Request for testing an alternate branch

[Justin Hibbits]

On Wed, Dec 4, 2013 at 10:19 PM, Justin Hibbits <jhibbits at freebsd.org> wrote:
> I've been working on the projects/pmac_pmu branch for some time now to
> add suspend/resume as well as CPU speed change for certain PowerPC
> machines, about a year since I created the branch, and now it's stable
> enough that I want to merge it into HEAD, hence this request. However,
> it does touch several drivers, turning them into "early drivers", such
> that they can be initialized, and suspended and resumed at a different
> time.  Saying that, I do need testing from other architectures, to make
> sure I haven't broken anything.
>
> The technical details:
>
> To get proper ordering, I've extended the bus_generic_suspend() and
> bus_generic_resume() to do multiple passes.  Devices which cannot be
> enabled or disabled at the current pass level would return an EAGAIN.
> This could possibly cause problems, since it's an addition to an
> existing API rather than a new API to run along side it, so it needs a
> great deal of testing.  It works fine on PowerPC, but I don't have any
> i386/amd64 or sparc64 hardware to test it on, so would like others who
> do to test it.  I don't thin
>
> Also, any comments are of course welcome.  Technical concerns are
> obviously welcome, and I will try to address everything.
>
> Thanks,
>
> Justin

Thanks to hrs@, images are now available for the pmac_pmu project on
allbsd for i386, amd64, sparc64, and ia64:
https://pub.allbsd.org/FreeBSD-snapshots/ .

- Justin