From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S267951AbUI1PzP (ORCPT ); Tue, 28 Sep 2004 11:55:15 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S267943AbUI1PzO (ORCPT ); Tue, 28 Sep 2004 11:55:14 -0400 Received: from poros.telenet-ops.be ([195.130.132.44]:30148 "EHLO poros.telenet-ops.be") by vger.kernel.org with ESMTP id S267958AbUI1PzF (ORCPT ); Tue, 28 Sep 2004 11:55:05 -0400 From: Jan De Luyck To: Takashi Iwai Subject: Re: [2.6.9-rc2] ALSA nm256 driver causes system lockup Date: Tue, 28 Sep 2004 17:55:14 +0200 User-Agent: KMail/1.7 Cc: linux-kernel@vger.kernel.org References: <200409281447.17537.lkml@kcore.org> In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200409281755.14844.lkml@kcore.org> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Tuesday 28 September 2004 17:48, Takashi Iwai wrote: > At Tue, 28 Sep 2004 14:47:17 +0200, > > Jan De Luyck wrote: > > Hello list, > > > > I'm trying to configure a laptop (Dell Latitude CXs) with 2.6.9-rc2. All > > runs well, except the ALSA nm256 driver for the Neomagic Audio chip. > > Loading this driver results in an immediate and complete system > > lockup.... > > > > I've tried appending "vaio_hack=1" on the kernel command line, but that > > didn't really do anything. > > > > ALSA is compiled as modules. > > > > Any pointers? > > Try to load snd-nm256 driver before X. The chip uses the video RAM > for the sound buffer. It seems that X clears all video RAM that > confuses the sound driver. I.e. if you already started X, there is no > way back :) Yups, so I read in the documentation accompanying the kernel. It's being loaded by hotplug during bootup, but even at that early stage it locks up completely. Jan -- BOFH excuse #259: Someone's tie is caught in the printer, and if anything else gets printed, he'll be in it too.