From owner-freebsd-current@FreeBSD.ORG Wed Oct 27 17:21:06 2004 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 9C4AE16A4CE for ; Wed, 27 Oct 2004 17:21:06 +0000 (GMT) Received: from obsecurity.dyndns.org (CPE0050040655c8-CM00111ae02aac.cpe.net.cable.rogers.com [69.194.102.143]) by mx1.FreeBSD.org (Postfix) with ESMTP id 6D3D943D55 for ; Wed, 27 Oct 2004 17:21:06 +0000 (GMT) (envelope-from kris@obsecurity.org) Received: by obsecurity.dyndns.org (Postfix, from userid 1000) id 6C3D3513D2; Wed, 27 Oct 2004 10:22:10 -0700 (PDT) Date: Wed, 27 Oct 2004 10:22:10 -0700 From: Kris Kennaway To: Ben Mesander Message-ID: <20041027172210.GA59514@xor.obsecurity.org> References: <16767.52483.986921.670394@piglet.timing.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="G4iJoqBmSsgzjUCe" Content-Disposition: inline In-Reply-To: <16767.52483.986921.670394@piglet.timing.com> User-Agent: Mutt/1.4.2.1i cc: current@freebsd.org Subject: Re: -current NFSv2 and NFSv3 issues X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 27 Oct 2004 17:21:06 -0000 --G4iJoqBmSsgzjUCe Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Oct 27, 2004 at 10:29:55AM -0600, Ben Mesander wrote: > Hi all, >=20 > We're seeing some data corruption and performance problems here with > NFSv3/TCP on a machine running -current NFS client against a 4.8 NFS > server. >=20 > The problems can be reproduced by doing a 'make buildworld' over > NFS. With NFSv2 & UDP we could buildworld with -j8 and the build > would usually - but not always - complete successfully. The times when > it did not appeared to possibly be a result of the mtime.tv_usec not > being checked for files over NFS (ie, one build step creates a .depend > file, and another step tries to use it before it "appears" over NFS). Is this a vfs.nfs.access_cache_timeout issue? I don't remember if that does negative caching as well. Kris --G4iJoqBmSsgzjUCe Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.6 (FreeBSD) iD8DBQFBf9lCWry0BWjoQKURAv5pAJwOgfEal3fIAuDVp5OIC10J9T0nMQCg6hWk 8UM7NN2h+Dd4aduE5ehiwHg= =4LCn -----END PGP SIGNATURE----- --G4iJoqBmSsgzjUCe--