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

[Pavel Machek]

Hi!

> > My thinkpad has rather high ping latencies... and perhaps it is due to
> > PCIE ASPM.
> 
> Why would that be the problem?  The odds that the PCIE bus is the issue
> seems strange to me.

Well, I google a bit. Apparently, the issue is common on x60/t60
machine and was never fixed properly.

And indeed some patches point in that direction, in particular:

https://launchpadlibrarian.net/17463623/e1000e-0.4.1.7.diff

(It is from comment #27 here:

https://bugs.launchpad.net/ubuntu/+source/linux-source-2.6.22/+bug/42572

).

If you have any idea what else it could be...
									Pavel 
-- 
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