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Determine shutdown cause in OPNSense (lemmy.world)

submitted 7 months ago by [email protected] to c/[email protected]

5 comments fedilink hide all child comments

Hi all, I've got a cheap Celeron box running OPNSense and it's been pretty good so far, but I found twice that the device turned off at some point while I was at work, and I have been unable to figure out what's causing it.

The only change was that I enabled Monit to see if I could figure out what was causing crowdsec to stop sometimes but never ended up configuring anything. I've only been running it for a couple months though, so it's possible that that is not related.

I know that on a Mac (based on freebsd, right?) you can determine whether the shutdown reason was a hard shutdown, regular shutdown, or the power cable being unplugged. Is it possible to do that with OPNSense? I'd like to narrow it down to software or hardware ideally.

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[–] [email protected] 2 points 7 months ago* (last edited 7 months ago) (1 children)

UPDATE: It crashed again today, and I was able to pull some logs and check the temperature at the time of the crash. (91 degrees which dropped to 71 degrees right before crashing?

From system log

<13>1 2024-03-13T18:30:44-04:00 OPNsense.my.home opnsense 44846 - [meta sequenceId="1192"] /usr/local/etc/rc.newwanipv6: No IP change detected (current: IPV6ADDRESSREDACTED, interface: wan)
<13>1 2024-03-13T18:30:53-04:00 OPNsense.my.home opnsense 60522 - [meta sequenceId="1193"] /usr/local/etc/rc.newwanipv6: No IP change detected (current: IPV6ADDRESSREDACTED, interface: wan)
<45>1 2024-03-13T22:12:44-04:00 OPNsense.my.home syslog-ng 10182 - [meta sequenceId="1"] syslog-ng starting up; version='4.6.0'
<13>1 2024-03-13T22:12:45-04:00 OPNsense.my.home kernel - - [meta sequenceId="2"] ---<<BOOT>>---
<13>1 2024-03-13T22:12:45-04:00 OPNsense.my.home kernel - - [meta sequenceId="138"] WARNING: / was not properly dismounted

From dmesg

arp: 192.168.1.61 moved from someMAC to anotherMAC on igc1
arp: 192.168.1.61 moved from anotherMAC to someMAC on igc1
WARNING: / was not properly dismounted
WARNING: /: mount pending error: blocks 40 files 4

I mean, I'm not saying that errors on the drive are the CAUSE of the problem, more likely a symptom, but it does look like it just straight up crashed, right?

[–] [email protected] 2 points 7 months ago

Final Update: it's the hardware, I think it was overheating in general, but also the SSD seems to have been dying and the ram wasn't particularly reliable, possibly due to the heat.

Good lesson not to buy the cheapest thing from AliExpress! My new box is working great.