From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261568AbVB1J7w (ORCPT ); Mon, 28 Feb 2005 04:59:52 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261573AbVB1J7w (ORCPT ); Mon, 28 Feb 2005 04:59:52 -0500 Received: from hornet.berlios.de ([195.37.77.140]:7583 "EHLO hornet.berlios.de") by vger.kernel.org with ESMTP id S261568AbVB1J7t (ORCPT ); Mon, 28 Feb 2005 04:59:49 -0500 Date: Mon, 28 Feb 2005 10:59:35 +0100 From: mhf@berlios.de To: pavel@suse.cz Cc: linux-kernel@vger.kernel.org, James@superbug.demon.co.uk Subject: Re: [BUG] 2.6.11-rc[234] setfont fails on i810 after resume from ACPI-S3 Message-ID: <4222EB87.nailFAE1RJ6JS@berlios.de> User-Agent: nail 10.5 4/27/03 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sunday 27 February 2005 17:59, Pavel Machek wrote: > Hi! > > > >Well, dumping random stuff to console can produce > > > funny results. I'd call that normal. Try cat > > > /dev/urandom, that should be "enough random". > > > > I am also getting strange effects. I boot into > > 2.6.11-rc4 and the console fonts looks fine. Come back > > a day later and the console font has corrupt > > characters. E.g. Displays a "D" instead of an "L" and > > stuff like that. It is mostly readable, except for a > > few characters. It is only the local console that is > > corrupted. ssh into the box displays correct > > characters, so all I can assume is that the VGA console > > is being programmed with different characters. The bad > > characters also survive a soft reboot( During BIOS boot > > up), until the linux kernel starts booting, and then it > > switches to a good font. > > I have seen something similar on S3 cards with bad video > ram (we had > > >3 of them). If it survives soft reboot... well, that > > looks like > > hardware problem to me. [We may do something bad in > linux, too, but strange effects should not survive > reboot, that's hw bug. I'd suggest memtest on video ram, > but someone would need to write that tool, first]. > > Pavel i810 uses system RAM (which was tested with memtest) In my case, it also does work fine with 2.4.29, thus problem 2.6 specific. Michael