linux-kernel - Re: [Bugme-new] [Bug 15426] New: Running many copies of bonnie++ on different filesystems seems to deadlock in sync

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Message-ID: <20100304174239.GO7517@skl-net.de>
Date:	Thu, 4 Mar 2010 18:42:39 +0100
From:	Andre Noll <maan@...temlinux.org>
To:	John Hughes <john@...va.COM>
Cc:	Jens Axboe <jens.axboe@...cle.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	bugzilla-daemon@...zilla.kernel.org,
	bugme-daemon@...zilla.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [Bugme-new] [Bug 15426] New: Running many copies of bonnie++ on different filesystems seems to deadlock in sync

On 15:55, John Hughes wrote:
> >That's the same patch you posted two weeks ago and on which Linus
> >commented he thinks it is broken. He also proposed another, simpler
> >patch (included below) which I'm running for a few days and which
> >fixes the sync problem for me.
> >  
> I've tried the "simpler patch" on my system and it makes no difference 
> for me.

Does it make no difference to Jens' patch, or no difference to an
unpatched kernel?

BTW, switching from cfq to noop or deadline also improved things a
bit for me.

Thanks
Andre
-- 
The only person who always got his work done by Friday was Robinson Crusoe

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