Comment 2 for bug 1859101

Thanks for the bug report.

The first thing I notice is that the kernel doesn't have a driver for your GPU because it seems to be QEMU's "-vga std" option. So Xorg defaults to 800x600 and does not support any other modes besides the default one...

[ 27.274] (==) FBDEV(0): Depth 24, (==) framebuffer bpp 24
[ 27.274] (==) FBDEV(0): RGB weight 888
[ 27.274] (==) FBDEV(0): Default visual is TrueColor
[ 27.274] (==) FBDEV(0): Using gamma correction (1.0, 1.0, 1.0)
[ 27.275] (II) FBDEV(0): hardware: EFI VGA (video memory: 1408kB)
[ 27.275] (II) FBDEV(0): checking modes against framebuffer device...
[ 27.275] (II) FBDEV(0): checking modes against monitor...
[ 27.275] (--) FBDEV(0): Virtual size is 800x600 (pitch 800)
[ 27.275] (**) FBDEV(0): Built-in mode "current": 48.0 MHz, 46.9 kHz, 75.1 Hz
[ 27.275] (II) FBDEV(0): Modeline "current"x0.0 48.00 800 832 928 1024 600 604 608 624 -hsync -vsync -csync (46.9 kHz b)
[ 27.275] (==) FBDEV(0): DPI set to (96, 96)

This is understandably annoying, but your only other options are to:

  * Get SeaBIOS/QEMU to support other modes; or
  * Get QEMU to emulate a different GPU type using "-vga ..."