*** This bug is a duplicate of bug 818830 ***
https://bugs.launchpad.net/bugs/818830
Unfortunately the i915 RC6 patch was dropped with commit
371de6e4e0042adf4f9b54c414154f57414ddd37 because the RC6 fix still seems
to make some systems freeze and as yet we've not got a reliable list of
hardware that fails with rc6. The current recommended solution is to
enable rc6 using i915.i915_enable_rc6=1 for hardware that doesn't lock
up.
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https://bugs.launchpad.net/bugs/913886
Title:
Power consumption regression (12.04)
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