From: Andrew Morton <akpm@digeo.com>
To: "J.A. Magallon" <jamagallon@able.es>
Cc: lkml <linux-kernel@vger.kernel.org>
Subject: Re: updated CDROMREADAUDIO DMA patch
Date: Sun, 12 Jan 2003 17:16:43 -0800 [thread overview]
Message-ID: <200301121716.44099.akpm@digeo.com> (raw)
In-Reply-To: <20030112231606.GA1762@werewolf.able.es>
On Sun January 12 2003 15:16, J.A. Magallon wrote:
>
> On 2003.01.05 Andrew Morton wrote:
> > A refresh and retest of this patch, against 2.4.21-pre2. It would
> > be helpful if a few (or a lot of) people could test this, and report
> > on the result. Otherwise it'll never get anywhere...
> >
> > Reading audio from IDE CDROMs always uses PIO. This patch teaches the kernel
> > to use DMA for the CDROMREADAUDIO ioctl.
> >
>
> cdparanoia oopses on top of latest -aa:
>
> Checking /dev/cdrom for cdrom...
> Testing /dev/cdrom for cooked ioctl() interface
> CDROM sensed: ATAPI compatible CREATIVE CD5230E
> Verifying drive can read CDDA...
> Unable to handle kernel NULL pointer dereference at virtual address 00000014
Yup, we seem to have a bit of a problem there. It works fine on the five
machines which I tried it on.
Oh well, thanks for testing. It's unlikely that I will do any further work
on this.
next prev parent reply other threads:[~2003-01-13 1:07 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-01-04 23:38 updated CDROMREADAUDIO DMA patch Andrew Morton
2003-01-12 23:16 ` J.A. Magallon
2003-01-13 1:16 ` Andrew Morton [this message]
-- strict thread matches above, loose matches on Subject: below --
2003-01-05 13:15 Tony Spinillo
2003-01-05 23:07 Nuno Monteiro
2003-01-05 23:54 ` J.A. Magallon
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