Return-Path: linux-nfs-owner@vger.kernel.org Received: from mx1.redhat.com ([209.132.183.28]:11106 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753078Ab3EIMfU convert rfc822-to-8bit (ORCPT ); Thu, 9 May 2013 08:35:20 -0400 Date: Thu, 9 May 2013 08:35:15 -0400 From: Jeff Layton To: Toralf =?ISO-8859-1?B?RvZyc3Rlcg==?= Cc: Linux NFS mailing list Subject: Re: NFSD: unable to generate recoverydir name (-2). Message-ID: <20130509083515.1f138786@tlielax.poochiereds.net> In-Reply-To: <518B54D7.3090605@gmx.de> References: <518AA163.2060906@gmx.de> <518B54D7.3090605@gmx.de> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-nfs-owner@vger.kernel.org List-ID: On Thu, 09 May 2013 09:48:39 +0200 Toralf F?rster wrote: > On 05/08/2013 09:02 PM, Toralf F?rster wrote: > > 2013-05-08T20:43:19.416+02:00 n22 kernel: NFSD: unable to generate recoverydir name (-2). > > 2013-05-08T20:43:19.416+02:00 n22 kernel: NFSD: disabling legacy clientid tracking. Reboot recovery will not function correctly! > > 2013-05-08T20:43:19.416+02:00 n22 kernel: BUG: unable to handle kernel NULL pointer dereference at 000003c8 > > After this the NFS daemon itself at the host hangs completely. > The whole server has to be rebooted to get the NFS service back. > > This behaviour is reproducible. > Nice catch -- thanks for reporting this. I see the bug and have a patch that I'll send along in a bit. It's fairly straightforward but if you can test it, then that would be wonderful. Thanks! -- Jeff Layton