Fixing the fopen error with openrc-init: fix waitpid checks also seems to have fixed the occasional random stalled boots seen on an ssd laptop but not elsewhere. OpenRC has booted 100% reliably every time so far at least.
https://github.com/OpenRC/openrc/commit/238042d28b85277a4b5f19c3d13c4331b1325662 (https://github.com/OpenRC/openrc/commit/238042d28b85277a4b5f19c3d13c4331b1325662)