linux-kernel - Re: [BUG?] recursive locking in acpi_bus_register

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Message-Id: <20100208124845.f652e951.akpm@linux-foundation.org>
Date:	Mon, 8 Feb 2010 12:48:45 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Minchan Kim <minchan.kim@...il.com>
Cc:	Len Brown <lenb@...nel.org>, inux-acpi@...r.kernel.org,
	linux-kernel@...r.kernel.org, Greg KH <greg@...ah.com>
Subject: Re: [BUG?] recursive locking in acpi_bus_register_driver

On Fri, 5 Feb 2010 15:58:07 +0900
Minchan Kim <minchan.kim@...il.com> wrote:

> Is this a known bug or my hardware is bad ?
> I use mmotm 2010-02-03-20-09.
> 
> I didn't have a problem in 2.6.32.
> Unfortunately I can't test it at next week.
> I hope this problem can be reproduced easily.
> 

It would be useful if you could work out whether this bug is only in
-mm, or is in linux-next or is in mainline, please.

Probably it's in linux-next, and it might be due to driver core changes
or acpi changes.

Either way, we should get this weeded out lest the offending code turns
up in 2.6.34-rc1.

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