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When bzImage-3.8.1.efi is used as an efistub or with gummiboot it just panics. I think it is not finding a rootfs because
something has changed in the kernel-3.8.1 source. If anyone boots kernel-3.8.1 as a EFISTUB or with GUMMIBOOT, I'd like
to know how you did it (???).
For some unkown reason bzImage-3.8.1.efi fails to read boot options passed to it by the gummiboot-3.8.1.conf, the
efibootmgr with the -u option, typed in a uefi shell or even its own builtin command line.
Here are the results I got when testing kernel-3.8.1 (bzImage-3.8.1.efi) & other EFI configured kernels
with different EFI loaders:
grub2-efi ...Boots: bzImage-3.6.1.efi, bzimage-3.7.1.efi & bzImage-3.8.1.efi
elilo ...Boots: bzImage-3.6.1.efi, bzimage-3.7.1.efi & bzImage-3.8.1.efi
gummiboot ...Boots: bzImage-3.6.1.efi, bzimage-3.7.1.efi
efistub ...Boots: bzImage-3.6.1.efi, bzimage-3.7.1.efi
Here is my efistub cmdline typed in uefi shell:
bzImage-3.8.1.efi root=/dev/sda2 resume=/dev/sda3 ro raid=noautodetect init=/bin/systemd rootfstype=ext4 plymouth.enable=0 init 5
Here is my gummiboot-3.8.1.conf "options" for bzImage-3.8.1.efi:
root=/dev/sdb2 ro resume=/dev/sdb3 vga=791 raid=noautodetect rootfstype=ext4 plymouth.enable=0 init 5
Here is some other info:
selinux ...permissive mode
kernel ...bzImage-3.8.1 (Built From Source)