On Sat, 2012-12-22 at 14:42 +0100, Juliusz Chroboczek wrote: > Package: linux-image-3.6-trunk-amd64 > Version: 3.6-1~experimental.1 > > Hi, > > On Dell Latitude E6220 (Sandy Bridge i5-2520M, integrated graphics), > power saving stops working after some time. The symptoms are that idle > power consumption goes from 7W to 28W (!), and Powertop reports that PC7 > is never entered. A reliable way to reproduce it is to suspend the > laptop, but it sometimes happens spontaneously. > > This is most possibly identical to > > https://bugs.freedesktop.org/show_bug.cgi?id=54089
Yes, this looks like the same bug. Based on <https://bugs.freedesktop.org/show_bug.cgi?id=54089#c48> I expect that we'll have to wait for a backported bug fix in the 3.7.y stable series. Ben. -- Ben Hutchings One of the nice things about standards is that there are so many of them.
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