Re: NFS4 sec=krb5 broken in 3.9-rc8

From: Malte SchrÃder
Date: Fri Apr 26 2013 - 12:56:28 EST

On 26.04.2013 17:23, J. Bruce Fields wrote:
> On Fri, Apr 26, 2013 at 11:20:39AM +0200, Malte SchrÃder wrote:
>> On 24.04.2013 21:23, J. Bruce Fields wrote:
>>> On Wed, Apr 24, 2013 at 07:07:59PM +0200, Malte SchrÃder wrote:
>>> Probably some of those "svc_process dropit"s are coming from attempts to
>>> look up the newly created cred (so lookups in the rsc_cache) which fail
>>> for some reason. I'm not sure what that would be.
>>> --b.
>> Hi,
>> I tried bisecting the problem. It identified
>> 683428fae8c73d7d7da0fa2e0b6beb4d8df4e808 as the problem, reverting it
>> didn't fix the problem, though. During the process there where some
>> states where mounting wouldn't hang but be denied. I will try bisecting
>> again, later.
> Oh, so probably 3c34ae11fac3b30629581d0bfaf80f58e82cfbfb "nfsd: fix krb5
> handling of anonymous principals" needs backporting to stable--could you
> confirm whether applying that helps?
> Thanks for the bisection.
> --b.

Well, I have the problem on 3.9-rc8, 3.8.5 works totally fine for me.
Just for fun I reverted the path you mentioned, and now the behaviour
has changed: It doesn't hang anymore, now I get access denied from the


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