[CentOS] Intel DH67BL + CentOS 5.5 IRQ #177 nobody cared

Tue Jan 18 14:38:47 UTC 2011
Giles Coochey <giles at coochey.net>

On 18/01/2011 15:34, Drew Weaver wrote:
> Ah, it is a PCI card and there is only one PCI slot..
>
> -Drew
>
>
> -----Original Message-----
> From: centos-bounces at centos.org [mailto:centos-bounces at centos.org] On Behalf Of Giles Coochey
> Sent: Tuesday, January 18, 2011 9:24 AM
> To: centos at centos.org
> Subject: Re: [CentOS] Intel DH67BL + CentOS 5.5 IRQ #177 nobody cared
>
> On 18/01/2011 15:22, Drew Weaver wrote:
>> Hello,
>>
>> We have built a couple of CentOS 5.5 systems on the Intel DH67BL
>> (Sandy Bridge) motherboard and overall they work pretty well.
>>
>> I'm having one problem which keeps cropping up and that is an error
>> message that says:
>>
>> IRQ 177 nobody cared (try booting with the irqpoll option)
>>
>> report bad irq, references CPU idle
>>
>> then it references usb_hcd_irq and e1000_intr
>>
>> then it disables the add-on PCI E1000 card and disconnects itself from
>> the network.
>>
>> I'm assuming what is happening here is the USB controller and the
>> add-on E1000 controller we put in are having an old school IRQ
>> conflict, the question is why and how can I avoid it?
>>
>> I have tried disabling all of the extra stuff in the BIOS that I
>> could, and this still happens fairly frequently.
>>
>> Any advice would be great.
>>
>>
> Have you tried putting one of the cards in a different slot?
>
Does the BIOS allow you to manually set a IRQ to the PCI line?

-- 
Best Regards,

Giles Coochey
NetSecSpec Ltd
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