On Mon, 29 Sep 2014 at 11:06:06 +0200, Laurent Bigonville wrote:
> Apparently there is still some kind of loop here.
Piping the output of the attached script to tsort(1) says:
tsort: -: input contains a loop:
tsort: firewalld.service
tsort: network.target
tsort: network-online.target
tsort: rpcbind.service
tsort: nfs-common.service
tsort: kbd.service
tsort: console-setup.service
tsort: sysinit.target
tsort: cups.path
tsort: paths.target
tsort: basic.target
The loop in a nutshell:
* firewalld.service has the DefaultDependencies, including basic.target.
* basic.target is After sysinit.target which is After all the
autogenerated systemd units corresponding to LSB init scripts from rcS.d,
including nfs-common and rpcbind.
* rpcbind wants the network to be online before it does anything.
* firewalld wants to start before network.target so it can set up
your firewall before the network comes up.
This can't work: firewalld and the NFS bits have incompatible
expectations.
S
#!/usr/bin/perl
# usage: systemd-analyze --dump | perl cyclist.pl | tsort - > /dev/null
use strict;
use warnings;
# if early is Before: late
# then $before{late}{early} = 1
my %before;
my $in;
while (<>) {
if (m{^-> Unit (.*):$}) {
$in = $1;
}
elsif (m{^\tBefore: (.*)$}) {
$before{$1}{$in} = 1;
}
elsif (m{^\tAfter: (.*)$}) {
$before{$in}{$1} = 1;
}
}
foreach my $late (keys %before) {
my $earlier = $before{$late};
foreach my $early (keys %$earlier) {
print "$early $late\n";
}
}
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