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SubjectRe: nfsd hang and kernel bug in 2.6.35-rc3
On Wed, 16 Jun 2010 12:35:32 -0400
Jeff Layton <jlayton@redhat.com> wrote:
[snip]
> No, I don't think we ever saw any oopses from this, but I think I can
> see what happened here:
>
> rpc.nfsd was unable to hand any socket fd's off to the kernel due to
> being unable to start lockd. Regardless though, it tried to start
> threads anyway, and called into nfsd_init_socks. It then started a udp
> socket, and tried to call lockd_up again. That failed, and it
> returned error. Now sv_permsocks is non-empty but the socket there
> doesn't hold a lockd reference.
>
> The right fix is probably to tear down the socket when lockd_up fails
> in nfsd_init_socks.
>
> I suspect that Chris may be using an older version of rpc.nfsd though
> that might behave a little differently than the one I was using, and
> that might account for why he hit this and we didn't.
>
> Chris, what version of nfs-utils do you have installed on this box?
[snip]

It's the stock nfs-utils-1.2.2 which comes with slackware 13.1, which
seems to be the latest (stable) release.

Chris




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