From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefan Richter Subject: Re: Crash in 2.6.37 Date: Mon, 24 Jan 2011 15:00:31 +0100 Message-ID: <20110124150031.0a30e263@stein> References: <4D3C05E9.9030105@grumpydevil.homelinux.org> <1295828488.8278.33.camel@mulgrave.site> <4D3D2054.1060905@grumpydevil.homelinux.org> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: Received: from einhorn.in-berlin.de ([192.109.42.8]:42047 "EHLO einhorn.in-berlin.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751369Ab1AXOAi (ORCPT ); Mon, 24 Jan 2011 09:00:38 -0500 In-Reply-To: <4D3D2054.1060905@grumpydevil.homelinux.org> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: Rudy Zijlstra Cc: James Bottomley , linux-scsi@vger.kernel.org On Jan 24 Rudy Zijlstra wrote: > On 01/24/2011 01:21 AM, James Bottomley wrote: > > On Sun, 2011-01-23 at 11:41 +0100, Rudy Zijlstra wrote: > > > >> Dears, > >> > >> I got the following crash by: > >> - cp several G onto a raid 5 on a Marvell 88SE6480//// based controller > >> while also doing > >> - cp * ../test/ on the same raid. > >> > >> I strongly suspect mvsas to be the cause > >> > > I've got to ask why? > > > cause the 88SE6480 has been giving grief for a long time, and i was > loading that one specifically. > you may well be right (i do not read crash info i fear), but a bit > strange to have NFS crash when nfs was not much used at that moment > [...] > >> [ 2821.393697] Pid: 1105, comm: rpc.mountd Not tainted 2.6.37 #1 > >> X7SB4/E/X7SB4/E > >> [ 2821.393697] RIP: 0010:[] [] > >> cache_revisit_request+0xab/0x105 > >> > > This says the bad deref occurred in the sunrpc authentication cache. > > Nothing at all in the trace implicates mvsas ... in fact nothing even > > remotely relates to it at all. It really looks like an NFS problem. Perhaps a silent memory corruption, with an innocent bystander becoming a victim? Rudy, if possible repeat the test with NFS completely shut down and disabled. -- Stefan Richter -=====-==-== ---= ==--- http://arcgraph.de/sr/