This week at LWN: PCIe, power management, and problematic BIOSes

Posted by Scott_Ruecker on Jul 6, 2011 11:48 PM EDT
LWN.net; By Jonathan Corbet
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Back in April, Phoronix announced with some fanfare that the 2.6.38 kernel - and those following - had a "major" power management regression which significantly reduced battery life on some systems. This problem has generated a fair amount of discussion, including this Launchpad thread, but little in the way of solutions. Phoronix now claims to have located the change that caused the problem and has provided a workaround which will make things better for some users. But a true fix may be a while in coming.

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