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SubjectRe: 2.6.21rc suspend to ram regression on Lenovo X60
Hi!

> > Seeing a couple of MSI changes in there, on a hunch I booted latest tree with
> > pci=nomsi, and it resumed again.
> >
> > Any ideas how to further debug this?
> > I'll try backing out individual changes from that merge tomorrow.
>
> Thanks.
>
> Of those msi patches you have identified I don't see anything really
> obvious. And you actually marked them as good in your bisect so
> I don't expect it is core problem.
>
> We do have a known e1000 regression, with msi and suspend/resume.
> So it is possible the nomsi avoided a driver problem. Especially
> as we have a number of driver changes on the on Linus's side of
> that merge.
>
> I also know we have some known issues with pci_save_state and
> pci_restore_state that require them to be paired for correct
> operation. For suspend and resume that is not generally a problem.
>
> I have fixes for the pci_save_state and pci_restore_state in the -mm
> and gregkh tree's. Since they also happen to fix the e1000 driver as
> a side effect they are worth looking at, at least if you have an
> e1000.
>
> I don't have a clue which hardware the x60 has so I don't know which
> drivers it would be using.

x60 indeed has e1000.

--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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