linux-kernel - Re: [2.6.30-rc2] CD-R: wodim intermittent failures: [sr0] Add. Sense: Logical block address out of range, sector 0

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Date:	Thu, 23 Apr 2009 00:07:13 -0700
From:	Andy Isaacson <adi@...apodia.org>
To:	Robert Hancock <hancockrwd@...il.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-ide@...r.kernel.org
Subject: Re: [2.6.30-rc2] CD-R: wodim intermittent failures: [sr0] Add. Sense: Logical block address out of range, sector 0

On Thu, Apr 23, 2009 at 12:46:19AM -0600, Robert Hancock wrote:
> >Oh well, let's tentatively assume that we have a post-2.6.29 regression
> >in the libata ahci driver.
> 
> I tend to doubt it's a problem in ahci itself, I would guess it's higher 
> up the stack. Or could be that it's not a kernel bug, just some change 
> in timing that triggers the problem.
> 
> What's supposed to stop udev/hal from poking at the drive while wodim is 
> writing to the disc, anyway?

wodim opens O_EXCL, and it does occasionally complain about not being
able to open, then sleeping and retrying.

-andy
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