[LAU] How to move devices to specific IRQ's ?

Susanne Schneider susemuse27 at gmx.de
Sat Jun 14 07:47:26 EDT 2008

15:00.1 FireWire (IEEE 1394): Ricoh Co Ltd R5C832 IEEE 1394 Controller 
(rev 04) (prog-if 10 [OHCI])
        Subsystem: Lenovo Unknown device 20c7
        Flags: bus master, medium devsel, latency 64, IRQ 22
        Memory at f8101000 (32-bit, non-prefetchable) [size=2K]
        Capabilities: [dc] Power Management version 2

I almost knew it before checking - shit...
thanks for your valuable hint!

Pieter Palmers schrieb:
> Susanne Schneider wrote:
>> hi,
>> I'm facing similar crappy IRQ settings on my Thinkpad R61 here as 
>> Svend-Erik described - my cardbus shares it's interrupt with the 
>> graphicscard.
>> I spent 2 nights now to play around with the (only available) 
>> settings in bios, which was to adjust pcibusses from preadjusted "11" 
>> to anything else and finally "automatic" - without any success. I 
>> tried to switch off APIC, ACPI, I tried pci=assign_busses - nothing 
>> changed.
>> I wonder if it would make sense then to spend the money for a device 
>> like E-MU 1616 or even RME Multiface...
>> Things seem to be a little better on firewire - the 1394 only shares 
>> it's interrupt with a unused usbbus and the also unused onbordsound - 
>> would it be probably the better way to go for a, lets say, Presonus 
>> Firepod?
>> I'm sorry to further stress that exasperating hardware item but it's 
>> really a pain to find a solution - there is a huge amount of info out 
>> there in the web - but finding something which really leads one 
>> further can be a punishment.
>> thanks a lot for any hints
> Since you have a thinkpad, you should first check if it has a decent 
> built-in 1394 controller. Some thinkpads use a Ricoh controller that 
> is buggy and can't be used for audio.
> "lspci | grep 1394" will give the information on that.
> Greets,
> Pieter

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