[Bug 271826] FreeBSD is disastrously slow on a PowerMac G5, freezing at every command

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=271826

freebsd@nielsdv.eu changed:

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--- Comment #57 from freebsd@nielsdv.eu ---
Hello,

Last... December I think, I wanted to play around a bit with my g5, I tried
booting freebsd on it, but without much luck. I found some forum posts or
issues back then, and thought it was broken and just kind of forgot about it.

Today, I saw the thing sitting under my desk again, and wanted to try it again,
I saw that work has been done, and hopeful comments on the issue, so I
downloaded the latest release
(FreeBSD-14.3-RELEASE-powerpc-powerpc64-bootonly.iso).

Sadly, I'm still having issues with it. I tried both booting from USB and also
burning the image to a CD-RW, to make sure that USB-booting was not causing it,
but after the kernel loads it seems to hang after initializing usb devices. I
can also hear the CD spin down. The weird thing is, that (un/re) plugging the
keyboard does seem to trigger something, as a new line appears with the related
action, and the caps/num-lock buttons also seem to work as the LED's change.

I also tried, before loading the kernel (in the bootloader?) to issue the 
"set hw.usb.no_boot_wait=1" and then a "boot" command, but that didn't change
anything.

My G5 is a dual core (pci-e, ddr2) model.

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