Did you try with GRUB_GFXMODE=1920x1080 ?
El 28/12/17 a les 20:06, Jürgen Bausa ha escrit: > Some additional information and a workaround I found: > > Grub is extremely slow. When I press a key, it takes more than 2 seconds > before I see the result on the screen. Another information that might be > important is that the Laptop has a high resolution (1920 x 1080) and grub > makes use of this. > > The workaround I found is to either use a textual grub screen > > GRUB_TERMINAL=console > GRUB_GFXPAYLOAD_LINUX=text > > or to use a fixed and lower resolution like > > GRUB_GFXMODE=800x600 > or > GRUB_GFXMODE=1024x768 > > Setting either a textual screen or the fixed resolution solves the problem: > grub is more responsive and starting the default kernel via timeout works. > > As this is only a workaround and grub should work without it, I am still > interested in a solution. > > Regards, > > Juergen > > Am Mittwoch, 27. Dezember 2017, 22:22:16 CET schrieben Sie: >> I have a Xiaomi Air 12 with deiban stretch (amd64) installed. Grub >> (2.02~beta3-5) works in principle but I found out, that it hangs very often, >> if no key is pressed (timeout for selecting the boot option). >> >> In this case the default option is correctly selected. Then, the screen is >> cleared, the name of the selected kernel is displayed and the message >> "loading initial ram disk". Then the screen gets black and nothing happens >> anymore. It seems that the system is never started (nothing is written to >> the logs). >> >> If I select the default boot option by pressing <Enter> on the first grub >> screen, everything works fine and the system boots up normally. >> >> I have no idea how to debug this. Is there a debug option for grub that >> enables some output on the screen? >> >> Any other hints? >> >> Regards, >> >> Jürgen > > > > _______________________________________________ > 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
