I recently built a Debian "Wheezy" system, which booted via GRUB to a non-framebuffer console, printing
Console: colour VGA+ 80x25
during boot. To /etc/default/grub
I added
GRUB_GFXMODE=1920x1200
GRUB_GFXPAYLOAD_LINUX=keep
giving me the boot messages:
vesafb: mode is 1920x1200x16, ...
fbcon: VESA VGA (fb0) is primary device
Console: switching to colour frame buffer device 240x75
fb0: VESA VGA frame buffer device
But when I installed and booted Xen,
it reverted to the non-fb console.
/dev/fb0
isn't present under dom0.
How do I enable a framebuffer console under dom0?
(Note that this question is not about virtual framebuffers for a domU. There is no domU yet.)
This is for grub-common
1.99-27+deb7u2, xen-system-amd64
4.1.4-3+deb7u3. The motherboard is a SuperMicro A1SRi-2558F, with an Aspeed AST2400.