From owner-freebsd-multimedia Mon Nov 4 11:12:15 1996 Return-Path: owner-multimedia Received: (from root@localhost) by freefall.freebsd.org (8.7.5/8.7.3) id LAA15154 for multimedia-outgoing; Mon, 4 Nov 1996 11:12:15 -0800 (PST) Received: from rah.star-gate.com (rah.star-gate.com [204.188.121.18]) by freefall.freebsd.org (8.7.5/8.7.3) with ESMTP id LAA15143; Mon, 4 Nov 1996 11:12:11 -0800 (PST) Received: from rah.star-gate.com (localhost.star-gate.com [127.0.0.1]) by rah.star-gate.com (8.7.6/8.7.3) with ESMTP id LAA02830; Mon, 4 Nov 1996 11:09:23 -0800 (PST) Message-Id: <199611041909.LAA02830@rah.star-gate.com> X-Mailer: exmh version 1.6.9 8/22/96 To: se@ZPR.Uni-Koeln.DE (Stefan Esser) cc: jkh@time.cdrom.com (Jordan K. Hubbard), tinguely@plains.nodak.edu (Mark Tinguely), hackers@FreeBSD.org, multimedia@FreeBSD.org Subject: Re: Matrox Meteor and PPRO problem found In-reply-to: Your message of "Mon, 04 Nov 1996 19:20:29 +0100." <199611041821.TAA01810@x14.mi.uni-koeln.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Mon, 04 Nov 1996 11:09:23 -0800 From: Amancio Hasty Sender: owner-multimedia@FreeBSD.org X-Loop: FreeBSD.org Precedence: bulk >From The Desk Of Stefan Esser : > Jordan K. Hubbard writes: > > > I could get Neptune based PCI 90 Mhz Pentium system to crash with the met eor > > > if I was capturing and viewing on the same machine. > > > > I did notice one thing today, though I don't know if it's at all > > relevant: > > > > ahc0 rev 0 int a irq 9 on pci0:11 > > meteor0 rev 0 int a irq 9 on pci0:19:0 > > > > Notice how they're both on the same IRQ? I can capture without saving > > all day, turn on grab-and-save, however, and I trigger the hang > > problem Amancio's been talking about. Interesting coincidence. Does > > our PCI code currently handle IRQ sharing with 100% success? > > Well, I'm quite convinced it does ... Curious , how is the IRQs sharing currently being implemented? Or how does the PCI code know which adapter generated the interrupt? Tnks, Amancio