one place that is mounted and writable at the time udev is started is / dev. rc.sysinit: (generate blacklist) printf "BLACKLIST=\"$BLACKLIST\"\n MOD_AUTOLOAD=\"$MOD_AUTOLOAD\"\n"

/dev/.blacklist (start udevd)

From what I've read, it seems one can mount a ramfs under /etc/udev/ rules.d/, add a bunch of udev rules there, and dispense with load- modules.sh altogether. if this works udev should be able to start

load-modules.sh: . /dev/.blacklist I haven't had the chance to play with the testing packages, but this setup seemed to work ok when i was playing with it. random idea: lickety-split. But I'm not sure what all to use for rules. or if it works at all