[Bug 202730] UEFI boot and console problems on 2008 Mac Pro w/ 10.2-STABLE

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=202730

Marcel Moolenaar <marcel at FreeBSD.org> changed:

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                 CC|                            |marcel at FreeBSD.org

--- Comment #2 from Marcel Moolenaar <marcel at FreeBSD.org> ---
Just a thought: Macs have firewire. It may be possible to enable dcons in the
kernel and connect another FreeBSD machine to the Mac Pro using firewire and
run dconschat on that other FreeBSD machine.

Also: if you suspect that the Mac is running FreeBSD fine, you may be able to
ssh into the machine and get the dmesg output. If you use DHCP, then it
probably has the same IP address as before. I think the only tweak you may need
to make is to configure SSHD on the memstick to allow root login (or
alternatively, mount the memstick, chroot into it and add a user).

I guess what I would want to know at this time is whether VT uses the efifb
driver or not. If not, then a solution pivots around finding the answer to the
question: why isn't VT not using efifb. If it is already using efifb, then a
solution pivots around: why aren't we seeing anything on the monitor?

Both questions probably need information about the graphics protocol and
graphics mode, which we should be able to get by tweaking the loader.

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