From owner-freebsd-current@FreeBSD.ORG Wed Mar 26 21:43:37 2003 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 1C81737B404; Wed, 26 Mar 2003 21:43:37 -0800 (PST) Received: from magic.adaptec.com (magic-mail.adaptec.com [208.236.45.100]) by mx1.FreeBSD.org (Postfix) with ESMTP id 6264043F93; Wed, 26 Mar 2003 21:43:36 -0800 (PST) (envelope-from scott_long@btc.adaptec.com) Received: from redfish.adaptec.com (redfish.adaptec.com [162.62.50.11]) by magic.adaptec.com (8.11.6/8.11.6) with ESMTP id h2R5gdl00568; Wed, 26 Mar 2003 21:42:39 -0800 Received: from btc.btc.adaptec.com (btc.btc.adaptec.com [10.100.0.52]) by redfish.adaptec.com (8.8.8+Sun/8.8.8) with ESMTP id VAA05569; Wed, 26 Mar 2003 21:43:22 -0800 (PST) Received: from btc.adaptec.com (hollin [10.100.253.56]) by btc.btc.adaptec.com (8.8.8+Sun/8.8.8) with ESMTP id WAA08930; Wed, 26 Mar 2003 22:43:16 -0700 (MST) Message-ID: <3E828F75.1000400@btc.adaptec.com> Date: Wed, 26 Mar 2003 22:43:17 -0700 From: Scott Long User-Agent: Mozilla/5.0 (X11; U; FreeBSD i386; en-US; rv:1.2.1) Gecko/20030206 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Orion Hodson References: <200303270128.h2R1SsAT090245@puma.icir.org> In-Reply-To: <200303270128.h2R1SsAT090245@puma.icir.org> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Status: No, hits=-31.9 required=5.0 tests=EMAIL_ATTRIBUTION,IN_REP_TO,QUOTED_EMAIL_TEXT,REFERENCES, REPLY_WITH_QUOTES,USER_AGENT_MOZILLA_UA autolearn=ham version=2.50 X-Spam-Level: X-Spam-Checker-Version: SpamAssassin 2.50 (1.173-2003-02-20-exp) cc: current@freebsd.org Subject: Re: AC97 sound problems with current X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 27 Mar 2003 05:43:38 -0000 Orion Hodson wrote: > Kevin Oberman writes: > | > | After upgrading my laptop from STABLE to CURRENT on 3/14 I have been > | having problems with GnomeMeeting. Often the sound is badly broken with > | 'spurts' of sound with silent gaps in between. This was never the case > | with STABLE. Other times it's fine. > | > | When I looked at my dmesg output I noticed some changes between STABLE > | and CURRENT for the pcm0 device. Under STABLE I only got two messages: > | pcm0: port 0x18c0-0x18ff,0x1c00-0x1cff irq 11 at > device 31.5 on pci0 > | pcm0: > | Under CURRENT I get a third: > | > | pcm0: measured ac97 link rate at 512000000 Hz > > There is a calibration step in the driver to determine the clock rate of the > AC97 link. What you are seeing is the calibration step failing and setting a > bogus ac97 link rate. I took a cursory look a couple of weeks back and it > smelt like the timecounter initialization point changed, but haven't gotten > around to looking closer and fixing the driver. If this were true then I'd be very concerned. Let me know what you find. For what it's worth, my ICH3 setup is still working fine when loaded at boot, though my kernel is about 2 weeks old. Scott