>>Make sure that you're system is booted in EFI mode i didn't install a bootloader,so it can be booted in EFI mode only.
>>and also check that the kernel module efivars is loaded. do you mean EFI variable Support via sysfs?Yes,it's built-in my kernel 2013/7/27 Michael Hampicke <m...@hadt.biz> > Am 27.07.2013 16:44, schrieb Wankey Cheng: > > Hi,Everyone: > > I am a new user of gentoo,I encounter an error of the > "efibootmgr > > -c -d /dev/sda -p 1 -L Gentoo -l "\efi\boot\bootx64.efi" " command.When I > > execute it ,I got > > Failed to write variable:No space left on device > > Failed to write variable:Input/Output error > > > > what's wrong with it？how can I fix it？ > > > > my kernel version is 3.8.13,and all config need by efi has enabled. > > > > > Make sure that you're system is booted in EFI mode, and also check that > the kernel module efivars is loaded. > >
