Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750884AbWAOUv2 (ORCPT ); Sun, 15 Jan 2006 15:51:28 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750882AbWAOUv2 (ORCPT ); Sun, 15 Jan 2006 15:51:28 -0500 Received: from linux01.gwdg.de ([134.76.13.21]:15765 "EHLO linux01.gwdg.de") by vger.kernel.org with ESMTP id S1750808AbWAOUvV (ORCPT ); Sun, 15 Jan 2006 15:51:21 -0500 Date: Sun, 15 Jan 2006 21:51:19 +0100 (MET) From: Jan Engelhardt To: Andi Kleen cc: 7eggert@gmx.de, Dave Jones , linux-kernel@vger.kernel.org Subject: Re: Console debugging wishlist was: Re: oops pauser. In-Reply-To: <200601151813.26688.ak@suse.de> Message-ID: References: <5rvok-5Sr-1@gated-at.bofh.it> <5tagc-6AZ-25@gated-at.bofh.it> <200601151813.26688.ak@suse.de> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 800 Lines: 20 >> > (it is hard to understand that with 128MB+ graphic cards and 512+MB >> > computers the scroll back must be still so short...) >> >> The VGA scrollback buffer is limited by the text area of the video RAM. >> The text area is in the DOS memory at 0xB800 (or 0xB000) and extends >> 32 KB (or in case of MDA, 4 KB). Each character will use 2 Bytes. >> Therefore you can store up to 16,000 characters or 4 pages of text. > >It was a rhetorical question. > And I assumed that scrollback was stored in some regular kmalloc()ed page(s). Jan Engelhardt -- - 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/