Am 12.07.2017 um 22:03 schrieb Mike Gilbert:
> On Wed, Jul 12, 2017 at 11:42 AM, William Hubbs <williamh@gentoo.org> wrote:
>> OpenRC 0.28 will mount efivars read only by default due to concerns
>> about users bricking systems by writing to this filesystem unexpectedly.
>>
>> Here is the newsitem covering this change.
>>
>> William
>>
> This will break boot loader installers, like grub-install and bootctl
> (systemd-boot). Please update any relevant documents on the wiki, or
> find someone who can do it for you.
>

Not only bootloader installers.
It will break things like efibootmgr which can be used to change EFI
bootmanager's behavior/configuration.
I am not sure how sane these tools react when efivar is RO.

Regards

-Sven