Re: [PATCH 4/12] PCI PM: Make it possible to force using INTx for PCIePME signaling

From: Len Brown
Date: Fri Jan 08 2010 - 15:08:47 EST

> > > This scares me a little... seems like we're not restoring some state on
> > > resume that's needed for MSIs to work? Looks fine though.
> >
> > Yeah, that was my concern. We debugged this a little on IRC and didn't
> > get anywhere, though, so probably need to find someone who knows more
> > about MSIs...
> I'd rather say someone who knows more about ICH7. :-)
> MSIs work just fine after resume for the other devices in the same box,
> so I'd say it's a chipset issue.

Hmmm, do all the ICH7 boxes behave the same way?

Yesterday MSI announced a netbook running Suse/Moblin,
so there is hope for more technical work w/ MSI to support Linux...

It is a bit worrysome to go out of the gate to need a DMI blacklist
for relatively new hardware.

Len Brown, Intel Open Source Technology Center

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