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Message-ID: <4850794F.3000200@gmail.com>
Date: Thu, 12 Jun 2008 10:18:07 +0900
From: Tejun Heo <htejun@gmail.com>
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To: Justin Mattock <justinmattock@gmail.com>
CC: Andrew Morton <akpm@linux-foundation.org>, linux-kernel@vger.kernel.org,
       linux-ide@vger.kernel.org
Subject: Re: macbook pro dvd playback after suspend Buffer I/O error
References: <dd18b0c30804032207u36bd1f43l358e9949f0c94f79@mail.gmail.com>	 <20080404012147.abf8a598.akpm@linux-foundation.org>	 <484F31B8.8030001@gmail.com>	 <dd18b0c30806110045s6d19a034yd89b892441bd1621@mail.gmail.com>	 <dd18b0c30806111131gc1b506cva12f577ebb4afdf9@mail.gmail.com>	 <485048EC.2080608@gmail.com> <dd18b0c30806111527x22fa895em230ceade4712f073@mail.gmail.com>
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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