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    High CPU usage from /usr/local/bin/php-cgi -f /usr/local/sbin/

    General pfSense Questions
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    • L
      Lonney last edited by

      Recently /usr/local/bin/php-cgi -f /usr/local/sbin/ started eating CPU, rebooting the system has no effect.

      2.3.4-RELEASE-p1 (amd64) on a Dell OptiPlex 780 with a Core 2 Duo 3.2GHz with powerd enabled, this system would run at 1600MHz (lowest speed), now it sits at 3.2GHz all the time.

      last pid: 33932;  load averages:  1.03,  1.02,  0.94  up 1+02:53:07    11:31:30
      167 processes: 4 running, 137 sleeping, 26 waiting
      
      Mem: 26M Active, 107M Inact, 526M Wired, 948K Cache, 196M Buf, 3185M Free
      Swap: 8192M Total, 8192M Free
      
        PID USERNAME PRI NICE   SIZE    RES STATE   C   TIME    WCPU COMMAND
         11 root     155 ki31     0K    32K RUN     0  24.2H  91.26% [idle{idle: cpu0}]
      28063 root      98    0   267M 28136K CPU0    0   0:18  81.49% /usr/local/bin/php-cgi -f /usr/local/sbin/
         11 root     155 ki31     0K    32K RUN     1 678:11   6.88% [idle{idle: cpu1}]
      
      vmstat -i
      interrupt                          total       rate
      irq17: uhci1 uhci4                    15          0
      irq22: uhci2 ehci0                     2          0
      irq23: uhci3 ehci1                261031          2
      irq256: hpet0:t0               110097865       1126
      irq257: hpet0:t1                64988184        665
      irq264: em0                     21899843        224
      irq265: em1                     35272520        360
      irq266: em2                       393276          4
      irq269: ahci0:ch0                 103075          1
      Total                          233015811       2384
      
      

      I've searched and looked at the high load troubleshooting guide, not sure what is causing this.

      The last two things I changed were enabling DDNS and OpenVPN, disabling those service has no effect.

      1 Reply Last reply Reply Quote 0
      • D
        doktornotor Banned last edited by

        Not useful, try

        ps auxww
        
        

        instead.

        1 Reply Last reply Reply Quote 0
        • L
          Lonney last edited by

          ps auxww
          USER      PID  %CPU %MEM    VSZ   RSS TT  STAT STARTED       TIME COMMAND
          root       11 197.5  0.0      0    32  -  RL   Sat08AM 2217:07.60 [idle]
          dhcpd   38499   1.1  2.3 106892 94660  -  Ss   11:37AM    0:45.03 /usr/local/sbin/dhcpd -6 -user dhcpd -group _dhcp -chroot /var/dhcpd -cf /etc/dhcpdv6.conf -pf /var/run/dhcpdv6.pid em1
          root    78492   0.6  0.1  14512  2312  -  Ss   Sat08AM   13:59.17 /usr/sbin/syslogd -s -c -c -l /var/dhcpd/var/run/log -P /var/run/syslog.pid -f /var/etc/syslog.conf
          root        0   0.0  0.0      0   320  -  DLs  Sat08AM    7:36.83 [kernel]
          root        1   0.0  0.0   9136   848  -  ILs  Sat08AM    0:00.01 /sbin/init --
          root        2   0.0  0.0      0    16  -  DL   Sat08AM    0:00.00 [crypto]
          root        3   0.0  0.0      0    16  -  DL   Sat08AM    0:00.00 [crypto returns]
          root        4   0.0  0.0      0    32  -  DL   Sat08AM    0:00.59 [cam]
          root        5   0.0  0.0      0    16  -  DL   Sat08AM    0:20.62 [pf purge]
          root        6   0.0  0.0      0    16  -  DL   Sat08AM    0:00.00 [sctp_iterator]
          root        7   0.0  0.0      0    16  -  DL   Sat08AM    0:00.04 [enc_daemon0]
          root        8   0.0  0.0      0    32  -  DL   Sat08AM    0:00.96 [pagedaemon]
          root        9   0.0  0.0      0    16  -  DL   Sat08AM    0:00.00 [vmdaemon]
          root       10   0.0  0.0      0    16  -  DL   Sat08AM    0:00.00 [audit]
          root       12   0.0  0.0      0   416  -  WL   Sat08AM    0:38.45 [intr]
          root       13   0.0  0.0      0    32  -  DL   Sat08AM    0:00.00 [ng_queue]
          root       14   0.0  0.0      0    48  -  DL   Sat08AM    0:00.06 [geom]
          root       15   0.0  0.0      0    16  -  DL   Sat08AM    0:06.29 [rand_harvestq]
          root       16   0.0  0.0      0   640  -  DL   Sat08AM    0:03.97 [usb]
          root       17   0.0  0.0      0    16  -  DL   Sat08AM    0:00.06 [idlepoll]
          root       18   0.0  0.0      0    16  -  DL   Sat08AM    0:00.00 [pagezero]
          root       19   0.0  0.0      0    32  -  DL   Sat08AM    0:00.82 [bufdaemon]
          root       20   0.0  0.0      0    16  -  DL   Sat08AM    0:00.21 [vnlru]
          root       21   0.0  0.0      0    16  -  DL   Sat08AM    0:03.66 [syncer]
          root       48   0.0  0.0      0    16  -  DL   Sat08AM    0:00.83 [md0]
          root       53   0.0  0.0      0    16  -  DL   Sat08AM    0:06.02 [md1]
          root      325   0.0  0.6 273980 25580  -  Ss   Sat08AM    0:01.47 php-fpm: master process (/usr/local/lib/php-fpm.conf) (php-fpm)
          root      363   0.0  0.1  22996  4088  -  INs  Sat08AM    0:00.01 /usr/local/sbin/check_reload_status
          root      365   0.0  0.1  22996  3920  -  IN   Sat08AM    0:00.00 check_reload_status: Monitoring daemon of check_reload_status
          root      377   0.0  0.1  13624  4836  -  Is   Sat08AM    0:00.02 /sbin/devd -q
          dhcpd    4047   0.0  0.3  24844 10960  -  Ss   11:37AM    0:00.13 /usr/local/sbin/dhcpd -user dhcpd -group _dhcp -chroot /var/dhcpd -cf /etc/dhcpd.conf -pf /var/run/dhcpd.pid em1
          root     5670   0.0  0.1  14564  2184  -  Is   Sat08AM    0:00.01 dhclient: em0 [priv] (dhclient)
          root     8852   0.0  0.2  82268  7488  -  Ss   12:48PM    0:00.06 sshd: admin@pts/0 (sshd)
          _dhcp   12106   0.0  0.1  14564  2212  -  Ss   Sat08AM    0:00.02 dhclient: em0 (dhclient)
          root    14041   0.0  0.1  12428  2172  -  Is   Sat08AM    0:00.01 /usr/local/sbin/dhcp6c -d -c /var/etc/dhcp6c_wan.conf -p /var/run/dhcp6c_em0.pid em0
          root    17048   0.0  0.1  16676  2256  -  Ss   Sat08AM    0:01.74 /usr/local/sbin/filterlog -i pflog0 -p /var/run/filterlog.pid
          root    20071   0.0  0.1  15012  2292  -  Ss    4:39AM    0:01.68 /usr/local/bin/dpinger -S -r 0 -i WAN_DHCP -B 24.19.152.121 -p /var/run/dpinger_WAN_DHCP~24.19.152.121~24.19.152.1.pid -u /var/run/dpinger_WAN_DHCP~24.19.152.121~24.19.152.1.sock -C /etc/rc.gateway_alarm -d 0 -s 500 -l 2000 -t 60000 -A 1000 -D 500 -L 20 24.19.152.1
          root    20473   0.0  0.1  15012  2284  -  Ss    4:39AM    0:01.75 /usr/local/bin/dpinger -S -r 0 -i WAN_DHCP6 -B fe80::21b:21ff:fe45:89c9%em0 -p /var/run/dpinger_WAN_DHCP6~fe80::21b:21ff:fe45:89c9%em0~fe80::259:dcff:fe79:6022%em0.pid -u /var/run/dpinger_WAN_DHCP6~fe80::21b:21ff:fe45:89c9%em0~fe80::259:dcff:fe79:6022%em0.sock -C /etc/rc.gateway_alarm -d 0 -s 500 -l 2000 -t 60000 -A 1000 -D 500 -L 20 fe80::259:dcff:fe79:6022%em0
          root    38793   0.0  0.0   8172  1844  -  Is   11:37AM    0:00.02 /usr/local/sbin/dhcpleases6 -c /usr/local/bin/php-cgi -f /usr/local/sbin/prefixes.php|/bin/sh -l /var/dhcpd/var/db/dhcpd6.leases
          root    38909   0.0  1.0 273980 39648  -  I    11:55AM    0:00.46 php-fpm: pool nginx (php-fpm)
          root    39490   0.0  0.2  39164  6156  -  Is   Sat08AM    0:00.00 nginx: master process /usr/local/sbin/nginx -c /var/etc/nginx-webConfigurator.conf (nginx)
          root    39735   0.0  0.2  39164  7168  -  I    Sat08AM    0:00.18 nginx: worker process (nginx)
          root    39856   0.0  0.2  39164  7044  -  I    Sat08AM    0:00.01 nginx: worker process (nginx)
          root    40374   0.0  0.1  16532  2220  -  Ss   Sat08AM    0:00.06 /usr/sbin/cron -s
          root    40946   0.0  0.4  30152 17980  -  Ss   Sat08AM    0:03.92 /usr/local/sbin/ntpd -g -c /var/etc/ntpd.conf -p /var/run/ntpd.pid
          root    41200   0.0  0.2  59068  6900  -  Is   11:37AM    0:00.00 /usr/sbin/sshd
          root    41356   0.0  0.1  17000  2564  -  SN   Sat09AM    0:14.13 /bin/sh /var/db/rrd/updaterrd.sh
          root    43419   0.0  0.0   8168  1824  -  SN   12:49PM    0:00.00 sleep 60
          root    49891   0.0  0.1  14400  2204  -  S    Sat08AM    0:01.16 /usr/local/sbin/radvd -p /var/run/radvd.pid -C /var/etc/radvd.conf -m syslog
          root    50240   0.0  0.1  21632  5568  -  Ss   11:56AM    0:00.02 /usr/local/sbin/openvpn --config /var/etc/openvpn/server1.conf
          root    67225   0.0  0.0  14408  1948  -  Ss   Sat08AM    0:01.81 /usr/sbin/powerd -b adp -a adp -n adp
          root    67799   0.0  0.1  21040  4752  -  Ss   Sat08AM    0:03.03 /usr/local/sbin/miniupnpd -f /var/etc/miniupnpd.conf -P /var/run/miniupnpd.pid
          root    79654   0.0  0.0  12268  1872  -  Is   Sat08AM    0:00.00 /usr/local/bin/minicron 240 /var/run/ping_hosts.pid /usr/local/bin/ping_hosts.sh
          root    79972   0.0  0.0  12268  1884  -  I    Sat08AM    0:00.02 minicron: helper /usr/local/bin/ping_hosts.sh  (minicron)
          root    80142   0.0  0.0  12268  1872  -  Is   Sat08AM    0:00.00 /usr/local/bin/minicron 3600 /var/run/expire_accounts.pid /usr/local/sbin/fcgicli -f /etc/rc.expireaccounts
          root    80442   0.0  0.0  12268  1884  -  I    Sat08AM    0:00.00 minicron: helper /usr/local/sbin/fcgicli -f /etc/rc.expireaccounts  (minicron)
          root    80565   0.0  0.0  12268  1872  -  Is   Sat08AM    0:00.00 /usr/local/bin/minicron 86400 /var/run/update_alias_url_data.pid /usr/local/sbin/fcgicli -f /etc/rc.update_alias_url_data
          root    80867   0.0  0.0  12268  1884  -  I    Sat08AM    0:00.00 minicron: helper /usr/local/sbin/fcgicli -f /etc/rc.update_alias_url_data  (minicron)
          root    96518   0.0  0.1  12272  2032  -  Is   11:37AM    0:00.00 /usr/local/sbin/dhcpleases -l /var/dhcpd/var/db/dhcpd.leases -d localdomain -p /var/run/unbound.pid -u /var/unbound/dhcpleases_entries.conf -h /var/etc/hosts
          unbound 98313   0.0  0.6  47928 25208  -  Ss   11:37AM    0:01.22 /usr/local/sbin/unbound -c /var/unbound/unbound.conf
          root    99481   0.0  0.1  14612  2180  -  Is   Sat08AM    0:00.00 /usr/local/sbin/sshlockout_pf 15
          root    99295   0.0  0.1  43440  2668 v0  Is   Sat08AM    0:00.00 login [pam] (login)
          root    99564   0.0  0.1  17000  2636 v0  I    Sat08AM    0:00.00 -sh (sh)
          root    99622   0.0  0.1  17000  2524 v0  I+   Sat08AM    0:00.00 /bin/sh /etc/rc.initial
          root     8985   0.0  0.1  17000  2528  0  Is   12:48PM    0:00.00 /bin/sh /etc/rc.initial
          root    10007   0.0  0.1  17340  3664  0  S    12:48PM    0:00.02 /bin/tcsh
          root    48620   0.0  0.1  18676  2256  0  R+   12:49PM    0:00.00 ps auxww
          
          
          1 Reply Last reply Reply Quote 0
          • L
            Lonney last edited by

            Weird, now for no apparent reason, the issue has stopped - are noticing it consistently over the last several weeks.

            1 Reply Last reply Reply Quote 0
            • L
              Lonney last edited by

              /usr/local/bin/php-cgi -f /usr/local/sbin/prefixes.php
              ```^ has started to pick up at around 30%, and the load averages are back up around 1\. Not sure if it's related.
              
              

              ps auxww
              USER      PID  %CPU %MEM    VSZ  RSS TT  STAT STARTED      TIME COMMAND
              root      11 106.7  0.0      0    32  -  RL  Sat08AM 2492:01.28 [idle]
              root    44876  13.6  0.7 273892 28136  -  R    3:43PM    0:01.54 /usr/local/bin/php-cgi -f /usr/local/sbin/prefixes.php
              dhcpd  38499  0.6  2.3 106892 94664  -  Ss  11:37AM    3:07.48 /usr/local/sbin/dhcpd -6 -user dhcpd -group _dhcp -chroot /var/dhcpd -cf /etc/dhcpdv6.conf -pf /var/run/dhcpdv6.pid em1
              root    78492  0.2  0.1  14512  2312  -  Ss  Sat08AM  15:39.90 /usr/sbin/syslogd -s -c -c -l /var/dhcpd/var/run/log -P /var/run/syslog.pid -f /var/etc/syslog.conf
              root        0  0.0  0.0      0  320  -  DLs  Sat08AM    8:39.56 [kernel]
              root        1  0.0  0.0  9136  848  -  ILs  Sat08AM    0:00.01 /sbin/init --
              root        2  0.0  0.0      0    16  -  DL  Sat08AM    0:00.00 [crypto]
              root        3  0.0  0.0      0    16  -  DL  Sat08AM    0:00.00 [crypto returns]
              root        4  0.0  0.0      0    32  -  DL  Sat08AM    0:00.65 [cam]
              root        5  0.0  0.0      0    16  -  DL  Sat08AM    0:23.11 [pf purge]
              root        6  0.0  0.0      0    16  -  DL  Sat08AM    0:00.00 [sctp_iterator]
              root        7  0.0  0.0      0    16  -  DL  Sat08AM    0:00.05 [enc_daemon0]
              root        8  0.0  0.0      0    32  -  DL  Sat08AM    0:01.06 [pagedaemon]
              root        9  0.0  0.0      0    16  -  DL  Sat08AM    0:00.00 [vmdaemon]
              root      10  0.0  0.0      0    16  -  DL  Sat08AM    0:00.00 [audit]
              root      12  0.0  0.0      0  416  -  WL  Sat08AM    0:43.48 [intr]
              root      13  0.0  0.0      0    32  -  DL  Sat08AM    0:00.00 [ng_queue]
              root      14  0.0  0.0      0    48  -  DL  Sat08AM    0:00.26 [geom]
              root      15  0.0  0.0      0    16  -  DL  Sat08AM    0:07.04 [rand_harvestq]
              root      16  0.0  0.0      0  640  -  DL  Sat08AM    0:04.41 [usb]
              root      17  0.0  0.0      0    16  -  DL  Sat08AM    0:00.06 [idlepoll]
              root      18  0.0  0.0      0    16  -  DL  Sat08AM    0:00.00 [pagezero]
              root      19  0.0  0.0      0    32  -  DL  Sat08AM    0:00.92 [bufdaemon]
              root      20  0.0  0.0      0    16  -  DL  Sat08AM    0:00.24 [vnlru]
              root      21  0.0  0.0      0    16  -  DL  Sat08AM    0:04.10 [syncer]
              root      48  0.0  0.0      0    16  -  DL  Sat08AM    0:00.92 [md0]
              root      53  0.0  0.0      0    16  -  DL  Sat08AM    0:06.70 [md1]
              root      325  0.0  0.6 273980 25580  -  Ss  Sat08AM    0:01.82 php-fpm: master process (/usr/local/lib/php-fpm.conf) (php-fpm)
              root      363  0.0  0.1  22996  4088  -  INs  Sat08AM    0:00.01 /usr/local/sbin/check_reload_status
              root      365  0.0  0.1  22996  3920  -  IN  Sat08AM    0:00.00 check_reload_status: Monitoring daemon of check_reload_status
              root      377  0.0  0.1  13624  4836  -  Ss  Sat08AM    0:00.02 /sbin/devd -q
              dhcpd    4047  0.0  0.3  24844 10988  -  Ss  11:37AM    0:00.51 /usr/local/sbin/dhcpd -user dhcpd -group _dhcp -chroot /var/dhcpd -cf /etc/dhcpd.conf -pf /var/run/dhcpd.pid em1
              root    5670  0.0  0.1  14564  2184  -  Is  Sat08AM    0:00.01 dhclient: em0 [priv] (dhclient)
              _dhcp  12106  0.0  0.1  14564  2212  -  Is  Sat08AM    0:00.02 dhclient: em0 (dhclient)
              root    14041  0.0  0.1  12428  2172  -  Is  Sat08AM    0:00.01 /usr/local/sbin/dhcp6c -d -c /var/etc/dhcp6c_wan.conf -p /var/run/dhcp6c_em0.pid em0
              root    17048  0.0  0.1  16676  2256  -  Ss  Sat08AM    0:01.93 /usr/local/sbin/filterlog -i pflog0 -p /var/run/filterlog.pid
              root    20071  0.0  0.1  15012  2292  -  Is    4:39AM    0:02.33 /usr/local/bin/dpinger -S -r 0 -i WAN_DHCP -B 24.19.152.121 -p /var/run/dpinger_WAN_DHCP~24.19.152.121~24.19.152.1.pid -u /var/run/dpinger_WAN_DHCP~24.19.152.121~24.19.152.1.sock -C /etc/rc.gateway_alarm -d 0 -s 500 -l 2000 -t 60000 -A 1000 -D 500 -L 20 24.19.152.1
              root    20473  0.0  0.1  15012  2284  -  Is    4:39AM    0:02.44 /usr/local/bin/dpinger -S -r 0 -i WAN_DHCP6 -B fe80::21b:21ff:fe45:89c9%em0 -p /var/run/dpinger_WAN_DHCP6~fe80::21b:21ff:fe45:89c9%em0~fe80::259:dcff:fe79:6022%em0.pid -u /var/run/dpinger_WAN_DHCP6~fe80::21b:21ff:fe45:89c9%em0~fe80::259:dcff:fe79:6022%em0.sock -C /etc/rc.gateway_alarm -d 0 -s 500 -l 2000 -t 60000 -A 1000 -D 500 -L 20 fe80::259:dcff:fe79:6022%em0
              root    37768  0.0  0.0  8168  1824  -  IN    3:43PM    0:00.00 sleep 60
              root    38793  0.0  0.0  8172  1844  -  Ss  11:37AM    0:00.10 /usr/local/sbin/dhcpleases6 -c /usr/local/bin/php-cgi -f /usr/local/sbin/prefixes.php|/bin/sh -l /var/dhcpd/var/db/dhcpd6.leases
              root    39490  0.0  0.2  39164  6156  -  Is  Sat08AM    0:00.00 nginx: master process /usr/local/sbin/nginx -c /var/etc/nginx-webConfigurator.conf (nginx)
              root    39735  0.0  0.2  39164  7192  -  I    Sat08AM    0:00.58 nginx: worker process (nginx)
              root    39856  0.0  0.2  39164  7140  -  I    Sat08AM    0:00.07 nginx: worker process (nginx)
              root    40374  0.0  0.1  16532  2220  -  Is  Sat08AM    0:00.07 /usr/sbin/cron -s
              root    40946  0.0  0.4  30152 17980  -  Ss  Sat08AM    0:04.37 /usr/local/sbin/ntpd -g -c /var/etc/ntpd.conf -p /var/run/ntpd.pid
              root    41200  0.0  0.2  59068  6900  -  Is  11:37AM    0:00.00 /usr/sbin/sshd
              root    41356  0.0  0.1  17000  2564  -  IN  Sat09AM    0:15.81 /bin/sh /var/db/rrd/updaterrd.sh
              root    44701  0.0  0.1  17000  2512  -  S    3:43PM    0:00.00 sh -c /usr/local/bin/php-cgi -f /usr/local/sbin/prefixes.php|/bin/sh
              root    45060  0.0  0.1  17000  2508  -  S    3:43PM    0:00.00 /bin/sh
              root    49891  0.0  0.1  14400  2204  -  S    Sat08AM    0:01.29 /usr/local/sbin/radvd -p /var/run/radvd.pid -C /var/etc/radvd.conf -m syslog
              root    50240  0.0  0.1  21632  5568  -  Ss  11:56AM    0:00.06 /usr/local/sbin/openvpn --config /var/etc/openvpn/server1.conf
              root    61878  0.0  0.8 273980 32540  -  I    2:39PM    0:00.03 php-fpm: pool nginx (php-fpm)
              root    66513  0.0  0.2  82268  7460  -  Ss    2:42PM    0:00.21 sshd: admin@pts/0 (sshd)
              root    67225  0.0  0.0  14408  1948  -  Ss  Sat08AM    0:02.02 /usr/sbin/powerd -b adp -a adp -n adp
              root    67799  0.0  0.1  21040  4752  -  Ss  Sat08AM    0:03.39 /usr/local/sbin/miniupnpd -f /var/etc/miniupnpd.conf -P /var/run/miniupnpd.pid
              root    79654  0.0  0.0  12268  1872  -  Is  Sat08AM    0:00.00 /usr/local/bin/minicron 240 /var/run/ping_hosts.pid /usr/local/bin/ping_hosts.sh
              root    79972  0.0  0.0  12268  1884  -  I    Sat08AM    0:00.02 minicron: helper /usr/local/bin/ping_hosts.sh  (minicron)
              root    80142  0.0  0.0  12268  1872  -  Is  Sat08AM    0:00.00 /usr/local/bin/minicron 3600 /var/run/expire_accounts.pid /usr/local/sbin/fcgicli -f /etc/rc.expireaccounts
              root    80442  0.0  0.0  12268  1884  -  I    Sat08AM    0:00.00 minicron: helper /usr/local/sbin/fcgicli -f /etc/rc.expireaccounts  (minicron)
              root    80565  0.0  0.0  12268  1872  -  Is  Sat08AM    0:00.00 /usr/local/bin/minicron 86400 /var/run/update_alias_url_data.pid /usr/local/sbin/fcgicli -f /etc/rc.update_alias_url_data
              root    80867  0.0  0.0  12268  1884  -  I    Sat08AM    0:00.00 minicron: helper /usr/local/sbin/fcgicli -f /etc/rc.update_alias_url_data  (minicron)
              root    96518  0.0  0.1  12272  2032  -  Is  11:37AM    0:00.01 /usr/local/sbin/dhcpleases -l /var/dhcpd/var/db/dhcpd.leases -d localdomain -p /var/run/unbound.pid -u /var/unbound/dhcpleases_entries.conf -h /var/etc/hosts
              unbound 98313  0.0  0.7  52152 29448  -  Ss  11:37AM    0:04.37 /usr/local/sbin/unbound -c /var/unbound/unbound.conf
              root    99481  0.0  0.1  14612  2180  -  Is  Sat08AM    0:00.00 /usr/local/sbin/sshlockout_pf 15
              root    99295  0.0  0.1  43440  2668 v0  Is  Sat08AM    0:00.00 login [pam] (login)
              root    99564  0.0  0.1  17000  2636 v0  I    Sat08AM    0:00.00 -sh (sh)
              root    99622  0.0  0.1  17000  2524 v0  I+  Sat08AM    0:00.00 /bin/sh /etc/rc.initial
              root    45375  0.0  0.1  18676  2256  0  R+    3:43PM    0:00.00 ps auxww
              root    67281  0.0  0.1  17000  2528  0  Is    2:42PM    0:00.00 /bin/sh /etc/rc.initial
              root    68371  0.0  0.1  17340  3648  0  S    2:42PM    0:00.01 /bin/tcsh

              1 Reply Last reply Reply Quote 0
              • D
                doktornotor Banned last edited by

                Perhaps disable DHCPv6 altogether. Or you might delete /var/dhcpd/var/db/dhcpd6.leases and start over. (Copy it somewhere if you want to debug it.)

                1 Reply Last reply Reply Quote 0
                • L
                  Lonney last edited by

                  Thanks for the advice.

                  I turned off dhcp 6 server, moved the lease files, re-enabled. Issue came straight back. Tried the same again but with a reboot before re-enabling, issue came back.

                  Left dhcp 6 server disabled, but with Router Advertisements set to assisted (this was how it was previously set), IPv6 appears to work fine, and CPU usage is back to normal.

                  1 Reply Last reply Reply Quote 0
                  • D
                    doktornotor Banned last edited by

                    With DHCPv6 off, you can set RA to Unmanaged. (Doesn't matter much though.)

                    Other than that, the bunch of whacky expensive preg_match() calls in /usr/local/sbin/prefixes.php trying to parse the leases file is not something I'd be exactly interested in debugging/tuning, maybe someone else. Best to leave DHCPv6 off, not really needed for IPv6.

                    1 Reply Last reply Reply Quote 0
                    • L
                      Lonney last edited by

                      Awesome, thank you for helping solve this!

                      1 Reply Last reply Reply Quote 0
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