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Thanks Igor, it works. My question was more about if it is a good idea to overwrite the GRUB_CMDLINE_LINUX_DEFAULT from well known location /etc/default/grub. It potentially may confuse people.

It looks I've found it. /etc/default/grub.d/98-armbian.cfg replaces GRUB_CMDLINE_LINUX_DEFAULT. Is it a good idea? Don't know

Hi, I'm running Armbian UEFI x86 on a Radxa Rock X4 and I'm struggling to find, where to put the kernel parameters. The armbian-config SY003 suggests /boot/armbianEnv.txt. So I've put a line with extraargs=, but it is ignored. Then I've tried /etc/default/grub adding the parameters to GRUB_CMDLINE_LINUX_DEFAULT= and then doing update-grub, but it is also ignored. Where should I put the kernel parameters?

Now the combination of current u-boot and edge kernel works just fine: linux-image-edge-meson64-23.02.2 contains kernel 6.2.0-rc3-meson64, linux-u-boot-khadas-vim3-current-23.02.2 contains u-boot 2022.07. Concerning your recovery question, do you run from emmc, or SD card? SD card is easier, insert into another arm linux, do chroot and downgrade/upgrade uboot and kernel. If you run from emmc, you can flash a minimal system on SD card and insert it. SD card should is booted booted before emmc. Then you chroot and repair. Hope, it helps.

The new MGLRU v13 should fix the "BUG: kernel NULL pointer dereference, address:..." problem introduced in v11 and v12. https://lore.kernel.org/lkml/20220706220022.968789-1-yuzhao@google.com/

I was trying Jammy (autobuild) with kerenl 5.15.18 on Khadas Vim3 4GB RAM, but is does not start, no HDMI output, no LED activity. Then I tried Hirsute with kerenl 5.13 and that boots fine, but after update new kernel (5.15) and also u-boot is installed and then it does not start again. My solution for now is to boot Hirsute with 5.13 and replace all edge packages with current (linux-dtb-current-meson64, linux-image-current-meson64, and linux-u-boot-khadas-vim3-current). This downgrades the kernel to 5.10.81, but the board can be updated and boots fine.