio,pio,pio
>     to the very beginning of your /etc/rc,
>     ~root/.profile and ~root/.login.
>     Be warned that if you don't disable the DMA mode,
>     all your filesystems may be corrupted because
>     of a bug in the driver that is still being fixed.
> 
-- 
=== Grigoriy Strokin, Lomonosov University (MGU), Moscow ===
=== contact info: http://isabase.philol.msu.ru/~grg/     ===


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