[avahi] avahi-daemon 0.6.32 Out of memory, aborting & 100% CPU on Fedora 24 w/ NIS

Tue Oct 25 13:55:45 UTC 2016

Here are some logs I put together to help shed light on the situation. Happens on both 4.7.9-200.fc24.x86_64 and 4.7.7-200.fc24.x86_64 kernel, before and after reboot.

Oct 24 15:38:31 ourdomain avahi-daemon[2832]: Out of memory, aborting ...
Oct 24 15:38:31 ourdomain systemd[1]: avahi-daemon.service: Main process exited, code=killed, status=6/ABRT
Oct 24 15:38:31 ourdomain avahi-daemon[2865]: Process 2832 died: No such process; trying to remove PID file. (/var/run/avahi-daemon//pid)
Oct 24 15:38:31 ourdomain avahi-daemon[2865]: Found user 'avahi' (UID 497) and group 'avahi' (GID 497).
Oct 24 15:38:31 ourdomain systemd[1]: avahi-daemon.service: Unit entered failed state.
Oct 24 15:38:31 ourdomain avahi-daemon[2865]: Successfully dropped root privileges.
Oct 24 15:38:31 ourdomain systemd[1]: avahi-daemon.service: Failed with result 'signal'.
Oct 24 15:38:31 ourdomain avahi-daemon[2865]: avahi-daemon 0.6.32 starting up.
Oct 24 15:38:31 ourdomain avahi-daemon[2865]: Successfully called chroot().
Oct 24 15:38:31 ourdomain avahi-daemon[2865]: Successfully dropped remaining capabilities.
Oct 24 15:38:31 ourdomain avahi-daemon[2865]: Loading service file /services/udisks.service.
Oct 24 15:38:31 ourdomain avahi-daemon[2865]: Joining mDNS multicast group on interface eth0.IPv6 with address fe80::21e:c9ff:feab:7ef0.
Oct 24 15:38:31 ourdomain avahi-daemon[2865]: New relevant interface eth0.IPv6 for mDNS.
Oct 24 15:38:31 ourdomain avahi-daemon[2865]: Joining mDNS multicast group on interface eth0.IPv4 with address ourip.
Oct 24 15:38:31 ourdomain avahi-daemon[2865]: New relevant interface eth0.IPv4 for mDNS.
Oct 24 15:38:31 ourdomain avahi-daemon[2865]: Network interface enumeration completed.
Oct 24 15:38:31 ourdomain avahi-daemon[2865]: Registering new address record for fe80::21e:c9ff:feab:7ef0 on eth0.*.
Oct 24 15:38:31 ourdomain avahi-daemon[2865]: Registering new address record for ourip on eth0.IPv4.
Oct 24 15:38:32 ourdomain avahi-daemon[2865]: Server startup complete. Host name is ourdomain.local. Local service cookie is 3216231522.
Oct 24 15:38:33 ourdomain avahi-daemon[2865]: ourdomain (/services/udisks.service) successfully established.

Oct 24 15:46:33 ourdomain ypserv[1601]: refused connect from ourip:57768 to procedure ypproc_match (ourdomain,shadow.byname;-1)
Oct 24 15:46:34 ourdomain ypserv[1601]: refused connect from ourip:41431 to procedure ypproc_match (ourdomain,shadow.byname;-1)
Oct 24 15:46:36 ourdomain ypserv[1601]: refused connect from ourip:44496 to procedure ypproc_match (ourdomain,shadow.byname;-1)
Oct 24 15:46:36 ourdomain ypserv[1601]: refused connect from ourip:40068 to procedure ypproc_match (ourdomain,shadow.byname;-1)
Oct 24 15:46:38 ourdomain ypserv[1601]: refused connect from ourip:54735 to procedure ypproc_match (ourdomain,shadow.byname;-1)
Oct 24 15:46:39 ourdomain ypserv[1601]: refused connect from ourip:49616 to procedure ypproc_match (ourdomain,shadow.byname;-1)

top - 15:51:15 up 18 min,  1 user,  load average: 1.24, 1.08, 0.88
Tasks: 249 total,   2 running, 247 sleeping,   0 stopped,   0 zombie
%Cpu(s):  4.0 us,  8.6 sy,  0.0 ni, 86.6 id,  0.9 wa,  0.0 hi,  0.0 si,  0.0 st
KiB Mem :  8170440 total,  6168936 free,   690580 used,  1310924 buff/cache
KiB Swap:  8191996 total,  8191996 free,        0 used.  7194552 avail Mem 

  PID USER      PR  NI    VIRT    RES    SHR S  %CPU %MEM     TIME+ COMMAND                                                                                                                                                  
 2865 avahi     20   0   58072   7948   3836 R 100.0  0.1  12:42.18 avahi-daemon                                                                                                                                             
 3685 root      20   0   48612   3952   3216 R   0.7  0.0   0:00.02 top              

 systemctl status dbus
* dbus.service - D-Bus System Message Bus
   Loaded: loaded (/usr/lib/systemd/system/dbus.service; static; vendor preset: disabled)
   Active: active (running) since Mon 2016-10-24 15:33:25 EDT; 20min ago
     Docs: man:dbus-daemon(1)
 Main PID: 1379 (dbus-daemon)
    Tasks: 1 (limit: 512)
   CGroup: /system.slice/dbus.service
           `-1379 /usr/bin/dbus-daemon --system --address=systemd: --nofork --nopidfile --systemd-activation --syslog-only

Oct 24 15:37:06 ourdomain dbus-daemon[1379]: [system] Activating via systemd: service name='org.freedesktop.Avahi' unit='dbus-org.freedesktop.Avahi.service' requested by ':1.37' (uid=48 pid=1952 comm="/usr/sbin/httpd -DFOREGROUND ")
Oct 24 15:37:06 ourdomain dbus-daemon[1379]: [system] Successfully activated service 'org.freedesktop.Avahi'
Oct 24 15:37:38 ourdomain dbus-daemon[1379]: [system] Activating via systemd: service name='org.freedesktop.Avahi' unit='dbus-org.freedesktop.Avahi.service' requested by ':1.40' (uid=48 pid=2647 comm="/usr/sbin/httpd -DFOREGROUND ")
Oct 24 15:37:38 ourdomain dbus-daemon[1379]: [system] Successfully activated service 'org.freedesktop.Avahi'
Oct 24 15:37:54 ourdomain dbus-daemon[1379]: [system] Activating via systemd: service name='org.freedesktop.Avahi' unit='dbus-org.freedesktop.Avahi.service' requested by ':1.42' (uid=48 pid=2647 comm="/usr/sbin/httpd -DFOREGROUND ")
Oct 24 15:37:54 ourdomain dbus-daemon[1379]: [system] Successfully activated service 'org.freedesktop.Avahi'
Oct 24 15:38:14 ourdomain dbus-daemon[1379]: [system] Activating via systemd: service name='org.freedesktop.Avahi' unit='dbus-org.freedesktop.Avahi.service' requested by ':1.44' (uid=48 pid=2647 comm="/usr/sbin/httpd -DFOREGROUND ")
Oct 24 15:38:14 ourdomain dbus-daemon[1379]: [system] Successfully activated service 'org.freedesktop.Avahi'
Oct 24 15:38:31 ourdomain dbus-daemon[1379]: [system] Activating via systemd: service name='org.freedesktop.Avahi' unit='dbus-org.freedesktop.Avahi.service' requested by ':1.46' (uid=48 pid=2647 comm="/usr/sbin/httpd -DFOREGROUND ")
Oct 24 15:38:31 ourdomain dbus-daemon[1379]: [system] Successfully activated service 'org.freedesktop.Avahi'

systemctl status systemd-logind.service
* systemd-logind.service - Login Service
   Loaded: loaded (/usr/lib/systemd/system/systemd-logind.service; static; vendor preset: disabled)
   Active: active (running) since Mon 2016-10-24 15:33:27 EDT; 36min ago
     Docs: man:systemd-logind.service(8)
           man:logind.conf(5)
           http://www.freedesktop.org/wiki/Software/systemd/logind
           http://www.freedesktop.org/wiki/Software/systemd/multiseat
 Main PID: 1421 (systemd-logind)
   Status: "Processing requests..."
    Tasks: 1 (limit: 512)
   CGroup: /system.slice/systemd-logind.service
           `-1421 /usr/lib/systemd/systemd-logind

Oct 24 16:07:41 ourdomain systemd-logind[1421]: New session 25 of user root.
Oct 24 16:07:41 ourdomain systemd-logind[1421]: Removed session 25.
Oct 24 16:07:41 ourdomain systemd-logind[1421]: New session 26 of user root.
Oct 24 16:09:00 ourdomain systemd-logind[1421]: Removed session 26.
Oct 24 16:09:00 ourdomain systemd-logind[1421]: New session 27 of user root.
Oct 24 16:09:04 ourdomain systemd-logind[1421]: Removed session 27.
Oct 24 16:09:04 ourdomain systemd-logind[1421]: New session 28 of user root.
Oct 24 16:09:07 ourdomain systemd-logind[1421]: Removed session 28.
Oct 24 16:09:07 ourdomain systemd-logind[1421]: New session 29 of user root.
Oct 24 16:09:07 ourdomain systemd-logind[1421]: Removed session 29.
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