В Wed, 10 Jun 2015 16:10:01 -0400 Alex Regan <[email protected]> пишет:
> Hi, > > I'm confused about how to control the text video mode from grub. I've > seen references to GRUB_GFXMODE and gfxmode, but I don't understand how > it's set. > gfxmode is interpreted by gfxterm console driver when it starts. If you are using plain console, it has no effect. To change resolution during run-time you would probably need to switch console driver to something else (see terminal_output command) and then back. > I've tried setting it using "set gfxmode=640x480" in > /boot/grub2/grub.cfg and other variations, but they seem to be ignored. > This must be done before output is switched to gfxterm. > I've tried setting GRUB_GFXMODE=640x480 in /etc/default/grub then > recreating grub.cfg, but that also doesn't appear to work. > You need to use GRUB_TERMINAL_OUTPUT=gfxterm for this to have any effect. Or load gfxterm manually in grub.cfg or at run-time. > I'd appreciate it if someone could share some examples of how to do it > on current versions of fedora. > > I've also tried using 'vbeinfo' while inside grub, but those numbers > (0x114, for example) don't seem to have any effect either. > > How can I tell what resolution the console is currently set to? > > Thanks, > Alex > > > _______________________________________________ > Help-grub mailing list > [email protected] > https://lists.gnu.org/mailman/listinfo/help-grub _______________________________________________ Help-grub mailing list [email protected] https://lists.gnu.org/mailman/listinfo/help-grub
