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Date:      Wed, 12 Jan 2005 08:54:08 -0800 (PST)
From:      Mohan Srinivasan <>
To:        Daniel Eriksson <>,
Subject:   Re: NFS problems, locking up
Message-ID:  <>
In-Reply-To: <!~!>

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Can you force a core and point me at the core ?


--- Daniel Eriksson <> wrote:

> I'm still having problems with NFS locking up when moving large amounts of
> data over it on 6-CURRENT from 2005. This problem has
> persisted for a long time now, and the only thing that seems to cure it is
> running the network stack with giant enabled (debug.mpsafenet=0).
> When it happens, the process doing the copying ends up in "nfsaio" state
> according to ps. Any accesses to the locked mount by other processes ends up
> waiting forever in state "nfs". I have multiple file systems mounted from
> the same server, and only the mount where the data is being moved locks up.
> The others continue to work as expected.
> Server: UP, 6-CURRENT from 2005., if_vr (POLLING)
> Client: SMP (dual AMD MP), 6-CURRENT from 2005., if_em
> The machines are connected with a crossover cable. I've tried both
> schedulers (4BSD and ULE) on the client, but it doesn't make any difference
> (server is running 4BSD). PREEMPTION is enabled on both server and client.
> ADAPTIVE_GIANT is enabled on the client.
> /Daniel Eriksson
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