Re: /sys/module/pcie_aspm/parameters/policy not writable?

From: Pavel Machek
Date: Thu Aug 01 2013 - 16:00:19 EST


> > 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.
> Do you have any interest in trying a newer BIOS to see if it's fixed
> there? If not, I understand; BIOS updates are a hassle at best.
> You're running BIOS 2.14, and it looks like the current BIOS for an
> X60 1709 7HU is 2.19 (from

I'm lost at the lenovo pages :-(. And frankly I'd prefer not to touch
the BIOS.

> Carolyn's patch will likely work, at least most of the time, but I
> think there's a small possibility that it could cause a conflict
> between the BIOS and the OS over ASPM control, so I'm not 100% in
> support of that approach. A conflict may not happen on your
> machine,

Can we base it on DMI whitelist?
(cesky, pictures)
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