All this recent microkernel talk has finally hit another mailing list i'm on ([EMAIL PROTECTED]) regarding a possible "L4BSD" (https:// lists.ira.uni-karlsruhe.de/pipermail/l4ka/2006-May/001603.html) and this has brought up an interesting question for me.

L4Linux exists, but it seems to be more of a means for testing out and developing the L4 microkernel, but would there be any practical reason to sandbox the FreeBSD kernel and force it to run as a user- land service on top of the L4::Pistachio kernel? (for example)

Would this be an effective place to start in terms of pulling off an in-between kernel much like Darwin's Xnu kernel?

I can forsee plausible long term goals that would make such a project worthwhile, such as eventually moving device drivers out of the kernel (FreeBSD's that is) along with other bits and pieces, and eventually morphing it into some middle-ground best-of-both worlds kernel, but if you remove the eventually move into a Xnu-like setup, is there a definite benefit that can be reaped from such a project?

Does such a project contain any merit besides the obvious education aspect of it? (And the incessant need to kill time :))

Cheers,

-R. Tyler Ballance


p.s. I'm not a kernel hacker, but I do aspire to be one eventually, just so I can stop arguing about the color of the bikeshed :)

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