There were also some motherboards with shitty UEFI implementations which got bricked when the efivars storage did not have enough free space to do the garbage c

There were also some motherboards with shitty UEFI implementations which got bricked when the efivars storage did not have enough free space to do the garbage collection. The kernel "fixed" this by not allowing more than half of the efivars storage to be used (https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=68d929862e29a8b52a7f2f2f86a0600423b093cd https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/lin...).