From owner-freebsd-current Thu Aug 13 20:56:29 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id UAA13432 for freebsd-current-outgoing; Thu, 13 Aug 1998 20:56:29 -0700 (PDT) (envelope-from owner-freebsd-current@FreeBSD.ORG) Received: from smtp01.primenet.com (smtp01.primenet.com [206.165.6.131]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id UAA13427 for ; Thu, 13 Aug 1998 20:56:27 -0700 (PDT) (envelope-from tlambert@usr06.primenet.com) Received: (from daemon@localhost) by smtp01.primenet.com (8.8.8/8.8.8) id UAA19898; Thu, 13 Aug 1998 20:56:00 -0700 (MST) Received: from usr06.primenet.com(206.165.6.206) via SMTP by smtp01.primenet.com, id smtpd019838; Thu Aug 13 20:55:50 1998 Received: (from tlambert@localhost) by usr06.primenet.com (8.8.5/8.8.5) id UAA00642; Thu, 13 Aug 1998 20:55:48 -0700 (MST) From: Terry Lambert Message-Id: <199808140355.UAA00642@usr06.primenet.com> Subject: Re: Tentative fix for VM bug To: tlambert@primenet.com (Terry Lambert) Date: Fri, 14 Aug 1998 03:55:48 +0000 (GMT) Cc: current@FreeBSD.ORG In-Reply-To: <199808140244.TAA26443@usr02.primenet.com> from "Terry Lambert" at Aug 14, 98 02:44:08 am X-Mailer: ELM [version 2.4 PL25] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG > A posting about NFS problems to the -hackers list gave me the clue > I needed. > > I believe I have a fix for the VM bug. > > Would people running -current *AND* experiencing: > > o zeroed pages that shouldn't be > > o process hangs sleeping in "vmopar" > > o nfs client instability when executing programs or accessing > files from the server (ie: mailboxes, etc., using lockfiles) > > o parts of files getting written to other files (that's me) > > o file corruption when accessing files via two routes (either > two processes, or one process that both mmap's and extends > the file via a descriptor). Note: If I have lost my mind, there are two other places where this could be happening instead. If I have lost my mind, then I expect an increase in the occurance "vm_page_free: freeing free page", and I will have to go back to the other places (which are vastly more complicated to fix). Terry Lambert terry@lambert.org --- Any opinions in this posting are my own and not those of my present or previous employers. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message