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My ISP uses IPv4, so thankfully this issue for me at least appears to be resolved by disabling DHCPv6 (memory utilisation stable even now).

Whether it was turning off DHCPv6 or the most recent reboot, the load is now 0.26, 0.27, 0.17 and memory at ~21% and holding.

"configd.py" processes are at 3, "rc.newwanipv6" at 0.

Will continue to monitor.

Thanks again.

Thanks will do...

Process count of python now 472 and climbing...  Memory utilisation at 98%.   Rebooting again.... :(

Load average
3.07, 3.57, 2.36

Help!


Since updating yesterday to OPNsense 25.1.2-amd64 with all patches, the memory keeps getting consumed to full resulting in full instability.  Only way to recover is a reboot, but the cycle starts again within minutes.

Seems likely this may be due to lighttpd constantly starting and stopping, as seen in the WebGUI logs:


2025-03-04T10:20:53   Notice   lighttpd   (/usr/obj/usr/ports/www/lighttpd/work/lighttpd-1.4.77/src/server.c.1943) server started (lighttpd/1.4.77)   
2025-03-04T10:20:53   Notice   lighttpd   (/usr/obj/usr/ports/www/lighttpd/work/lighttpd-1.4.77/src/server.c.2339) server stopped by UID = 0 PID = 72132   
2025-03-04T10:20:53   Notice   lighttpd   (/usr/obj/usr/ports/www/lighttpd/work/lighttpd-1.4.77/src/server.c.1234) [note] graceful shutdown started   
2025-03-04T10:19:33   Notice   lighttpd   (/usr/obj/usr/ports/www/lighttpd/work/lighttpd-1.4.77/src/server.c.1943) server started (lighttpd/1.4.77)   
2025-03-04T10:18:43   Notice   lighttpd   (/usr/obj/usr/ports/www/lighttpd/work/lighttpd-1.4.77/src/server.c.1234) [note] graceful shutdown started   
2025-03-04T10:18:39   Notice   lighttpd   (/usr/obj/usr/ports/www/lighttpd/work/lighttpd-1.4.77/src/server.c.1943) server started (lighttpd/1.4.77)   
2025-03-04T10:18:39   Notice   lighttpd   (/usr/obj/usr/ports/www/lighttpd/work/lighttpd-1.4.77/src/server.c.2339) server stopped by UID = 0 PID = 48479   
2025-03-04T10:18:36   Notice   lighttpd   (/usr/obj/usr/ports/www/lighttpd/work/lighttpd-1.4.77/src/server.c.1234) [note] graceful shutdown started
...


Also there seems to be an unusually high count (350+) processes matching this line:
   259   root   68   0   229M   135M   wait   2   0:00   0.00%   /usr/local/bin/python3 /usr/local/opnsense/service/configd.py console (python3.11){python3.11}


...and a similar number (350+) of processes matching this line:
   66432   root   68   0   58M   32M   lockf   1   0:00   0.00%   /usr/local/bin/php /usr/local/etc/rc.newwanipv6 igc0 force


The process count increases all the time, now it's closer to 400, with memory utilisation at 90% (I have 8Gb)


Help!!


Thanks!