From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1LPHr3-0002yZ-Ex for qemu-devel@nongnu.org; Tue, 20 Jan 2009 09:45:25 -0500 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1LPHqz-0002sK-Qz for qemu-devel@nongnu.org; Tue, 20 Jan 2009 09:45:24 -0500 Received: from [199.232.76.173] (port=47611 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1LPHqz-0002ry-F8 for qemu-devel@nongnu.org; Tue, 20 Jan 2009 09:45:21 -0500 Received: from caffeine.csclub.uwaterloo.ca ([129.97.134.17]:38410) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1LPHqy-0000ds-OB for qemu-devel@nongnu.org; Tue, 20 Jan 2009 09:45:21 -0500 Date: Tue, 20 Jan 2009 09:45:18 -0500 Message-ID: <20090120144518.GW29175@csclub.uwaterloo.ca> References: <20090119162633.GO29175@csclub.uwaterloo.ca> <20090119194221.GS29175@csclub.uwaterloo.ca> <20090120005351.GV29175@csclub.uwaterloo.ca> <200901200133.25029.paul@codesourcery.com> <4975B3F6.6050706@eu.citrix.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4975B3F6.6050706@eu.citrix.com> From: lsorense@csclub.uwaterloo.ca (Lennart Sorensen) Subject: [Qemu-devel] Re: Extremely slow graphic updates Reply-To: qemu-devel@nongnu.org List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Stefano Stabellini Cc: Paul Brook , qemu-devel@nongnu.org On Tue, Jan 20, 2009 at 11:22:30AM +0000, Stefano Stabellini wrote: > We are not doing anything that dumb (anything that I am aware of :) Could it be that it is trying to use shared video ram even in cases where that is a very bad idea? > What is the quickest way for me to reproduce this problem? > Have you seen this on ppc emulation only? Boot qemu-system-ppc with default options. I use debian lenny (2.6.26 kernel). I think it runs 800x600 resolution by default. > I gather that the guest is in text mode. Have you seen this in graphical > mode too? If yes, what was the resolution of the guest? I have only run in graphics mode. I don't have my image setup for text mode. However VNC mode is NOT slow. Of course VNC would not be using shared memory remotely. > What is the resolution of your host? What X11 extensions are you using? > Do you set SDL_VIDEODRIVER anywhere? Nope. My xorg.conf doesn't list any extensions, so whatever the defaults are. I can check. > Sorry for the list of questions, I am just trying to better understand > the issue. Worth asking. -- Len Sorensen