From owner-freebsd-bugs  Sat May  5 22:43:50 2001
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Date: Sat, 5 May 2001 22:43:46 -0700
From: Kris Kennaway <kris@obsecurity.org>
To: Soren Schmidt <sos@freebsd.dk>
Cc: freebsd-bugs@FreeBSD.ORG
Subject: Re: kern/26031: 4.3-BETA crashes on 'mount /dev/acd0c /mnt/cd'
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In-Reply-To: <200103231900.f2NJ05I09687@freefall.freebsd.org>; from sos@freebsd.dk on Fri, Mar 23, 2001 at 11:00:05AM -0800
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Can this PR now be closed?

Kris

On Fri, Mar 23, 2001 at 11:00:05AM -0800, Soren Schmidt wrote:
> The following reply was made to PR kern/26031; it has been noted by GNATS.
>=20
> From: Soren Schmidt <sos@freebsd.dk>
> To: davidt@yadt.co.uk (David Taylor)
> Cc: FreeBSD-gnats-submit@FreeBSD.ORG
> Subject: Re: kern/26031: 4.3-BETA crashes on 'mount /dev/acd0c /mnt/cd'
> Date: Fri, 23 Mar 2001 19:58:50 +0100 (CET)
>=20
>  It seems David Taylor wrote:
>  > On Fri, 23 Mar 2001, Soren Schmidt wrote:=20
>  > >=20
>  > > You should disable DMA on the CDROM, then get back with the
>  > > result....
>  >=20
>  > # sysctl hw.atamodes
>  > hw.atamodes: dma,---,dma,dma,
>  >=20
>  > # sysctl -w hw.atamodes=3D"dma,---,pio,pio"
>  > hw.atamodes: dma,---,pio,pio, -> dma,---,pio,pio,
>  >=20
>  > # mount /dev/acd0c /mnt/dvd/
>  > mount: /dev/acd0c on /mnt/dvd: incorrect super block
>  >=20
>  > (which I presume is the correct behaviour)
> =20
>  Yups, you got yet another drive/controller combo that cant do=20
>  ATAPI DMA proberly...
> =20
>  -S=F8ren
>=20
> To Unsubscribe: send mail to majordomo@FreeBSD.org
> with "unsubscribe freebsd-bugs" in the body of the message


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