Re: Error mounting FC8 NFS server with 2.6.31-rc3 NFSv4 client.

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On Mon, 2009-07-20 at 15:09 -0700, Ben Greear wrote:
> I tried mounting an NFS server running FC8 (2.6.26.8-57.fc8 kernel)
> using a Fedora 11 system running an un-patched 2.6.31-rc3 64-bit kernel.
> 
> I am not sure at all that the FC8 system is set up to handle NFSv4 properly, but
> I was expecting some sort of useful error if that was the case.
> 
> Instead, I get this continually spewing to /var/log/messages:
> 
> Error: state manager failed on NFSv4 server 192.168.100.6 with error 2
> Error: state manager failed on NFSv4 server 192.168.100.6 with error 2
> Error: state manager failed on NFSv4 server 192.168.100.6 with error 2
> Error: state manager failed on NFSv4 server 192.168.100.6 with error 2
> ...
> 
> On the file-server, I see this:
> Jul 19 04:47:59 fs2 kernel: nfs4_cb: server 192.168.100.196 not responding, timed out
> Jul 19 04:49:29 fs2 kernel: nfs4_cb: server 192.168.100.196 not responding, timed out
> Jul 19 04:49:29 fs2 ntpd[2585]: kernel time sync status change 0001
> Jul 19 04:50:59 fs2 kernel: nfs4_cb: server 192.168.100.196 not responding, timed out
> 
> 
> I added some debug patches (on top of my other patches, including those to nfs)
> and got some debug info:
> 
> It seems that nfs4_init_clientid is returning -2, and establish_clid is returning
> -2.  This causes reclaim lease logic to fail, and that causes state manager to print
> out the error repeatedly.  -2 means ENOENT.
> 
> 
> As far as I can tell, the mount never completes, staying in D state and filling up
> logs (I deleted a 16GB /var/log/messages file a few minutes ago!)
> 
> The mount command I'm trying is:
> mount -t nfs4 192.168.100.6:/export/tmp /mnt/lf/nfs4-0
> 
> 
> My kernel config is found here:
> http://www.candelatech.com/oss/i7_config.txt
> 

What does /var/lib/nfs/v4recovery look like on the server?

Trond

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