From owner-cvs-all Sat Dec 12 18:02:47 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id SAA26310 for cvs-all-outgoing; Sat, 12 Dec 1998 18:02:47 -0800 (PST) (envelope-from owner-cvs-all@FreeBSD.ORG) Received: from roma.coe.ufrj.br (roma.coe.ufrj.br [146.164.53.65]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id SAA26300; Sat, 12 Dec 1998 18:02:43 -0800 (PST) (envelope-from jonny@jonny.eng.br) Received: (from jonny@localhost) by roma.coe.ufrj.br (8.8.8/8.8.8) id AAA23834; Sun, 13 Dec 1998 00:02:27 -0200 (EDT) (envelope-from jonny) From: Joao Carlos Mendes Luis Message-Id: <199812130202.AAA23834@roma.coe.ufrj.br> Subject: Re: cvs commit: src/sys/kern vfs_syscalls.c In-Reply-To: from Dag-Erling Smorgrav at "Dec 12, 98 11:49:20 pm" To: des@flood.ping.uio.no (Dag-Erling Smorgrav) Date: Sun, 13 Dec 1998 00:02:27 -0200 (EDT) Cc: dillon@FreeBSD.ORG, cvs-committers@FreeBSD.ORG, cvs-all@FreeBSD.ORG X-Mailer: ELM [version 2.4ME+ PL40 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-cvs-all@FreeBSD.ORG Precedence: bulk #define quoting(Dag-Erling Smorgrav) // Matt Dillon writes: // > Wakeup anyone waiting on a mount point prior to returning from umount, // > whether an error occurs or not. Fixes a stat/NFS-umount race and other // > potential future problems. Fix taken from bug/pr which also indicated // > that the same fix has already been applied to OpenBSD and NetBSD. // // OBTW, while somebody's looking into NFS and mount, I still (with a // kernel from mid-November) get panics when mounting a CD-ROM with // mountd running. I can try to get a kernel dump with a newer kernel if // anybody's interested. // // Speaking of kernel dumps, what happens to physical memory pages when // they're not in use? Are they zeroed? If not, is it possible to add a // kernel option that zeroes out unused pages, or fills them with a fixed // pattern (e.g. f001f001 og deadbeef)? That would make kernel dumps more // compressible... And, maybe, detect bugs due to lost pointers earlier. Jonny -- Joao Carlos Mendes Luis M.Sc. Student jonny@jonny.eng.br Universidade Federal do Rio de Janeiro "This .sig is not meant to be politically correct." To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message