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Message-ID: <440C81D7.9070608@cern.ch>
Date: Mon, 06 Mar 2006 19:39:19 +0100
From: Jiri Tyr <jiri.tyr@cern.ch>
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To: Duncan Sands <duncan.sands@math.u-psud.fr>
CC: linux-kernel@vger.kernel.org, mchehab@brturbo.com.br,
       video4linux-list@redhat.com, Michel Bardiaux <mbardiaux@mediaxim.be>
Subject: Re: PROBLEM: four bttv tuners in one PC crashed
References: <440C5672.7000009@cern.ch> <200603061656.18846.duncan.sands@math.u-psud.fr>
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Michel Bardiaux wrote:
 > I was never able to make 4 bttv work together. There is every
 > probability of interrupt conflicts (but you didnt post proc/interrupts
 > and its hard reading lspci), and I seriously doubt the bus would let one
 > grab 4 sources full-size full-rate without losing frames and interrupts
 > here and there.

Here is my /proc/interrupts:

     CPU0
 0:  9332  IO-APIC-edge timer
 1:   144  IO-APIC-edge i8042
 2:     0        XT-PIC cascade
12:    93  IO-APIC-edge i8042
18:  9332 IO-APIC-level bttv2
19:  9332 IO-APIC-level libata, bttv3
21:  9332 IO-APIC-level bttv0
22:  9332 IO-APIC-level bttv1
NMI:    0
LOC: 9294
ERR:    0
MIS:    0

I have removed all unnecessary things from kernel. Libata I need for
SATA disk. Do you think that is some possibility how to make this four
bttv tuners working?

Jiri

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