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To: Russell King <rmk@arm.linux.org.uk>
Cc: samcconn@cotw.com (Scott A McConnell), linux-kernel@vger.kernel.org
Subject: Re: nfs_refresh_inode: inode number mismatch
In-Reply-To: <200102222159.f1MLxb031306@flint.arm.linux.org.uk>
From: Trond Myklebust <trond.myklebust@fys.uio.no>
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Date: 23 Feb 2001 10:30:34 +0100
In-Reply-To: Russell King's message of "Thu, 22 Feb 2001 21:59:37 +0000 (GMT)"
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>>>>> " " == Russell King <rmk@arm.linux.org.uk> writes:

     > Scott A McConnell writes:
    >> I am running RedHat Linux version 2.2.16-3 on my PC and Hardhat
    >> Linux version 2.4.0-test5 on my MIPS board. Any thoughts or
    >> suggestions?
    >>
    >> I saw a discussion start on the ARM list along these lines but
    >> I never saw a solution.

     > The problem is partly caused by the NFS server indefinitely
     > caching NFS request XIDs to responses, and the NFS client not
     > having a way to generate a random initial XID.  (thus, for each
     > reboot, it starts at the same XID number).

That shouldn't be true in the latest kernels. knfsd should normally
cache requests for no longer than 2 minutes with the changes made by
Neil following your bugreport.

Cheers,
   Trond