From owner-freebsd-multimedia Thu Jan 30 14:17:54 1997 Return-Path: Received: (from root@localhost) by freefall.freebsd.org (8.8.5/8.8.5) id OAA05336 for multimedia-outgoing; Thu, 30 Jan 1997 14:17:54 -0800 (PST) Received: from gateway.cybernet.com (gateway.cybernet.com [192.245.33.1]) by freefall.freebsd.org (8.8.5/8.8.5) with ESMTP id OAA05331 for ; Thu, 30 Jan 1997 14:17:51 -0800 (PST) Received: from spiffy.cybernet.com (spiffy.cybernet.com [192.245.33.55]) by gateway.cybernet.com (8.7.6/8.7.3) with SMTP id RAA20767; Thu, 30 Jan 1997 17:28:00 -0500 (EST) Message-ID: X-Mailer: XFMail 1.1-alpha [p0] on FreeBSD Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 8bit MIME-Version: 1.0 In-Reply-To: Date: Thu, 30 Jan 1997 17:11:39 -0500 (EST) Organization: Cybernet Systems Corporation From: Mark Taylor To: Doug White Subject: Re: SoundBlaster Pro 2 card stops for video output Cc: multimedia@freebsd.org, bugs@xinside.com Sender: owner-multimedia@freebsd.org X-Loop: FreeBSD.org Precedence: bulk You were right- the Accelerated-X 2.1 server was screwing it all up! My audio IRQs where never being processed- the Accelerated X server was starving the system! I really like the Accelerated-X software. When they fix it, I may go back. For now, I've got to use the XFree86 stuff. (I appreciate their efforts as well!) Thanks for your support. :) On 04:02:53 Doug White wrote: >On Wed, 29 Jan 1997, Mark Taylor wrote: > >> >> The sound is fine unless I have another window scrolling text (as in >> >> "while [ 1 ]; do ps -ax; done"). At that time, the sound seems to >> >> stop playing (the sound process starves?). >> > >> >I can't reproduce this on my P100, GUS PnP, and ATI Mach64 video using >> >your command (under X -- the ps -ax is barely doing anything!) >> > >> >What's your video card? >> >> A Diamond Stealth 64 w/ 2 Mb DRAM, running Accelerated-X 2.1. > >Well, I'm on XFree86, so it may be accelX related... > >> >DMA 1 may be used by something else; also, the shared DMA may be confusing >> >it. (Wait -- a Pro isn't a 16 bit device, it only has one DMA channel!) >> >> That's right- it's supposed to be an 8 bit card, but it has a the >> extension for the 16 bit ISA bus. Hmmm... >> >> > >> >> I have DMA channel 1 and IRQ channels 5 and 7 set for "Legacy ISA" in the BIOS >> >> config (yes, there are four PCI devices in there: de0, video, PCI IDE, >> >> and USB port), so nothing should be stealing the IRQ or DMA channel. >> > >> >How about other ISA devices? >> >> There are no other ISA cards in the machine! > >Everything else checks out, or so it appears. > >The only thing I can think of is that accelX is stickier about video >output that XFree is. > >Doug White | University of Oregon >Internet: dwhite@resnet.uoregon.edu | Residence Networking Assistant >http://gladstone.uoregon.edu/~dwhite | Computer Science Major -------------------------------------------------------------------- Mark J. Taylor Network R&D Manager Cybernet Systems mtaylor@cybernet.com 727 Airport Blvd. PHONE (313) 668-2567 Ann Arbor, MI 48108 FAX (313) 668-8780 --------------------------------------------------------------------