Re: Failure to mount nfsv4 on 3.12.0-rc5-wl+

[Ben Greear <greearb@candelatech.com>]

On 10/22/2013 10:18 AM, Weston Andros Adamson wrote:
> 
> On Oct 22, 2013, at 1:09 PM, Ben Greear <greearb@candelatech.com> wrote:
> 
>> This is on an un-hacked upstream kernel (ath tree).  Mounting an older
>> Fedora 13 system with nfsv3 works fine, but mounting a F17 box with
>> NFSv4 hangs.  Ctrl-c of the process yields this error:
>>
>> NFS: nfs4_discover_server_trunking unhandled error -512. Exiting with error EIO
> 
> I have seen this error message and I'm currently debugging it - it's due to a hang in GSSD upcall.  This message is generated when the user ^Cs the mount. This is reproducible, but the hang only happens for me every once in a while. I can make it happen pretty reliably if I call mount/unmount a bunch of times (like the test_sec_options.sh script I posted last week).
> 
> This issue is next on my list...

Ok, no problem.  The vers=3 thing is fine for me.

I do seem to have a good system for reproducing the problem if you
create some patches for testing...

Thanks,
Ben


-- 
Ben Greear <greearb@candelatech.com>
Candela Technologies Inc  http://www.candelatech.com