Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759422AbXFFINZ (ORCPT ); Wed, 6 Jun 2007 04:13:25 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754544AbXFFINK (ORCPT ); Wed, 6 Jun 2007 04:13:10 -0400 Received: from byss.tchmachines.com ([208.76.80.75]:55718 "EHLO byss.tchmachines.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753935AbXFFINI (ORCPT ); Wed, 6 Jun 2007 04:13:08 -0400 Date: Wed, 6 Jun 2007 01:13:03 -0700 From: Ravikiran G Thirumalai To: nfs@lists.sourceforge.net Cc: linux-kernel@vger.kernel.org Subject: 2.6.21.3: NFS: Buggy server - nlink == 0! Message-ID: <20070606081303.GB7168@localdomain> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.13 (2006-08-11) X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - byss.tchmachines.com X-AntiAbuse: Original Domain - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - scalex86.org X-Source: X-Source-Args: X-Source-Dir: Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1888 Lines: 69 While running a dbench stress test on a nfs mounted file system, I notice the subject error message on the client machine. The client machine is a 48 core box with NUMA characteristics and 1024 dbench processes running continuously in a loop, while another memory hog application runs in parallel. The client is on 2.6.21.3. The server is booted up with 2.6.21.3 as well. Attached is the server configuration. Same test on a 2.6.16 client does not spew out these messages. Is this really the server issue, or is the NFS client to be blamed here? fstab on the client goes as: vus2:/mnt/sda5 /nfstest nfs udp,wsize=32768,rsize=32768 0 0 /etc/exports on the server looks like: /mnt/sda5 *(rw,no_root_squash,sync) I will be happy to post full config/dmesg if required. The client side NFS config goes as: # # Network File Systems # CONFIG_NFS_FS=y CONFIG_NFS_V3=y # CONFIG_NFS_V3_ACL is not set # CONFIG_NFS_V4 is not set CONFIG_NFS_DIRECTIO=y CONFIG_NFSD=y CONFIG_NFSD_V3=y # CONFIG_NFSD_V3_ACL is not set # CONFIG_NFSD_V4 is not set CONFIG_NFSD_TCP=y CONFIG_LOCKD=y CONFIG_LOCKD_V4=y CONFIG_EXPORTFS=y CONFIG_NFS_COMMON=y CONFIG_SUNRPC=y # CONFIG_RPCSEC_GSS_KRB5 is not set # CONFIG_RPCSEC_GSS_SPKM3 is not set The server side NFS config goes as: # # Network File Systems # CONFIG_NFS_FS=m CONFIG_NFS_V3=y CONFIG_NFS_V3_ACL=y # CONFIG_NFS_V4 is not set CONFIG_NFS_DIRECTIO=y CONFIG_NFSD=m CONFIG_NFSD_V2_ACL=y CONFIG_NFSD_V3=y CONFIG_NFSD_V3_ACL=y CONFIG_NFSD_V4=y CONFIG_NFSD_TCP=y CONFIG_LOCKD=m CONFIG_LOCKD_V4=y CONFIG_EXPORTFS=m CONFIG_NFS_ACL_SUPPORT=m CONFIG_NFS_COMMON=y CONFIG_SUNRPC=m Thanks, Kiran - 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/