linux-kernel - Re: [PATCH 0/6] kill-the-BKL/reiserfs3: performance improvements, faster than Bkl based scheme

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Date:	Fri, 1 May 2009 16:12:09 +0200
From:	Frederic Weisbecker <fweisbec@...il.com>
To:	Thomas Meyer <thomas@...3r.de>
Cc:	Ingo Molnar <mingo@...e.hu>, LKML <linux-kernel@...r.kernel.org>,
	Jeff Mahoney <jeffm@...e.com>,
	ReiserFS Development List <reiserfs-devel@...r.kernel.org>,
	Chris Mason <chris.mason@...cle.com>,
	Alexander Beregalov <a.beregalov@...il.com>,
	Alessio Igor Bogani <abogani@...ware.it>, J@...p.vs19.net
Subject: Re: [PATCH 0/6] kill-the-BKL/reiserfs3: performance improvements,
	faster than Bkl based scheme

On Fri, May 01, 2009 at 02:18:36PM +0200, Thomas Meyer wrote:
> Am Freitag, den 01.05.2009, 07:35 +0200 schrieb Ingo Molnar:
> > 
> > I've pulled it and have also merged -rc4 into the kill-the-BKL tree, 
> > which can picked up from here:
> > 
> >    git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip.git core/kill-the-BKL
> > 
> > So for comparative benchmarking, vanilla v2.6.30-rc4 (which has the 
> > BKL) can be compared against latest kill-the-BKL
> 
> Hi,
> 
> Kernel gets soft-locked-up in somewhere in initrd:
> 
> See
> http://m3y3r.de/bilder/img_0524.jpg
> http://m3y3r.de/bilder/img_0525.jpg
> http://m3y3r.de/bilder/img_0526.jpg
> http://m3y3r.de/bilder/img_0527.jpg
> http://m3y3r.de/bilder/img_0528.jpg
> http://m3y3r.de/bilder/img_0529.jpg


Looks like someone owns the kernel lock and is sleeping
with the assumption it releases the lock, like the old bkl did.

 
> config is:
> http://m3y3r.de/bilder/config-2.6.30-rc4-ktb


Thanks, I will try it out once I have some time.


> greets
> thomas
> 
> 

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