В Fri, 27 Mar 2015 21:49:21 +0100
Takashi Iwai
But, from grub menu display up until that point, i.e. prior to the fb handoff, the display resolution used by 'efifb' is currently limited to 800x600.
Available EFI video modes are
grub> videoinfo List of supported video modes: Legend: mask/position=red/green/blue/reserved ... Adapter 'EFI GOP Driver': * 0x000 800 x 600 x 32 (3200) Direct color, mask: 8/8/8/8/ pos: 16/8/0/24 0x001 1024 x 768 x 32 (4096) Direct color, mask: 8/8/8/8/ pos: 16/8/0/24
So, the problem is here. If the EFI firmware can't support your preferred resolution, efifb also can't use it, obviously. Check more whether the resolution is really available. If yes, you can specify it in /etc/default/grub, e.g. via GRUB_GFXMODE. As default, grub2 tries to pick up the native resolution, and use 800x600 as a fallback.
I'd still expect it to select 1024x768 here; normally grub prefers the best possible resolution if told to autodetect. It may make sense to open bug report to investigate why it is stuck on 800x600. -- To unsubscribe, e-mail: opensuse-kernel+unsubscribe@opensuse.org To contact the owner, e-mail: opensuse-kernel+owner@opensuse.org