From owner-freebsd-emulation@FreeBSD.ORG Tue Apr 11 10:48:04 2006 Return-Path: X-Original-To: freebsd-emulation@freebsd.org Delivered-To: freebsd-emulation@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 8795916A401 for ; Tue, 11 Apr 2006 10:48:04 +0000 (UTC) (envelope-from joe@netmusician.org) Received: from netmusician.org (netmusician.org [209.67.223.75]) by mx1.FreeBSD.org (Postfix) with ESMTP id 2E2E743D46 for ; Tue, 11 Apr 2006 10:48:04 +0000 (GMT) (envelope-from joe@netmusician.org) Received: from localhost (localhost [127.0.0.1]) by netmusician.org (Postfix) with ESMTP id B13CE7309A for ; Tue, 11 Apr 2006 06:48:03 -0400 (EDT) Received: from netmusician.org ([127.0.0.1]) by localhost (netmusician.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 04942-10 for ; Tue, 11 Apr 2006 06:48:03 -0400 (EDT) Received: from [192.168.0.2] (12-223-193-72.client.insightbb.com [12.223.193.72]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (No client certificate requested) by netmusician.org (Postfix) with ESMTP id E602473099 for ; Tue, 11 Apr 2006 06:48:02 -0400 (EDT) Mime-Version: 1.0 (Apple Message framework v749.3) In-Reply-To: <8C304818-D731-4226-ACCD-805B986A1F2E@netmusician.org> References: <8C304818-D731-4226-ACCD-805B986A1F2E@netmusician.org> Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed Message-Id: Content-Transfer-Encoding: 7bit From: Joe Auty Date: Tue, 11 Apr 2006 06:48:03 -0400 To: freebsd-emulation@freebsd.org X-Mailer: Apple Mail (2.749.3) X-Virus-Scanned: by amavisd-new at netmusician.org Subject: Re: Qemu pegging my CPU X-BeenThere: freebsd-emulation@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Development of Emulators of other operating systems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 11 Apr 2006 10:48:04 -0000 It looks like Qemu just buggered up my networking so that it wasn't accepting incoming requests to the entire FreeBSD machine (although outgoing networking on that machine worked fine). Could this be caused by lack of RAM too, or perhaps a problem with the Qemu kernel module? I think I read somewhere else that it isn't always very stable? I think I am running into swap... The answer sounds like adding more RAM or more swap to the machine. On Apr 10, 2006, at 10:48 AM, Joe Auty wrote: > Hello, > > I'm running FBSD 5.4, installed the kqemu-mod and qemu, everything > seems to be running fine, except Qemu frequently takes up over 90% > of my CPU. Just pinging the server or pinging from the host OS > outside of my network results in loss of packets. Occasionally my > CPU is so taxed that network requests are stalled or cut out. > > I've given 256 MB RAM to my guest OS (Ubuntu). I believe my > computer has 384 MB of RAM. I've tried running Ubuntu with the > default 128 MB RAM too. > > I can't help thinking that there is something simply wrong here. > Qemu takes 25% of my CPU just to sit idle. I was under the > impression that it is supposed to perform much better? As it > stands, VMWare 3.x on the same machine runs far better. Qemu is > currently pretty much unusable for me. > > Is this pretty much just the way things are? Should I try running > FBSD 6.1 and running Xen? If so, any guides explaining how to do > that? Any general advice? I'd like to move away from VMWare since > it seems flakey, instable, and has a questionable future on FBSD. > > > Thanks! > > > > > > > ----------- > Joe Auty > NetMusician: web publishing software for musicians > http://www.netmusician.org > joe@netmusician.org > > > _______________________________________________ > freebsd-emulation@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-emulation > To unsubscribe, send any mail to "freebsd-emulation- > unsubscribe@freebsd.org"