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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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