Date: Mon, 4 Nov 1996 19:20:29 +0100 From: se@zpr.uni-koeln.de (Stefan Esser) To: jkh@time.cdrom.com (Jordan K. Hubbard) Cc: tinguely@plains.nodak.edu (Mark Tinguely), hackers@freebsd.org, multimedia@freebsd.org Subject: Re: Matrox Meteor and PPRO problem found Message-ID: <199611041821.TAA01810@x14.mi.uni-koeln.de> In-Reply-To: <3229.847130054@time.cdrom.com>; from Jordan K. Hubbard on Nov 4, 1996 09:54:14 -0800 References: <3229.847130054@time.cdrom.com>
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Jordan K. Hubbard writes: > > I could get Neptune based PCI 90 Mhz Pentium system to crash with the meteor > > 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 <Adaptec 2940 Ultra SCSI host adapter> rev 0 int a irq 9 on pci0:11 > meteor0 <Philips SAA 7116> 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 ... Regards, STefan
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