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Date:      Mon, 04 Nov 1996 09:54:14 -0800
From:      "Jordan K. Hubbard" <jkh@time.cdrom.com>
To:        Mark Tinguely <tinguely@plains.nodak.edu>
Cc:        hackers@freebsd.org, multimedia@freebsd.org
Subject:   Re: Matrox Meteor and PPRO problem found 
Message-ID:  <3229.847130054@time.cdrom.com>
In-Reply-To: Your message of "Mon, 04 Nov 1996 10:54:47 CST." <199611041654.KAA27670@plains.nodak.edu> 

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> 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?

					Jordan



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