Return-Path: linux-nfs-owner@vger.kernel.org Received: from fieldses.org ([174.143.236.118]:53218 "EHLO fieldses.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753781Ab3DZRQl (ORCPT ); Fri, 26 Apr 2013 13:16:41 -0400 Date: Fri, 26 Apr 2013 13:16:40 -0400 From: "J. Bruce Fields" To: Malte =?utf-8?B?U2NocsO2ZGVy?= Cc: linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: NFS4 sec=krb5 broken in 3.9-rc8 Message-ID: <20130426171640.GF17268@fieldses.org> References: <5176E715.2070201@gmx.de> <20130423215807.GL3676@fieldses.org> <51777494.8010306@gmx.de> <20130424140152.GA9794@fieldses.org> <5178116F.1010608@gmx.de> <20130424192353.GI20275@fieldses.org> <517A46E7.1020404@gmx.de> <20130426152334.GC17268@fieldses.org> <517AB1B3.7000301@gmx.de> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 In-Reply-To: <517AB1B3.7000301@gmx.de> Sender: linux-nfs-owner@vger.kernel.org List-ID: On Fri, Apr 26, 2013 at 06:56:19PM +0200, Malte Schröder wrote: > On 26.04.2013 17:23, J. Bruce Fields wrote: > > On Fri, Apr 26, 2013 at 11:20:39AM +0200, Malte Schröder wrote: > >> On 24.04.2013 21:23, J. Bruce Fields wrote: > >>> On Wed, Apr 24, 2013 at 07:07:59PM +0200, Malte Schröder 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. Oops, right--should have looked at the subject line. > 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 > server. OK, I'm out of ideas for now.... --b.