Comments (6)
So there's nothing we can do about this; if anything, the problem could be reported against Erlang/OTP.
from eturnal.
epmd is not a separate service and should be started by eturnal.
from eturnal.
Sounds like epmd
fails to start with an ERL_EPMD_ADDRESS
on your system. One possible reason would be that IPv6 is disabled in a way that doesn't allow binding to ::1
(which epmd tries to do if you specify an IPv4 listen address, which is the reason we no longer do that by default).
If this is not the issue: Does journalctl -u eturnal
show additional output? Do you get any output when stopping eturnal
and then calling ERL_EPMD_ADDRESS=127.0.0.1 epmd -d
manually?
from eturnal.
Sounds like
epmd
fails to start with anERL_EPMD_ADDRESS
on your system. One possible reason would be that IPv6 is disabled in a way that doesn't allow binding to::1
(which epmd tries to do if you specify an IPv4 listen address, which is the reason we no longer do that by default).
Indeed, IPv6 is disabled in our environment.
$ sysctl net.ipv6.conf.all.disable_ipv6
net.ipv6.conf.all.disable_ipv6 = 1
from eturnal.
net.ipv6.conf.all.disable_ipv6 = 1
Yes, this is the setup that lets epmd
fail: Binding to INADDR6_ANY
works, binding to INADDR6_LOOPBACK
doesn't. On our IPv4-only servers, we disable the IPv6 stack altogether by adding ipv6.disable_ipv6=1
to the kernel command line. That way, epmd
won't attempt to bind to ::1
. (See also this posting, for example.)
So there's nothing we can do about this; if anything, the problem could be reported against Erlang/OTP.
from eturnal.
Seems this will be fixed in future Erlang/OTP releases.
from eturnal.
Related Issues (20)
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from eturnal.