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    SubjectRe: NFS/RPC Hangs after updating time...
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    On Wed, Aug 22, 2007 at 02:37:22PM -0400, Morrison, Tom wrote:
    > I am working with a 2.6.11++ kernel on an embedded
    > server platform that is NFS serving Linux rootfs
    > for other embedded NFS Client boards.
    >
    > Everything works fine when the system time on the
    > server board is relatively synchronized with the real-time.
    >
    > It hangs after attempting to update the time from a
    > nonsensical time (e.g.: 2 months ago) - the most significant
    > part of it is that it only hangs IFF it has started
    > serving its NFS client boards before I attempt to
    > update the time.
    >
    >
    > The most significant output (when turning on
    > RPC debugging) is from:
    >
    > linux/net/sunrpc/cache.c (cache_check) - line 90:
    >
    > >> Want update, refage=1800, age=4288285
    >
    > It continually loops through this method - and the cache
    > never gets updated...even thought with some additional
    > sleuthing (aka: additional debug printks - it thinks
    > that there is an cache update pending).

    Can you reproduce the problem with the current kernel? (Say 2.6.22 or
    later?)

    --b.
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