On Wed 2013-07-24 15:19:55, Wyborny, Carolyn wrote:
> > -----Original Message-----
> > From: Bjorn Helgaas [mailto:[email protected]]
> [..}
> >
> > We *could* consider something like this, since its scope is limited.
> > But since the problem also occurs with Windows, it's pretty likely that
> > there's a
> > BIOS update to fix it. I notice on the X60 support page that there are
> > several
> > versions newer than what you're running.
> >
> > Bjorn
>
> I believe that some BIOS don't allow user control on this feature, thus we
> end up unable to disable it from driverspace or from userspace, with the
> method we use today in this scenario.
>
> I have a patch almost ready that attempts to disable using the
> pci_disable_link_state() call but then checks again to see if its still
> enabled and if not, then changes the pci config space on the devices on
> either side of the pcie link. I plan to send it to this list for Pavel's
> testing as soon as I have it finished, at worst end of week.
>
If there's patch, I'll gladly try it :-). Thanks,
Pavel
--
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(cesky, pictures)
http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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