site_archiver@lists.apple.com Delivered-To: darwin-dev@lists.apple.com On Wed, 2006-05-17 at 17:14 +0200, Christian Brunschen wrote:

My personal conjecture/speculation/wishful thinking is that the current Mac OS X 10.4.6 / Darwin 8.6 xnu for x86 source code is not in a state where Apple want to release it, and that they are working on releasing a unified Mac OS X 10.5.0 / Darwin 9.0 xnu for PPC & x86 in its stead. I.e., they managed to get 10.4 working on x86, but it possibly includes some hacks they don't want to show the world; these hacks won't be necessary in the unified 10.5 code. Again, this is my speculation, but I think it is at least similarly plausible as the 'the sky is falling' conjecture from the Macworld opinion post.

Or maybe they'll abandon the Mach/BSD hybrid entirely and move to some other kernel that Apple has developed. One that won't suffer from the same threading problems and other performance issues. And maybe one that will have great documentation and interfaces for device drivers.

From what I've read, since there has never been any xnu source code release for intel, getting drivers working on xnu intel has been a challenge for vendors. It wasn't that great under ppc, but there was source code for other drivers one could look at.

Michael

...

Drew

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