linux-kernel - Re: NFS regression? Odd delays and lockups accessing an NFS export.

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Message-ID: <48BC2466.2070806@opengridcomputing.com>
Date:	Mon, 01 Sep 2008 12:20:38 -0500
From:	Tom Tucker <tom@...ngridcomputing.com>
To:	Ian Campbell <ijc@...lion.org.uk>
CC:	"J. Bruce Fields" <bfields@...ldses.org>,
	Trond Myklebust <trond.myklebust@....uio.no>,
	John Ronciak <john.ronciak@...il.com>,
	Grant Coady <gcoady.lk@...il.com>,
	linux-kernel@...r.kernel.org, neilb@...e.de,
	linux-nfs@...r.kernel.org,
	Jeff Kirsher <jeffrey.t.kirsher@...el.com>,
	Jesse Brandeburg <jesse.brandeburg@...el.com>,
	Bruce Allan <bruce.w.allan@...el.com>,
	PJ Waskiewicz <peter.p.waskiewicz.jr@...el.com>,
	John Ronciak <john.ronciak@...el.com>,
	e1000-devel@...ts.sourceforge.net
Subject: Re: NFS regression? Odd delays and lockups accessing an NFS export.

Ian Campbell wrote:
> On Sun, 2008-08-31 at 14:51 -0500, Tom Tucker wrote:
>   
>> Looks like you ran this on the client. Sorry, Ian, I should have been
>> more specific. You need to modify the rpc_debug file on the server.
>>     
>
> I tried this on the server but it's pretty crippling (the server is
> quite weedy, 300MHz K3 or something).
>
> I'll leave it logging overnight since things should be pretty quiet (and
> that's often when the problem occurs) but if there's a less aggressive
> setting than 256 but which would still be useful I could leave it on
> permanently until the problem happens.
>
>   
Thanks Ian. Unfortunately, that's as fine grained as it gets. 256 
(0x100) is the bit for transport logging.
> Ian.
>   

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