linux-kernel - Re: macbook pro dvd playback after suspend Buffer I/O error

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Message-ID: <4850794F.3000200@gmail.com>
Date:	Thu, 12 Jun 2008 10:18:07 +0900
From:	Tejun Heo <htejun@...il.com>
To:	Justin Mattock <justinmattock@...il.com>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-ide@...r.kernel.org
Subject: Re: macbook pro dvd playback after suspend Buffer I/O error

Justin Mattock wrote:
> O.K. attached is dmesg of playing a dvd, then suspending and wakingup,
> as well as starting after the buffer error.(audit messages)
> This is interesting, even  pausing the dvd before suspending, causes
> the same error.
> I sent a post to mplayer-users to see if there is a way to have
> mplayer pause and wait for the disk drive to align, but am still
> waiting
> for a response.

Can you please do the followings?

1. dd if=/dev/sr0 of=/dev/null bs=1M
2. suspend / resume
3. see whether dd fails and post the resulting dmesg.

Thanks.

-- 
tejun
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