[Bug 205458] 11.0-CURRENT/10-STABLE powerpc64: a PowerMac G5 specific sys/powerpc/ofw/ofw_machdep.c change for reliable PowerMac G5 booting (with lots of RAM)

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Tue Sep 13 06:31:06 UTC 2016


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=205458

--- Comment #5 from Mark Millard <markmi at dsl-only.net> ---
Nathan Whitehorn has put out a kernel patch that he is asking for help with
testing on PowerMac/iMac G5 variations. See:

https://lists.freebsd.org/pipermail/freebsd-ppc/2016-September/008413.html

The patch is not just using __powerpc64__ instead of POWERMAC_G5_SPECIFIC_BUILD
in my presentation of my hack.

Nathan has already tested a PowerMac11,2.

If anyone reading this has any other type(s) of Apple G5's and is willing/able
it would be good to get in some testing before the change is made to the
kernel.

I expect that it does not mater much which version/variation of 10.x, 11.0, or
12 is used if the original boot problems can sometimes be observed before the
change. Although I'm not sure of the patch automatically applies nicely to all
possible vintages of those.


As for me. . .

It will be a few weeks before I'll again have access in order to test a
PowerMac7,2 (or to independently repeat PowerMac11,2 testing). I'll not have
access to other Apple G5's. So my range of testing will be rather limited and
will not be soon.

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