From owner-freebsd-mobile Fri Mar 21 5:51:42 2003 Delivered-To: freebsd-mobile@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 7916F37B404 for ; Fri, 21 Mar 2003 05:51:41 -0800 (PST) Received: from warthog.fearless.org (akula.demon.co.uk [62.49.12.108]) by mx1.FreeBSD.org (Postfix) with ESMTP id 1A4B343F3F for ; Fri, 21 Mar 2003 05:51:39 -0800 (PST) (envelope-from doug@fearless.org) Received: from warthog.fearless.org (localhost [127.0.0.1]) by warthog.fearless.org (8.12.6/8.12.6) with ESMTP id h2LDqmi0091932; Fri, 21 Mar 2003 13:52:48 GMT (envelope-from doug@fearless.org) Received: from localhost (doug@localhost) by warthog.fearless.org (8.12.6/8.12.6/Submit) with ESMTP id h2LDql7C091929; Fri, 21 Mar 2003 13:52:48 GMT X-Authentication-Warning: warthog.fearless.org: doug owned process doing -bs Date: Fri, 21 Mar 2003 13:52:47 +0000 (GMT) From: Douglas Hall To: Dragan Mickovic Cc: freebsd-mobile@freebsd.org Subject: Re: sound on Sony VIAO grx670 In-Reply-To: <20030320160538.A71682@verio.net> Message-ID: <20030321134359.Y91703-100000@warthog.fearless.org> References: <20030320160538.A71682@verio.net> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-mobile@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org On Thu, 20 Mar 2003, Dragan Mickovic wrote: > pcm0: port 0x18c0-0x18ff,0x1c00-0x1cff irq 9 at device 31.5 on pci0 > pcm0: > > I found that 0x594d4803 is YMF753. When I try to play a sound I get the > normal delay that everybody is complaining, but I found out that if I > plug a usb mouse and keep the mouse moving sound plays fine. I disabled > USB but still the same problem. I've had the exact same problem with a Sony GRX416 laptop. (trying variations of 4.6, 4.7,4-REL,5.0-STABLE and 5.0-CURRENT). Presumably something needs to be generating interupts to keep the soundchip happy? My knowledge of freebsd kernel internals gets rather fuzzy past doing anything more complicated than tweaking the most noddy of kernel config files, but I'd love to know from someone who knows a bit more about this why this seems to be so difficult to fix. -Douglas -- Cambridge, UK To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-mobile" in the body of the message