From owner-freebsd-multimedia Thu Jan 6 20:59:25 2000 Delivered-To: freebsd-multimedia@freebsd.org Received: from astralblue.com (adsl-209-76-108-39.dsl.snfc21.pacbell.net [209.76.108.39]) by hub.freebsd.org (Postfix) with ESMTP id 8B64814D5F for ; Thu, 6 Jan 2000 20:59:18 -0800 (PST) (envelope-from ab@astralblue.com) Received: from localhost (ab@localhost) by astralblue.com (8.9.3/8.9.3) with ESMTP id UAA57395; Thu, 6 Jan 2000 20:54:25 -0800 (PST) (envelope-from ab@astralblue.com) Date: Thu, 6 Jan 2000 20:54:25 -0800 (PST) From: "Eugene M. Kim" To: "f.johan.beisser" Cc: freebsd-multimedia@FreeBSD.ORG Subject: Re: problems with mp3 audio and pcm (this thing is HUGE) In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-multimedia@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org Yo, IRQ 5 seems to be shared between the ISA soundcard and a PCI device (uhci0). While this harmless in some cases (i.e. you have been fortunate not to have a problem so far), very obscure problems such as interrupt loss may arise. This can be fixed by changing CMOS setup. I think your BIOS is brain-damaged a little so it preallocates the same IRQ to your soundcard and the USB controller while it shouldn't. Try turning on `PNP OS Installed' and `Reset Configuration Data' in CMOS setup, and if it doesn't solve the problem, try manually setting the PCI IRQs to something other than 5. (If you run out of available IRQs, don't worry, you can have IRQs shared among PCI devices.) Hope this helps, Eugene PS. There is another chance that your machine is an SMP box (I just guessed from the kernel config) and it may have some DMA problem. Try accessing a floppy disk; fdc0 uses ISA DMA too, and if that wedges your machine you're really stuck. Quite a while ago (last winter?) I had the same problem with my cousin's dual P200 box but couldn't solve it at all. -- Eugene M. Kim "Is your music unpopular? Make it popular; make music which people like, or make people who like your music." To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-multimedia" in the body of the message