linux-kernel - Re: PROBLEM REMAINS: [sata_nv ADMA breaks ATAPI] Crash on accessing DVD-RAM

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Message-id: <47A2633B.8080807@shaw.ca>
Date:	Thu, 31 Jan 2008 18:09:31 -0600
From:	Robert Hancock <hancockr@...w.ca>
To:	Alexander <aledin@...l.ru>
Cc:	linux-kernel@...r.kernel.org, ide <linux-ide@...r.kernel.org>
Subject: Re: PROBLEM REMAINS: [sata_nv ADMA breaks ATAPI] Crash on accessing
 DVD-RAM

Alexander wrote:
> Hello!
> 
> The problem described at https://bugzilla.redhat.com/show_bug.cgi?id=351451 and
> at http://ubuntuforums.org/showthread.php?t=655772 and supposedly fixed by the
> patch http://kerneltrap.org/mailarchive/linux-kernel/2007/11/25/445094 is still
> there. I have compiled 2.6.24-rc7 kernel and booted my PC with it just to find
> out that my SATA DVD-RW is
> 
> sr0: scsi3-mmc drive: 0x/0x caddy
> 
> as it was before with 2.6.23.12 and earlier 2.6 kernels compiled for x86_64.
> Trying to use sr0 after this results in dead hang or reboot.
> When I put sata_nv.adma=0 or mem=4096M then it's all ok:

Can you (or others experiencing this problem) test the latest patch 
attached to the RH Bugzilla entry here:

https://bugzilla.redhat.com/show_bug.cgi?id=351451

and see if it resolves the problem? I have one report of success so far.
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