#OPNSense Router (N305) crashes on a regular basis

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molten ravine
#

So I have two of these i3-N305 fanless PCs but they do the same thing regardless:

The system will crash about once every week or two weeks and will give me a "Fatal Trap 12: Page Fault in Kernel Mode" error. It'll also point out that it can't forward an IPv6 packet. Ex: cannot forward src fe80:1::ce6e:a4ff:fef9:90e9, dst 2600:9000:24bb:5a00:14:e9d0:1740:21, nxt 6, rcvif igc0, outif igc1. dmesg.boot shows "fq_codel_enqueue over limit and fq_codel_enqueue maxidx = 52" which may be related to my traffic shaping.

Disabling net.pf.share_forward6 andnet.inet6.ip6.forwarding will stop the crashes from happening.

On the old system I have tried:
Fresh reinstall
BIOS update
RAM Swap
SSD Swap
memtest (good)
(No brainer restarts and system updates)

Plugins on the old system:
Traffic Shaping (old guide: https://docs.ibracorp.io/opnsense)
Zenarmor
Adguard Home

On this new system I have a complete system that has nothing to do with the old one. So new RAM and storage that came from the manufacturer as well as another fresh install. I ran it barebones with no plugins for 3 weeks and it was rock solid. I use traffic shaping again using a new guide (https://docs.opnsense.org/manual/how-tos/shaper_bufferbloat.html), intel microcode updates and run it for another 3 weeks. All good. I install zenarmor onto the system and within a day it crashes with the same error codes.

I still see the same errors that I did on the old system:

I have not tried to do another BIOS update with the new system because I'm waiting on the seller to link me the exact BIOS firmware I should use. ChatGPT is also advising I turn off deeper C-states in the BIOS; disabling C3, C6, C10 and setting the C-state limit to C1. I have not tried this yet.

Previous reddit threads I've made:
https://www.reddit.com/r/opnsense/comments/1jf9npn/traffic_shaping_causing_system_crashes/
https://www.reddit.com/r/opnsense/comments/1hg6olo/crashing_every_week_potentially_due_to_ipv6/

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