From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S266201AbTGLQta (ORCPT ); Sat, 12 Jul 2003 12:49:30 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S267775AbTGLQta (ORCPT ); Sat, 12 Jul 2003 12:49:30 -0400 Received: from main.gmane.org ([80.91.224.249]:59606 "EHLO main.gmane.org") by vger.kernel.org with ESMTP id S266201AbTGLQt2 (ORCPT ); Sat, 12 Jul 2003 12:49:28 -0400 X-Injected-Via-Gmane: http://gmane.org/ To: linux-kernel@vger.kernel.org From: Jan Rychter Subject: Re: Geode GX1, video acceleration -> crash Date: Sat, 12 Jul 2003 10:04:57 -0700 Message-ID: References: <20030711181025.14633.qmail@web10001.mail.yahoo.com> <3F0F27B6.9B7DAAE2@engard.hu> Mime-Version: 1.0 Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha1; protocol="application/pgp-signature" X-Complaints-To: usenet@main.gmane.org X-Spammers-Please: blackholeme@rychter.com User-Agent: Gnus/5.1003 (Gnus v5.10.3) XEmacs/21.4 (Rational FORTRAN, linux) Cancel-Lock: sha1:0HGJpBG7Gu7pqRmCGWKTp0kRFoM= Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org --=-=-= Content-Transfer-Encoding: quoted-printable >>>>> "Ferenc" =3D=3D Ferenc Engard writes: Ferenc> Keyser Soze wrote: >> > But the real problem is, that I wanted to benchmark the system while > the scrolling continues, and issued a dd if=3D/dev/mem of=3D/dev/null > bs=3D1024 count=3D32768 command. For the second go, the system freezed > like a good refrigerator. No kernel panic, nothing, just freezed. >> >> Try turning off ide dma and see if that helps. You will lose very >> little by turning off udma on this system and I'll bet you end up >> being more stable. Ferenc> I will try it on Monday, as the eval board is in my Ferenc> workplace. What is the connection between ide dma, memory read Ferenc> and the hw video accel? The ide dma setting alters the way Ferenc> /dev/mem is read? :-O [...] It can have interesting things in common, but NS won't tell you about them without NDAs, I'm afraid -- at least that's how it used to be. I've had IDE DMA interfere with video input, for instance. So asking NS is indeed the best answer in this thread. =2D-J. --=-=-= Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.2 (GNU/Linux) iD8DBQA/ED++Lth4/7/QhDoRAlO/AKDDg/+ZSze9/4186hbSwY86vsAoZwCeIjVH Rn5ZRtHQmoiZqBzgsTwMj48= =0dC6 -----END PGP SIGNATURE----- --=-=-=--