linux-kernel - Re: [BUG] 2.6.25-rc2-git3 broke cdrecord

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Date:	Mon, 03 Mar 2008 17:26:41 +0900
From:	FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
To:	stefanr@...6.in-berlin.de
Cc:	mikpe@...uu.se, crmafra2@...il.com, linux-kernel@...r.kernel.org,
	James.Bottomley@...senPartnership.com, htejun@...il.com,
	jens.axboe@...cle.com, linux-ide@...r.kernel.org,
	linux-scsi@...r.kernel.org
Subject: Re: [BUG] 2.6.25-rc2-git3 broke cdrecord

On Mon, 3 Mar 2008 02:48:23 +0100 (CET)
Stefan Richter <stefanr@...6.in-berlin.de> wrote:

> [resend with linux-ide and linux-scsi CCed]
> 
> Mikael Pettersson wrote:
> > Carlos R. Mafra writes:
> >  > On Sun  2.Mar'08 at 21:53:25 +0100, Mikael Pettersson wrote:
> >  > > On my main workstation (Intel P965 chipset, ICH8 SATA driven by ahci,
> >  > > Samsung/Toshiba SH-203P SATA DVD writer, FC5 user-space), cdrecord
> >  > > stopped working on the 2.6.25-rc3 kernel, with the complaint:
> >  > > 
> >  > > Warning: controller returns zero sized CD capabilities page.
> >  > > Warning: controller returns wrong page 0 for CD capabilities page (2A).
> [...]
> >  > I will try to help by pointing you to the patch here: 
> >  > http://lkml.org/lkml/2008/2/28/76
> >  > 
> >  > It seems your problem is similar to the one Mike Galbraith reported.
> > 
> > That patch does seem to fix the problem. Thanks.
> 
> This also fixes the same regression for FireWire.
> 
> However, CD burning still fails for me via ide-cd, although in a
> different way than without the patch.  (Without the patch, ide-cd also
> fails like described by you for SATA.)
> 
> With the patch, the failure is as follows.  I don't know if this is
> related to the data length arithmetic or something entirely different;
> all I learned so far is that 2.6.24 works.  Application log from
> 2.6.25-rc3 + Tejun's patch + Gentoo's cdrkit-1.1.6 + k3b:

Can you try the following patch?

http://lkml.org/lkml/2008/3/2/218

Thanks,
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