Re: SATA SB600 works in 2.6.20.4 but not in 2.6.21-rc5 with irqpoll parameter

["Matí­as Alejandro Torres" <torresmat@gmail.com>]

Tejun Heo escribió:
> Matí­as Alejandro Torres wrote:
>   
>> CORRECTION:
>>
>> I tried with the irqpoll parameter (used in the right way) and the sata
>> disk is detected but lots of "unexpected IRQ trap at vector a0" are
>> displayed. When the pci=nomsi flag is set, no warning/error is shown and
>> the SATA disk is detected properly.
>>
>>
>> This is for kernel version 2.6.17, I must be falling asleep.
>>     
>
> Matias, are you still there?  If so, can you please test the attached
> patch and see whether it fixes your problem - ie. boots okay without
> 'pci=nomsi'?
>
>   
> ------------------------------------------------------------------------
>
> Index: tree0/drivers/pci/quirks.c
> ===================================================================
> --- tree0.orig/drivers/pci/quirks.c
> +++ tree0/drivers/pci/quirks.c
> @@ -1761,6 +1761,7 @@ static void __devinit quirk_disable_msi(
>  	}
>  }
>  DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_8131_BRIDGE, quirk_disable_msi);
> +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x5a3f, quirk_disable_msi); /* RS480 PCI bridge */
>  
>  /* Go through the list of Hypertransport capabilities and
>   * return 1 if a HT MSI capability is found and enabled */
>   
Okey, I'll try the patch and let you know how it goes. I'm sorry for not 
having test it but I'm been studing a lot these last few days. Tonight 
I'll test it. Thanks!