[Bug 233579] ppc64 r341455 will panic on boot with usefdt=1

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=233579

--- Comment #14 from Dennis Clarke <dclarke at blastwave.org> ---
re : stopping during the "Waking up CPU".

I see the exact same behavior here on a PMacG5_11,2 unit. Let's just
call them G511,2 for short. 

Again, I feel strongly that this is historical computing with the side
effect that the G511,2 can be had on eBay and everywhere cheaply. So 
the user base is out there. That alone justifies my interest. That and
the embedded space with is a whole other kettle of fish. 

I will see if I can get a build going with head whatever that is today
and try a few more experiments but using a mixture of : 


    debug.rman_debug=1
    debug.verbose_sysinit=1
    usefdt=1 
    kern.smp.disabled=1


I check in via irc and this may be worth looking at further but without
a decent serial console the process is, as you know, a miserable process.


-- 
Dennis Clarke
RISC-V/SPARC/PPC/ARM/CISC
UNIX and Linux spoken
GreyBeard and suspenders optional

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