Matí­as Alejandro Torres wrote:
> 
>> Well, making it work without pci=nomsi is the whole point here.  I dunno
>> why this simple thing doesn't work.  Can you post the result of 'lspci
>> -nn' so that we can see the numeric ID?
>>   
> I would really like to know the answer to that, but i'm hundred of miles
> away. Attached to this email is the output of  lspci -nn .
> 
> Maybe you have the wrong id of the pci bridge:
> 
> 00:02.0 PCI bridge [0604]: ATI Technologies Inc RS480 PCI-X Root Port
> [1002:5a34]
> 
> +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x5a3f, quirk_disable_msi);
> /* RS480 PCI bridge */

Yeah, apparently.

00:02.0 PCI bridge [0604]: ATI Technologies Inc RS480 PCI-X Root Port
[1002:5a34]

So, there are two broken PCI bridges.  Argh....  Okay, please try the
attached patch.  It includes both 5a34 and 5a3f.

Thanks for your patience.

-- 
tejun