Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932382AbWEXQcN (ORCPT ); Wed, 24 May 2006 12:32:13 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932388AbWEXQcM (ORCPT ); Wed, 24 May 2006 12:32:12 -0400 Received: from nz-out-0102.google.com ([64.233.162.195]:9663 "EHLO nz-out-0102.google.com") by vger.kernel.org with ESMTP id S932382AbWEXQcM convert rfc822-to-8bit (ORCPT ); Wed, 24 May 2006 12:32:12 -0400 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=XuDlwIhqF0tVLDRwM4vayw0CMJyeSxn7o4bT8KM4ViomzTz8PfLpxXQgaEioxKz4WO/mPavH33lCGEnUTeaYxiD75tI2+mzsQpFaLn+/TAlWN9IV3KiCEhsrdvbbShbvyERhKEikHlf91IA6UjoKE1sMQ3Bg3kyAzqMlhqKP3cI= Message-ID: <9e4733910605240932s61bb124fre3ec217d69956e78@mail.gmail.com> Date: Wed, 24 May 2006 12:32:11 -0400 From: "Jon Smirl" To: "Alexander E. Patrakov" Subject: Re: OpenGL-based framebuffer concepts Cc: "Matheus Izvekov" , "Helge Hafting" , "D. Hazelton" , "Manu Abraham" , "linux cbon" , Valdis.Kletnieks@vt.edu, linux-kernel@vger.kernel.org In-Reply-To: <4474891D.9010205@ums.usu.ru> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7BIT Content-Disposition: inline References: <20060519224056.37429.qmail@web26611.mail.ukl.yahoo.com> <200605230048.14708.dhazelton@enter.net> <9e4733910605231017g146e16dfnd61eb22a72bd3f5f@mail.gmail.com> <6896241F-3389-4B20-9E42-3CCDDBFDD312@mac.com> <44740533.7040702@aitel.hist.no> <447465C6.3090501@ums.usu.ru> <9e4733910605240749r1ce9e9fehcfffb2f2e3aeab60@mail.gmail.com> <44747432.1090906@ums.usu.ru> <305c16960605240915p7961ddbfye90afd3cf7fbc372@mail.gmail.com> <4474891D.9010205@ums.usu.ru> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 952 Lines: 21 On 5/24/06, Alexander E. Patrakov wrote: > The kernel has to save the video memory contents somewhereto restore it after > pressing Enter. This may swap something out. Whoops, swap is on that failed disk. > > Or: lock the memory in advance, to avoid the use of swap. But this is not better > than doing the same thing from a userspace application that shows a pop-up > ballon with the contents of this oops. And it won't be affected by a disk > failure, because it has everything already in memory. Most video hardware (99%) has enough memory to support double buffering. You save it to the other buffer, display the error, and copy it back on enter. -- Jon Smirl jonsmirl@gmail.com - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/