I have checked that if I manually run as root update-grub or grub-mkconfig (with any output file), they get killed too before any output. Reinstalling grub-pc or grub-common does not change anything.
I have checked that if I manually run as root update-grub or grub-mkconfig (with any output file), they get killed too before any output. Reinstalling grub-pc or grub-common does not change anything.