Date: Mon, 11 Oct 2004 14:56:39 -0700 From: Sean McNeil <sean@mcneil.com> To: Robert Watson <rwatson@freebsd.org> Cc: freebsd-current@freebsd.org Subject: Re: NFS trouble Message-ID: <1097531799.58856.3.camel@server> In-Reply-To: <Pine.NEB.3.96L.1041011174418.55701C-100000@fledge.watson.org> References: <Pine.NEB.3.96L.1041011174418.55701C-100000@fledge.watson.org>
next in thread | previous in thread | raw e-mail | index | archive | help
[-- Attachment #1 --] On Mon, 2004-10-11 at 14:46, Robert Watson wrote: > On Mon, 11 Oct 2004, Benjamin Lutz wrote: > > ... > > Nothing gets logged on the server, the client logs this repeatedly: > > nfs server uno:/var/www/localhost: not responding > > > > Forcibly unmounting the share works and seems to unfreeze the frozen > > applications. > > > > This behaviour is new. I cannot say when exactly I've first seen this, > > but I think it must have appeared somewhere between BETA5 and BETA7. > > > > What can I do to make NFS work more reliably again? > > When you're experiencing this problem, can the NFS client ping the NFS > server? Are other NFS clients able to continue to access the NFS server > without problems? It might be interesting to use tcpdump to see if the > client stops sending RPCs or not, and if not, whether the server responds > to them. If you set debug.mpsafenet=0 in loader.conf, does the problem > go away? Also, finally, what ethernet device(s) are you using, and are > there any notes about those devices in the dmesg output? Also, you didn't supply hardware info. Specifically, what is your nic on the FreeBSD box? There is a known problem with txcsum and re0 that requires you to do an ifconfig re0 -txcsum or you will experience symptoms like you are describing. Cheers, Sean [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.6 (FreeBSD) iD8DBQBBawGXyQsGN30uGE4RAiqrAKCGm9Yfr5hqGKA2YzDrsEqC2H712wCgyHNb p+dXPuorwOJP0uPLdHTSerI= =uNYC -----END PGP SIGNATURE-----
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?1097531799.58856.3.camel>