From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762450AbXKMTm6 (ORCPT ); Tue, 13 Nov 2007 14:42:58 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1761310AbXKMTlS (ORCPT ); Tue, 13 Nov 2007 14:41:18 -0500 Received: from mail.fieldses.org ([66.93.2.214]:55265 "EHLO fieldses.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758519AbXKMTlO (ORCPT ); Tue, 13 Nov 2007 14:41:14 -0500 Date: Tue, 13 Nov 2007 14:41:13 -0500 To: Christian Kujau Cc: linux-kernel@vger.kernel.org Subject: Re: stuck nfsd processes with 2.6.24-rc2 Message-ID: <20071113194113.GA22590@fieldses.org> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.17 (2007-11-01) From: "J. Bruce Fields" Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Nov 13, 2007 at 08:07:55PM +0100, Christian Kujau wrote: > 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... Could you get a sysrq-T trace? (First get the [nfsd] processes in [D] state. Then type sysrq-T, or "echo t >/proc/sysrq-trigger". Then extract the stuff that's dumped to the logs.) --b.