Return-Path: linux-nfs-owner@vger.kernel.org Received: from rcsinet15.oracle.com ([148.87.113.117]:17997 "EHLO rcsinet15.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932286Ab1LEUTO convert rfc822-to-8bit (ORCPT ); Mon, 5 Dec 2011 15:19:14 -0500 Subject: Re: Empty core dumps on NFSv4 mounts Mime-Version: 1.0 (Apple Message framework v1251.1) Content-Type: text/plain; charset=us-ascii From: Chuck Lever In-Reply-To: <2E1EB2CF9ED1CB4AA966F0EB76EAB4430C544D70@SACMVEXC2-PRD.hq.netapp.com> Date: Mon, 5 Dec 2011 15:19:05 -0500 Cc: "Linux NFS Mailing List" Message-Id: References: <2E1EB2CF9ED1CB4AA966F0EB76EAB4430C544D70@SACMVEXC2-PRD.hq.netapp.com> To: "Myklebust, Trond" Sender: linux-nfs-owner@vger.kernel.org List-ID: On Dec 5, 2011, at 3:14 PM, Myklebust, Trond wrote: > No. There have been no kernel idmapper changes since then. > > The correct thing to do here is to cache the string name in struct > nfs_fattr, and then do the upcall from the caller of OPEN. I believe > that Arnaud wrote a patch to do this, however the whole pNFS merge got > in my way of reviewing this. Feel free to take a look at what he did, > and post comments... We're looking at his patch, from July 2010, now. It calls kmalloc() in the XDR decoder. Is there a newer version? > Cheers > Trond > >> -----Original Message----- >> From: Chuck Lever [mailto:chuck.lever@oracle.com] >> Sent: Monday, December 05, 2011 3:10 PM >> To: Myklebust, Trond >> Cc: Linux NFS Mailing List >> Subject: Empty core dumps on NFSv4 mounts >> >> Bump. >> >> http://comments.gmane.org/gmane.linux.nfs/33390 >> >> We have evidence that this is still occurring as late as 3.0. Have > recent >> idmapper changes addressed this issue? >> >> -- >> Chuck Lever >> chuck[dot]lever[at]oracle[dot]com >> >> >> > > -- > To unsubscribe from this list: send the line "unsubscribe linux-nfs" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- Chuck Lever chuck[dot]lever[at]oracle[dot]com