Re: enabling aspm on ati radeon

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On 5/17/2013 1:31 PM, Bjorn Helgaas wrote:
> You also have this bridge where lspci says "ASPM unknown":
> 
> 00:01.0 bridge to [bus 01] ASPM unknown
> 
> Just out of curiosity, can you collect the output of "lspci -xxxs 
> 00:01.0"?  There are only two bits in the Link Capabilities ASPM 
> support field, and all four encodings are defined, so I'm curious 
> about why lspci says "unknown".

I'll get that as soon as I get home, but why would the ASPM status of
the root complex have anything to do with the rest of the devices?
Enabling ASPM on one link doesn't require it to be enabled on all
upstream links does it?


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