linux-kernel - Re: "Fix ATAPI transfer lengths" causes CD writing regression

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Message-ID: <47278439.4030801@gentoo.org>
Date:	Tue, 30 Oct 2007 19:21:29 +0000
From:	Daniel Drake <dsd@...too.org>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
CC:	linux list <linux-kernel@...r.kernel.org>,
	linux-ide@...r.kernel.org
Subject: Re: "Fix ATAPI transfer lengths" causes CD writing regression

Alan Cox wrote:
> I would guess Brasero is issuing a command with the length of data
> wrongly set. In the old code that might well just produce errors of the
> "Umm wtf is this data left over for ?", with the new code the drive is
> likely to change state as it knows the transfer size and that will
> *correctly* cause an HSM error and what follows.
> 
> Now the question is who gets the length wrong - Brasero or the ata
> translation code in libata

Brasero does exactly the same as my test app which I attached to my last 
mail. Is my test app wrong?

Daniel

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