From owner-freebsd-hackers@FreeBSD.ORG Wed Mar 10 14:46:58 2004 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 0F37916A4CE; Wed, 10 Mar 2004 14:46:58 -0800 (PST) Received: from cain.gsoft.com.au (cain.gsoft.com.au [203.31.81.10]) by mx1.FreeBSD.org (Postfix) with ESMTP id E901043D1F; Wed, 10 Mar 2004 14:46:56 -0800 (PST) (envelope-from doconnor@gsoft.com.au) Received: from inchoate.gsoft.com.au (localhost [127.0.0.1]) (authenticated bits=0) by cain.gsoft.com.au (8.12.9/8.12.8) with ESMTP id i2AMkdQ9053851; Thu, 11 Mar 2004 09:16:40 +1030 (CST) (envelope-from doconnor@gsoft.com.au) From: "Daniel O'Connor" To: freebsd-current@freebsd.org Date: Thu, 11 Mar 2004 09:16:37 +1030 User-Agent: KMail/1.6 References: In-Reply-To: MIME-Version: 1.0 Content-Disposition: inline Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <200403110916.37277.doconnor@gsoft.com.au> X-Spam-Score: -1.8 () CARRIAGE_RETURNS,IN_REP_TO,QUOTED_EMAIL_TEXT,REFERENCES,SPAM_PHRASE_01_02,USER_AGENT X-Scanned-By: MIMEDefang 2.16 (www . roaringpenguin . com / mimedefang) cc: freebsd-hackers@freebsd.org cc: Robert Watson cc: David Gilbert Subject: Re: usermode linux on BSD? X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 10 Mar 2004 22:46:58 -0000 On Thu, 11 Mar 2004 00:43, Robert Watson wrote: > On Wed, 10 Mar 2004, David Gilbert wrote: > > Has anyone made an attempt to run usermode linux on FreeBSD? Is the > > issue-list long? > > There was a neat paper at BSDCon 2003 discussing running usermode FreeBSD > on Linux, and it talked about what would be necessary to make usermode > FreeBSD run on FreeBSD. You can find the paper off the USENIX web site, > or perhaps via Google. I think it was a relatively small set of changes. I think this is it -> http://www.usenix.org/publications/library/proceedings/bsdcon03/tech/eiraku/eiraku_html/ They used NetBSD, and modified it's ptrace() in a pretty minor fashion. They also hacked out the BIOS calls from a FreeBSD 4.7 to make it easier to run (they don't have a VM8086 emulator :) This is some pretty neat stuff! -- Daniel O'Connor software and network engineer for Genesis Software - http://www.gsoft.com.au "The nice thing about standards is that there are so many of them to choose from." -- Andrew Tanenbaum GPG Fingerprint - 9A8C 569F 685A D928 5140 AE4B 319B 41F4 5D17 FDD5