lighttpd starts at priority 50, but promptly calls getrandom() on initialization (li_rand_reseed() and li_rand_device_bytes() from server_init()). If /dev/urandom (which getrandom() uses by default) doesn't have sufficient entropy, this will block. Since Openwrt runs the startup scripts serially, this can block initialization indefinitely. I've seen 15-20 minutes typically. Seeding the pool early on can quickly built sufficient entropy to complete booting without blocking. Signed-off-by: Philip Prindeville <philipp@redfish-solutions.com> |
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