From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1Is2nS-0000I2-3J for qemu-devel@nongnu.org; Tue, 13 Nov 2007 15:55:46 -0500 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1Is2nQ-0000HM-6h for qemu-devel@nongnu.org; Tue, 13 Nov 2007 15:55:45 -0500 Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Is2nP-0000HE-WE for qemu-devel@nongnu.org; Tue, 13 Nov 2007 15:55:44 -0500 Received: from hobi.com ([130.94.185.247]) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1Is2nP-0005bu-C4 for qemu-devel@nongnu.org; Tue, 13 Nov 2007 15:55:43 -0500 Received: from unknown (HELO ricklap) ([68.23.60.237]) (envelope-sender ) by 130.94.185.247 (qmail-ldap-1.03) with SMTP for ; 13 Nov 2007 20:55:40 -0000 From: Rick Vernam Subject: Re: [Qemu-devel] Re: KQemu require Intel VT or AMD-V processors ? Date: Tue, 13 Nov 2007 14:55:38 -0600 References: <4739F007.50301@mmri.us> <473A0C49.3070209@mmri.us> In-Reply-To: <473A0C49.3070209@mmri.us> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200711131455.39062.rickv@hobi.com> Reply-To: qemu-devel@nongnu.org List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org On Tuesday 13 November 2007 02:42:49 pm admin@mmri.us wrote: > Ok I see what went wrong. > I accidentally had a XEN kernel still running so insmod did not work. > Now it works and the message disappeared. > > But, kqemu is not much faster than qemu. I perceive about 1.5x over a > 1gbit network to a terminal through an x session. > It is much much slower than win4lin, but it is free and > I can live with it under most applications except streaming. > Is there something I could have done wrong? not necessarily wrong, but try qemu with the -kernel-kqemu command line option - ie, qemu -kernel-kqemu -hda WinXP_Home.img > > Server: Dual Opteron 1.6Ghz/16G SUN V20Z > Terminal: Mac Mini 1.6GHz > Connected with 1Gbit network. > > Jan Jezabek wrote: > > admin@mmri.us wrote: > >> Question 1) Does KQemu require Intel VT or AMD-V processors ? > >> > >> Question 2) Qemu runs and XP as guest is working on a Linux FC7 host. > >> > >> I installed kqemu from sources (kqemu-1.3.0pre11.tar.gz) and it > >> configured/mak/make install without errors. > >> > >> However, when I e.g. start a VM, I still get the following error: > >> qemu]# qemu -hda WinXP_Home.img > >> Could not open '/dev/kqemu' - QEMU acceleration layer not activated > >> > >> So it seems that devices were never created. there is also no kqemu > >> daemon or anything I can verify kqemu to be running. > >> It is not in processes either. > >> > >> Maybe I misuunderstand how kqemu works, but usually it should be a > >> daemon if it creates a device '/dev/kqemu' at installation ! > >> > >> Any Ideas where I got the cat by the tail? > > > > KQEMU is a kernel module. You'll need to do > > > > /sbin/modprobe kqemu > > > > (as root) before you start QEMU. Then the warning will go away and > > QEMU will be accelerated. > > > > Regards, > > Jan Jezabek