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Date:	Tue, 14 Nov 2006 21:19:57 +0000 (GMT)
From:	Mel Gorman <mel@....ul.ie>
To:	Andrew Morton <akpm@...l.org>
Cc:	Hugh Dickins <hugh@...itas.com>,
	"Martin J. Bligh" <mbligh@...igh.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: Boot failure with ext2 and initrds

On Tue, 14 Nov 2006, Andrew Morton wrote:

> On Tue, 14 Nov 2006 19:11:22 +0000 (GMT)
> Hugh Dickins <hugh@...itas.com> wrote:
>
>> On Tue, 14 Nov 2006, Mel Gorman wrote:
>>> 2.6.19-rc5-mm2
>>>
>>> Am seeing errors with systems using ext2. First machine is a plan old x86
>>> using initramfs. Console output looks like;
>>> ...
>>> Configuring network interfaces...BUG: soft lockup detected on CPU#3!
>>> ...
>>>  [<c01b3b80>] ext2_try_to_allocate+0xdb/0x152
>>>  [<c01b3e72>] ext2_try_to_allocate_with_rsv+0x4b/0x1b2
>>>
>>> I've not investigated yet what patches might be at fault.
>>
>> I expect you'll find it's
>> ext2-reservations-bring-ext2-reservations-code-in-line-with-latest-ext3.patch
>> which gets stuck in a loop there for me too: back it out and all seems fine.
>>
>> It's not obvious which part of the patch is to blame: mostly it's
>> cleanup, but a few variables do change size: I'm currently narrowing
>> down to where a fix is needed.
>>
>
> Doing s/-Wall/-W/ tends to shake out bugs in this stuff.
>
> The below might help.
>

It worked for me on the two problem machines. Thanks
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