From owner-freebsd-current Fri Dec 5 09:38:51 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.7/8.8.7) id JAA17433 for current-outgoing; Fri, 5 Dec 1997 09:38:51 -0800 (PST) (envelope-from owner-freebsd-current) Received: from dyson.iquest.net (dyson.iquest.net [198.70.144.127]) by hub.freebsd.org (8.8.7/8.8.7) with ESMTP id JAA17388; Fri, 5 Dec 1997 09:38:39 -0800 (PST) (envelope-from toor@dyson.iquest.net) Received: (from root@localhost) by dyson.iquest.net (8.8.7/8.8.8) id MAA02167; Fri, 5 Dec 1997 12:37:50 -0500 (EST) (envelope-from toor) From: "John S. Dyson" Message-Id: <199712051737.MAA02167@dyson.iquest.net> Subject: Re: mmap() + NFS == &*$%@$!!! In-Reply-To: from Tom Bartol at "Dec 5, 97 09:29:31 am" To: bartol@salk.edu (Tom Bartol) Date: Fri, 5 Dec 1997 12:37:49 -0500 (EST) Cc: karl@mcs.net, wpaul@skynet.ctr.columbia.edu, dyson@freebsd.org, current@freebsd.org X-Mailer: ELM [version 2.4ME+ PL31 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-freebsd-current@freebsd.org X-Loop: FreeBSD.org Precedence: bulk Tom Bartol said: > > FYI, > > Replacing version 1.44 of /sys/nfs/nfs_bio.c with version 1.41 as > described below fixed the "Fatal trap 12: page fault while in kernel mode" > error that I had been getting frequently while running pine (my /var/mail > is an NFS mounted filesystem). NFS read and write performance were not > affected by backing out to version 1.41 (to the best of my ability to > measure performance). > If no-one else works on it before Saturday, I'll see what I can do to take your suggestion on -current. -- John dyson@freebsd.org jdyson@nc.com