linux-kernel - Re: [regression] CD-ROM polling blocks suspend on some machines (Re: [PATCH 1/2] cdrom: always check_disk

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Date:	Wed, 7 Sep 2011 10:50:37 +0200
From:	Matthijs Kooijman <matthijs@...in.nl>
To:	Tejun Heo <tj@...nel.org>
Cc:	Jameson Graef Rollins <jrollins@...estructure.net>,
	Jonathan Nieder <jrnieder@...il.com>,
	Jens Axboe <axboe@...nel.dk>, Amit Shah <amit.shah@...hat.com>,
	David Zeuthen <zeuthen@...il.com>,
	Martin Pitt <martin.pitt@...ntu.com>,
	Kay Sievers <kay.sievers@...y.org>,
	linux-kernel@...r.kernel.org, Jean Schurger <jean@...urger.org>,
	Jan Lübbe <jluebbe@...ian.org>,
	Nacho Barrientos Arias <nacho@...ian.org>
Subject: Re: [regression] CD-ROM polling blocks suspend on some machines
	(Re: [PATCH 1/2] cdrom: always check_disk_change() on open)

Hi Tejun,

> Also, can you please explain the steps needed to trigger this problem?
I'm not the one that supplied the backtraces, but I'm having the same
problem. I did a fairly extensive writeup on the Debian bug report,
perhaps this could (help to) answer your question:

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=628600#23

I'll leave the other questions to Jameson for now.

Gr.

Matthijs

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