From owner-freebsd-multimedia@FreeBSD.ORG Mon Feb 27 20:46:17 2006 Return-Path: X-Original-To: multimedia@FreeBSD.org Delivered-To: freebsd-multimedia@FreeBSD.ORG Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 252B516A420; Mon, 27 Feb 2006 20:46:17 +0000 (GMT) (envelope-from scottl@samsco.org) Received: from pooker.samsco.org (pooker.samsco.org [168.103.85.57]) by mx1.FreeBSD.org (Postfix) with ESMTP id 9DC2A43D46; Mon, 27 Feb 2006 20:46:14 +0000 (GMT) (envelope-from scottl@samsco.org) Received: from [10.10.3.185] ([69.15.205.254]) (authenticated bits=0) by pooker.samsco.org (8.13.4/8.13.4) with ESMTP id k1RKjwnG043341; Mon, 27 Feb 2006 13:45:59 -0700 (MST) (envelope-from scottl@samsco.org) Message-ID: <44036500.4090802@samsco.org> Date: Mon, 27 Feb 2006 13:45:52 -0700 From: Scott Long User-Agent: Mozilla/5.0 (X11; U; FreeBSD i386; en-US; rv:1.7.12) Gecko/20060206 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Ariff Abdullah References: <20060227105017.77c18b20.ariff@FreeBSD.org> <200602271251.32890.mi+mx@aldan.algebra.com> <44034054.3090104@samsco.org> <200602271321.33055.mi+mx@aldan.algebra.com> <20060228025154.01db3dff.ariff@FreeBSD.org> <44035532.1060408@samsco.org> <20060228043735.33bddf5d.ariff@FreeBSD.org> In-Reply-To: <20060228043735.33bddf5d.ariff@FreeBSD.org> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=0.0 required=3.8 tests=none autolearn=failed version=3.1.0 X-Spam-Checker-Version: SpamAssassin 3.1.0 (2005-09-13) on pooker.samsco.org Cc: mi+mx@aldan.algebra.com, re@FreeBSD.org, multimedia@FreeBSD.org Subject: Re: today's 6.1 would not boot here X-BeenThere: freebsd-multimedia@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Multimedia discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 27 Feb 2006 20:46:17 -0000 Ariff Abdullah wrote: > On Mon, 27 Feb 2006 12:38:26 -0700 > Scott Long wrote: > >>Is this a problem with calibrating the sample rate on the chip? >>There was a problem with snd_ich several years ago where the >>calibration would fail or be unpredictable during boot. I fixed it >>my moving the calibration code to a separate step that gets run via >>the config_intrhook API. That made it work reliably during boot >>and when loaded after boot. Is this new problem somehow related to >>this? Since I was the one who fixed it in the past, I'd be happy to >>help now. >> > > It seems related. From my naked eyes, I can sense that the interrupt > was trigered during/before sampling rate calibration, and since the > calibration expect to not trigger any interrupt, this will cause > unexpected behaviour especially for this MPSAFEed driver *and* during > boot. Besides, the pcm construction also done before the calibration, > unlike snd_atiixp where the hook is use to bring everything alive > after the necessary step is finished. > > > I'll come up with something shortly. > > > -- > Ariff Abdullah > FreeBSD Maybe move the bus_setup_intr() call to after the calibration? If the driver doesn't need interrupts until after calibration, I think that this would cleanly solve the problem. Scott