From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1763076AbXKMUqA (ORCPT ); Tue, 13 Nov 2007 15:46:00 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1762049AbXKMUpc (ORCPT ); Tue, 13 Nov 2007 15:45:32 -0500 Received: from tomts10.bellnexxia.net ([209.226.175.54]:61659 "EHLO tomts10-srv.bellnexxia.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1761695AbXKMUpb (ORCPT ); Tue, 13 Nov 2007 15:45:31 -0500 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Aq4HALCbOUdMROHU/2dsb2JhbACBWw Date: Tue, 13 Nov 2007 15:45:13 -0500 From: Mathieu Desnoyers To: Christian Kujau Cc: linux-kernel@vger.kernel.org, bfields@fieldses.org Subject: Re: stuck nfsd processes with 2.6.24-rc2 Message-ID: <20071113204512.GC7450@Krystal> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Content-Disposition: inline In-Reply-To: X-Editor: vi X-Info: http://krystal.dyndns.org:8080 X-Operating-System: Linux/2.6.21.3-grsec (i686) X-Uptime: 15:42:58 up 10 days, 1:48, 5 users, load average: 1.53, 2.02, 1.66 User-Agent: Mutt/1.5.16 (2007-06-11) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org * Christian Kujau (lists@nerdbynature.de) wrote: > Hi there, > > I noticed that I cannot use kernel nfsd any more with 2.6.24-rc2, last > working kernel as of now is 2.6.23.1. First I was using nfsv4 but switching > to nfsv3 did not help either: exported shares can be mounted (client: > 2.6-git/powerpc32, nfs-common-1.1.1~git-20070709-3ubuntu1), but running "ls > /mountpoint" (even without "-l") on the client is enough to get the [nfsd] > processes in "D" state. > Restarting the rpc.nfsd process on the does not help much, the new rpc.nfsd > processes get stuck quickly. > > For more details please see http://nerdbynature.de/bits/2.6.24-rc2/nfsd/ > > I haven't seen this particular issue on the list recently, hence my post. > I'll try to git-bisect my way through the changesets, but it'll take some > time... > Hrm, sounds like an interesting case for LTTng. Feel free to try it and get the text dump of the last events that led to the nfsd hang. See http://ltt.polymtl.ca for the patchset for 2.6.24-rc3-git3, just follow the quickstart guide to get started. (the overall process could be faster than a git bisect....) Mathieu > Thanks, > Christian. > -- > BOFH excuse #314: > > You need to upgrade your VESA local bus to a MasterCard local bus. > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ > -- Mathieu Desnoyers Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68