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SubjectRe: [PATCH 0/3] NFS regression in 2.6.26?, "task blocked for more than 120 seconds"
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On Tue, 2008-12-02 at 16:22 +0100, Kasparek Tomas wrote:
> On Sun, Nov 30, 2008 at 07:29:40PM -0500, Trond Myklebust wrote:
> > On Sun, 2008-11-30 at 19:17 -0500, Trond Myklebust wrote:
> > > Can you see if the following 3 patches help? They're against 2.6.28-rc6,
> > > but afaics the problems are pretty much the same on 2.6.26.
> >
> > Sorry... I forgot to add that these 3 patches need to be applied to the
> > nfs server, not the client.
>
> Hi,
>
> I have the problem on client side and can not change server (FreeBSD 7.0).
> these patches does not change the situation (and they are probably not
> supposed to do so, just giving it a try). After few minutes I got this on
> the client with 2.6.28-rc6 with patches:
>
> tcp 0 0 147.229.12.146:674 147.229.176.14:2049 FIN_WAIT2
>
> Applying reverse e06799f958bf7f9f8fae15f0c6f519953fb0257c suggested by Ian
> does help on the other side (with 2.6.27.4).

Then I suggest working around the problem by reducing the value of the
sysctl net.ipv4.tcp_fin_timeout on the client.
--
Trond Myklebust
Linux NFS client maintainer

NetApp
Trond.Myklebust@netapp.com
www.netapp.com


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