For me this does get rid of the boot error message. +1 On 28.03.19 09:32, Sebastian Andrzej Siewior wrote: > On 2019-03-22 23:01:07 [+0700], Budiman JoJo wrote: >> Hello, I get this error message on boot only with Linux-rt kernels: >> /sys/firmware/efi/efivars: unknown filesystem type 'efivars' >> I'm on UEFI System but Linux-rt can't seem to mount the efivarfs >> properly, resulting in my system booting into BIOS mode instead of >> UEFI mode. Tried setting both CONFIG_EFI_VARS=y or # CONFIG_EFI_VARS >> is not set. When I switch to regular kernel, then the error message is >> gone and I can list the files in my /sys/firmware/efi/efivars. I'm >> using Manjaro Linux. >> Tested on linux-4.18-rt, linux-4.19-rt, linux 5.0-rt Thank you. > Does it work if you add > efi=runtime > > to the commandline? > > Sebastian
