Return-Path: Received: from mailservice.tudelft.nl ([130.161.131.5]:34110 "EHLO mailservice.tudelft.nl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932322Ab1IHIT4 (ORCPT ); Thu, 8 Sep 2011 04:19:56 -0400 Message-ID: <4E687AA8.6000706@tudelft.nl> Date: Thu, 08 Sep 2011 10:19:52 +0200 From: Richard Smits To: NeilBrown CC: linux-nfs@vger.kernel.org Subject: Re: rpc.mountd switch not working References: <4E64C8A0.6020806@tudelft.nl> <20110907160933.2a26ef3a@notabene.brown> In-Reply-To: <20110907160933.2a26ef3a@notabene.brown> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Sender: linux-nfs-owner@vger.kernel.org List-ID: MIME-Version: 1.0 On 09/07/2011 08:09 AM, NeilBrown wrote: > On Mon, 05 Sep 2011 15:03:28 +0200 Richard Smits wrote: > >> Hello, >> >> I have a question about the use of the following switch with rpc.mountd. >> >> -g or --manage-gids >> >> It has come to my attention that the use of this switch is not working >> well in Redhat v6. When I have a user who has a large group membership, >> the following errors appear, and the "cd" command hangs. >> >> Sep 5 14:50:04 srv043 rpc.mountd[2563]: qword_eol: fflush failed: errno >> 22 (Invalid argument) >> >> Process : >> >> root 2563 1 0 14:44 ? 00:00:00 rpc.mountd -g >> >> The use of 60 groups is working well, but we have some users with more >> than 100 groups, and those fails. For uid mapping we use Winbind. >> >> /etc/exports : >> >> /export server.company.com(rw,no_subtree_check,no_root_squash) >> >> Client fstab : >> >> server.company.com:/export /data nfs >> nolock,defaults,user 1 2 >> >> Can anyone tell me what this error means ? > > Probably means that the redhat package is missing upstream commit > 9274e94db85bac04e170414cb8e0f4be271cde90 > (which is from April this year, so not unlikely). > > http://git.linux-nfs.org/?p=steved/nfs-utils.git;a=commitdiff;h=5604b35a61e22930873ffc4e9971002f578e7978 > > NeilBrown Yes, the nfsd is from april this year, so i think you're right. -rwxr-xr-x. 1 root root 19960 Apr 20 19:21 /usr/sbin/rpc.nfsd nfs-utils-1.2.3-7.el6.x86_64 I wil try to find a solution. Thank you for the information. Greetings .. Richard