Messages in this thread | | | Date | Tue, 9 Jul 2013 11:14:07 +0200 | From | Pavel Machek <> | Subject | Re: /sys/module/pcie_aspm/parameters/policy not writable? |
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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 -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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