linux-kernel - Re: PCI riser cards and PCI irq routing, etc

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Date:	Tue, 20 Feb 2007 05:35:27 +0100
From:	Udo van den Heuvel <udovdh@...all.nl>
To:	linux-kernel@...r.kernel.org
CC:	Krzysztof Halasa <khc@...waw.pl>,
	Lennart Sorensen <lsorense@...lub.uwaterloo.ca>
Subject: Re: PCI riser cards and PCI irq routing, etc

Krzysztof Halasa wrote:
> Udo van den Heuvel <udovdh@...all.nl> writes:
> 
>> At the bottom I added a dmesg output of the kernel after boot.
>> I more or less know that irq 20 for the DVB-S card (saa7146 (1)) is
>> 'working'. I know that irq 16 for saa7146 (0) (DVB-T) is not working for
>> i2c although the card does work perfectly for DVB-T reception (picture,
>> low CPU load, etc) with only reception as the bottleneck.
> 
> BTW: Can you check which device # and IRQ does the card get if plugged
> directly into the PCI slot on board (without the riser)?

BTW: 2.6.18-1.2798.fc6 (Fedora kernel) gave me in dmesg:

Linux video capture interface: v2.00
saa7146: register extension 'budget_av'.
saa7146: found saa7146 @ mem f896a000 (revision 1, irq 145) (0x153b,0x1157).
saa7146 (0): dma buffer size 192512
DVB: registering new adapter (Terratec Cinergy 1200 DVB-T).
adapter failed MAC signature check
encoded MAC from EEPROM was
ff:ff:ff:ff:ff:ff:ff:ff:ff:ff:ff:ff:ff:ff:ff:ff:ff:ff:ff:ff
input: PC Speaker as /class/input/input2
KNC1-0: MAC addr = 00:0a:ac:01:d6:87
DVB: registering frontend 0 (Philips TDA10046H DVB-T)...
budget-av: ci interface initialised.
saa7146: found saa7146 @ mem f89e6000 (revision 1, irq 153) (0x153b,0x1155).
saa7146 (1): dma buffer size 192512
DVB: registering new adapter (TerraTec Cinergy 1200 DVB-S).
adapter failed MAC signature check
encoded MAC from EEPROM was
ff:ff:ff:ff:ff:ff:ff:ff:ff:ff:ff:ff:ff:ff:ff:ff:ff:ff:ff:ff
KNC1-1: MAC addr = 00:0a:ac:12:93:8d
DVB: registering frontend 1 (ST STV0299 DVB-S)...
budget-av: ci interface initialised.

(irq 145 and 153!?)

I think I can do some testing this afternoon.

Kind regards,
Udo


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