What's new in Linux 3.3
After slightly more than ten weeks after the release of Linux 3.2, Linus Torvalds has released Linux 3.3. The scope of changes in the new kernel version, earmarked for use in Fedora 16 and Fedora 17 along with other distributions, is still much as it ever is, with some changes more relevant to administrators running large data centres, others more likely to interest users running Linux on a desktop or laptop.
Graphics
The Intel graphics driver in Linux 3.3 has been modified to avoid the deepest sleep state offered by Intel's RC6 GPU power saving feature. As a result, this feature should finally work reliably with the graphics cores used in Intel's current Sandy Bridge generation of processors, where it saves between 3 and 5 watts when idling. Nevertheless, RC6 remains deactivated by default on Sandy Bridge CPUs in Linux 3.3, and needs to be activated manually using the kernel argument i915.i915_enable_rc6=1.
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