You might want to also try adding pci=routeirq to grub.conf to see if
that fixes it.

Tony

Jon Peatfield wrote:
>> It's an nVidia nForce NIC:
>>
>> nVidia Corporation MCP55 Ethernet (rev a3)
>>
>> At the moment, unloading and reloading the kernel module seems to turn
>> it on. I'll be chasing the issue further, but for now I expect to be
>> able to use /etc/rc.local to implement the workaround.
>>
>> Thanks for your suggestions.
> 
> Now you have networking it might be worth upgrading the kernel in case 
> there is some change/fix in 2.6.18-8.1.6.el5 which helps...
> 
> I assume you were going to do that anyway... :-)
> 
>  -- Jon