> a while back there was a "bug" introduced by systemd. It was mounting a logical filesystem read-write This is rather misleading. The efivarfs filesystem was

> a while back there was a "bug" introduced by systemd. It was mounting a logical filesystem read-write This is rather misleading. The efivarfs filesystem was mounted by the boot scripts of every Linux distro that supports booting from EFI firmware, because it is the only supported interface to install an EFI bootloader. > refused to fix or prevent the behavior, Neither have any of the Linux distros that don't use systemd. > even though the fix would not have negatively affected systemd's operation at all. But it would have broken various other tools that system administrators might want to run, as detailed by the author of efivarfs in these comments: https://news.ycombinator.com/item?id=11154041 https://news.ycombinator.com/item?id=11154041 https://news.ycombinator.com/item?id=11153826 https://news.ycombinator.com/item?id=11153826