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compare: dustin:9cf4111af7e921632f964da8489778844a2586fa
Branches Tags
dustin:master
dustin:unifi-restore
dustin:dynamic-inventory
dustin:frigate-exporter
dustin:nut0
dustin:nut-monitor
dustin:no-vault-in-inventory
dustin:wheelhost
dustin:chrony
dustin:step-ssh
dustin:btop
dustin:collectd-buildroot
dustin:ntfy
dustin:jenkins-master

2 Commits
47965c0262 ... 9cf4111af7

Author SHA1 Message Date
Dustin 9cf4111af7 gw0: Set dhcpcd_nodev 
Disabling device management in `dhcpcd` avoids the "received NULL
device" log spam.
 2018-07-20 17:47:04 -05:00
Dustin da2d73b676 roles/dhcpcd: Disable device management module 
Today I realized that `dhcpcd` has been logging several hundred thousand
of these messages every second:

    libudev: received NULL device

This was causing both `dhcpcd` and `systemd-journald` to consume 100%
CPU.

I am not entirely sure what a "device management" module is in the
context of `dhcpcd`, but it does not seem to be required. Setting the
`nodev` option in `dhcpcd.conf` suppresses the messages, and seems to
have no effect on the operation of the daemon.
 2018-07-20 17:46:47 -05:00
2 changed files with 2 additions and 0 deletions
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1
host_vars/gw0/network.yml
View File

@ -61,6 +61,7 @@ network:
addr: 172.30.0.241 addr: 172.30.0.241
prefix: 28 prefix: 28
dhcpcd_nodev: true
dhcpcd_send_hostname: false dhcpcd_send_hostname: false
dhcpcd_ntp_servers: false dhcpcd_ntp_servers: false
dhcpcd_noipv4: true dhcpcd_noipv4: true

1
roles/dhcpcd/defaults/main.yml
View File

@ -11,3 +11,4 @@ dhcpcd_noipv4ll: false
dhcpcd_noipv4: false dhcpcd_noipv4: false
dhcpcd_noipv6rs: false dhcpcd_noipv6rs: false
dhcpcd_interfaces: [] dhcpcd_interfaces: []
dhcpcd_nodev: false