Public bug reported:
Ypbind service does not start after system bootup.
The systemctl command reports that the nis is running, but there is no ypbind
process on the system.
When I switch the ypbind to debug mode, I get following logs:
Jan 23 09:21:15 gklab-81-069 nis[743]: 796: parsing config file
Jan 23 09:21:15 gklab-81-069 nis[743]: 796: Trying entry: domain
nis.igk.intel.com server 172.28.168.43
Jan 23 09:21:15 gklab-81-069 nis[743]: 796: parsed domain 'nis.igk.intel.com'
server '172.28.168.43'
Jan 23 09:21:15 gklab-81-069 nis[743]: 796: add_server() domain:
nis.igk.intel.com, host: 172.28.168.43, slot: 0
Jan 23 09:21:15 gklab-81-069 nis[743]: 796: Trying entry: domain
nis.igk.intel.com server 172.28.168.170
Jan 23 09:21:15 gklab-81-069 nis[743]: 796: parsed domain 'nis.igk.intel.com'
server '172.28.168.170'
Jan 23 09:21:15 gklab-81-069 nis[743]: 796: add_server() domain:
nis.igk.intel.com, host: 172.28.168.170, slot: 1
Jan 23 09:21:15 gklab-81-069 nis[743]: 796: [Welcome to ypbind-mt, version
1.20.1]
Jan 23 09:21:15 gklab-81-069 nis[743]: 796: ping interval is 20 seconds
Jan 23 09:21:15 gklab-81-069 nis[743]: Cannot register service: RPC: Unable to
receive; errno = Connection refused
Jan 23 09:21:15 gklab-81-069 nis[743]: 796: Unable to register (YPBINDPROG,
YPBINDVERS, udp).
The system logs show that the nis tries to start before the rpcbind is
initialized:
Jan 23 09:09:21 gklab-81-069 systemd[1]: Listening on RPCbind Server Activation
Socket.
Jan 23 09:09:21 gklab-81-069 systemd[1]: Starting LSB: Start NIS client and
server daemons....
Jan 23 09:09:21 gklab-81-069 systemd[1]: Starting RPC bind portmap service...
Jan 23 09:09:21 gklab-81-069 systemd[1]: Started RPC bind portmap service.
Jan 23 09:09:21 gklab-81-069 systemd[1]: Reached target RPC Port Mapper.
Jan 23 09:09:32 gklab-81-069 systemd[1]: Started LSB: Start NIS client and
server daemons..
Adding the dependency to the nis systemd unit config solves the problem:
[Unit]
Wants=rpcbind.target
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: nis 3.17-34ubuntu3 [modified: etc/yp.conf etc/init.d/nis]
ProcVersionSignature: Ubuntu 4.4.0-59.80-generic 4.4.35
Uname: Linux 4.4.0-59-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.5
Architecture: amd64
Date: Mon Jan 23 12:08:29 2017
ProcEnviron:
TERM=xterm-256color
SHELL=/bin/bash
PATH=(custom, no user)
LANG=en_US
LANGUAGE=en_US:
SourcePackage: nis
UpgradeStatus: No upgrade log present (probably fresh install)
modified.conffile..etc.init.d.nis: [modified]
modified.conffile..etc.yp.conf: [modified]
mtime.conffile..etc.init.d.nis: 2017-01-23T09:31:48.928646
mtime.conffile..etc.yp.conf: 2017-01-20T09:44:39.706641
** Affects: nis (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug xenial
** Attachment removed: "JournalErrors.txt"
https://bugs.launchpad.net/ubuntu/+source/nis/+bug/1658653/+attachment/4808010/+files/JournalErrors.txt
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https://bugs.launchpad.net/bugs/1658653
Title:
Ypbind service fails to start on system bootup [race condition]
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