From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from [140.186.70.92] (port=39257 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OPW3v-00057w-FW for qemu-devel@nongnu.org; Fri, 18 Jun 2010 03:32:32 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1OPW3u-0007Tx-6R for qemu-devel@nongnu.org; Fri, 18 Jun 2010 03:32:27 -0400 Received: from mx1.redhat.com ([209.132.183.28]:42213) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1OPW3t-0007Ts-UA for qemu-devel@nongnu.org; Fri, 18 Jun 2010 03:32:26 -0400 Message-ID: <4C1B2102.9000104@redhat.com> Date: Fri, 18 Jun 2010 09:32:18 +0200 From: Gerd Hoffmann MIME-Version: 1.0 Subject: Re: [Qemu-devel] Re: [PATCH 5/5] linux fbdev display driver. References: <1276596347-9410-1-git-send-email-kraxel@redhat.com> <1276596347-9410-6-git-send-email-kraxel@redhat.com> <4C18FA58.5080808@citrix.com> <4C19FC5D.9070003@redhat.com> <4C1A3139.5020905@citrix.com> <4C1A4C63.6040907@citrix.com> In-Reply-To: <4C1A4C63.6040907@citrix.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Julian Pidancet Cc: "qemu-devel@nongnu.org" , Stefano Stabellini Hi, > For some reason, the display is extremely slow when using vnc and > fbdev at the same time. Gotcha. Didn't notice, but it probably depends on the hardware. Very likely the reason is that graphic cards usually are optimized for write access and reads might be slow as hell. vnc must read though. Hmm. No easy way out. cheers, Gerd