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From: Silas McCroskey <inkswinc@gmail.com>
Date: Wed, 6 May 2020 07:42:55 -0700
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Subject: bad opcode from vga/realemu on NUC7CJYH after UEFI boot
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X-Bullshit: distributed firewall polling optimizer 

Have used these machines before without issue, so I think the
difference here is that I UEFI PXE booted this one rather than legacy
PXE booting it or legacy booting it from the root FS or USB.

Graphics come up in 800x600 mode during boot (I believe this is being
set by bootx64.efi, could try to set it differently there but haven't
figured that out yet), but when I try to resize to a larger size,
neither aux/vga -p nor aux/vga -m vesa -l 1600x1200x32 work; both
throwing the following error:

; @{aux/realemu; aux/vga -p}
bad opcode
000801 00004f00 00000000 00000000 00000000 00009000 00000000 00000000
00007bfa 0000 0000 0000 0000 csZoPdi 1000 63 ARPL [BX-6fd9], AX
aux/vga: write /dev/realmode: bad opcode

sysinfo posted at http://sysinfo.9front.org/src/312/body

Thanks,
sam-d