From owner-freebsd-bugs@FreeBSD.ORG Thu Jun 17 12:50:03 2010 Return-Path: Delivered-To: freebsd-bugs@hub.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id D305D106566B for ; Thu, 17 Jun 2010 12:50:03 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx1.freebsd.org (Postfix) with ESMTP id AFC048FC2A for ; Thu, 17 Jun 2010 12:50:03 +0000 (UTC) Received: from freefall.freebsd.org (localhost [127.0.0.1]) by freefall.freebsd.org (8.14.4/8.14.4) with ESMTP id o5HCo3hF089307 for ; Thu, 17 Jun 2010 12:50:03 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.4/8.14.4/Submit) id o5HCo3N5089306; Thu, 17 Jun 2010 12:50:03 GMT (envelope-from gnats) Resent-Date: Thu, 17 Jun 2010 12:50:03 GMT Resent-Message-Id: <201006171250.o5HCo3N5089306@freefall.freebsd.org> Resent-From: FreeBSD-gnats-submit@FreeBSD.org (GNATS Filer) Resent-To: freebsd-bugs@FreeBSD.org Resent-Reply-To: FreeBSD-gnats-submit@FreeBSD.org, Robert Schulze Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 4AC62106567B for ; Thu, 17 Jun 2010 12:41:05 +0000 (UTC) (envelope-from nobody@FreeBSD.org) Received: from www.freebsd.org (www.freebsd.org [IPv6:2001:4f8:fff6::21]) by mx1.freebsd.org (Postfix) with ESMTP id 39ED58FC22 for ; Thu, 17 Jun 2010 12:41:05 +0000 (UTC) Received: from www.freebsd.org (localhost [127.0.0.1]) by www.freebsd.org (8.14.3/8.14.3) with ESMTP id o5HCf4qg093949 for ; Thu, 17 Jun 2010 12:41:04 GMT (envelope-from nobody@www.freebsd.org) Received: (from nobody@localhost) by www.freebsd.org (8.14.3/8.14.3/Submit) id o5HCf4Lu093948; Thu, 17 Jun 2010 12:41:04 GMT (envelope-from nobody) Message-Id: <201006171241.o5HCf4Lu093948@www.freebsd.org> Date: Thu, 17 Jun 2010 12:41:04 GMT From: Robert Schulze To: freebsd-gnats-submit@FreeBSD.org X-Send-Pr-Version: www-3.1 Cc: Subject: kern/147940: mounting >1k TCP-NFS mounts fails X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 17 Jun 2010 12:50:03 -0000 >Number: 147940 >Category: kern >Synopsis: mounting >1k TCP-NFS mounts fails >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Thu Jun 17 12:50:03 UTC 2010 >Closed-Date: >Last-Modified: >Originator: Robert Schulze >Release: 7.1-RELEASE-p11 >Organization: >Environment: FreeBSD XXXXX 7.1-RELEASE-p11 FreeBSD 7.1-RELEASE-p11 #5: Tue Mar 2 12:44:28 CET 2010 root@XXXXX:/usr/obj/usr/src/sys/XXXXX amd64 >Description: Having >1k mountpoints in fstab, mount -a fails after the 212th mountpoint with the following message: "RPCPROG_MNT: RPC: Authentication error; why = Client credential too weak" All mountpoints are mounted with: rw,soft,noatime,-N,-T,noinet6,-r=8192,-w=8192 Ommitting the -T flag and so using UDP mounts, everything is OK as long as -N is given, otherwise even UDP mounts fail. The Server is FreeBSD-8.0, exporting >1k ZFS mountpoints. In /var/log/messages, there is the following hint "mount request from XXXXX from unprivileged port" As mountd(8) says, one may set vfs.nfsrv.nfs_privport to 0, but could that expose a security risk? >How-To-Repeat: create /etc/fstab with a large number of NFS mounts $ mount -a >Fix: >Release-Note: >Audit-Trail: >Unformatted: