В Thu, 11 Jun 2015 11:19:38 -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 must not be understanding, because I've made a few other changes and > it still doesn't work. Can you check my /etc/default/grub file and see > what further changes need to be made? > I think there is some confusion here. As was already asked - are you speaking about video mode in GRUB itself or in Linux kernel after it is booted? > GRUB_TIMEOUT=5 > GRUB_DISTRIBUTOR="$(sed 's, release .*$,,g' /etc/system-release)" > GRUB_DEFAULT=saved > GRUB_DISABLE_SUBMENU=true > GRUB_TERMINAL_OUTPUT=gfxterm > GRUB_TERMINAL=gfxterm > GRUB_CMDLINE_LINUX="rd.md.uuid=bde3f430:15091bce:874aaa0e:e48f341a > rd.md.uuid=921fb4bb:6329d29b:734b1584:7f4d3dba " > GRUB_DISABLE_RECOVERY="true" > GRUB_GFXMODE=800x600x32 > GRUB_GFXPAYLOAD=800x600x32 > GRUB_GFXPAYLOAD_LINUX=800x600x32 > > When booting, it also prints some kind of "error" message but it goes to > fast to see what's being printed. Is this info saved anywhere, or is it > possible to store it or pause it to view? Or perhaps you can identify it > from some incorrect setting in the file? > > I'm pretty much grasping at straws now because there is just so much > information, so much has changed, and there seems to be no definitive > resource that explains this in context. > > Thanks so much. > Alex _______________________________________________ Help-grub mailing list [email protected] https://lists.gnu.org/mailman/listinfo/help-grub
