[Bug 224841] Power64 regression: Machine does not boot anymore

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=224841

--- Comment #15 from Mark Millard <markmi at dsl-only.net> ---
(In reply to Gustavo Romero from comment #11)

I do not know what the "only one hardware thread"
implications would be.

When it is hung-up, can you get to the db> prompt
to try commands such as:

print *uma_kmem_limit
print *uma_kmem_total
print *uma_reclaim_needed
show vmem *kernel_arena
show page
show pageq
show allpcpu
ps
acttrace
show allchains

It could give appropriate folks an idea what is
going on at the time. (There may be other, better
or additional alternatives to what I list.)

The first 4 of that list of commands are intended
as a cross check on if the LONG_MAX part of -r326347
might not be sufficient.

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