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Kernel Log - Coming in 3.6 (part 4): Drivers

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Linux

The kernel developers have merged a range of additions and bug fixes into Linux 3.6 aimed at improving support for Apple MacBook laptops released in July (such as the MacBook Pro Retina). These include one change which fixes a known boot problem. There have also been changes to the graphics drivers to initialise the graphics hardware on the latest MacBooks correctly. There are also new functions which are supposed to make it possible to turn the second graphics chip on newer Macs on and off with the platform driver apple-gmux (1, 2). Tests by The H's associates at c't Magazine in Germany using Linux 3.6-rc3 on a MacBook Pro with Retina display found, however, that enabling the GeForce graphics chip did not work and that the graphics hardware was not correctly initialised on booting. In contrast, Linux 3.5 did start with the help of a few tricks. Not all of the additions required for the new MacBooks have yet found their way into Linux. A patch for supporting the Bluetooth chip will not be merged into the kernel before Linux 3.7.

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