Unexpected crash / hang... needed a hard reboot

[jdiesel]

Had a strange situation yesterday. Opnsense stopped passing traffic, would respond to ping, but not pass anything at all. Went to the unit, saw on the screen lots of weird messages. I hardware booted, and it came up just fine, reviewing the logs I see the following in /var/log/dmesg.yesterday:

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jason@srv:/var/log $ sudo more dmesg.yesterday
pid 98814 (sh), jid 0, uid 0: exited on signal 10
....
many many of these messages...

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....
pid 6196 (sh), jid 0, uid 0: exited on signal 10
pid 6347 (sh), jid 0, uid 0: exited on signal 10
pid 99893 (sh), jid 0, uid 0: exited on signal 10
pid 7281 (sh), jid 0, uid 0: exited on signal 10
...
pid 11520 (sh), jid 0, uid 0: exited on signal 10
pid 11623 (sh), jid 0, uid 0: exited on signal 10
pid 96898 (pfctl), jid 0, uid 0: exited on signal 6 (core dumped)
pid 99746 (pfctl), jid 0, uid 884: exited on signal 6
pid 76134 (pfctl), jid 0, uid 884: exited on signal 6
pid 24347 (pfctl), jid 0, uid 884: exited on signal 6
pid 75209 (pfctl), jid 0, uid 884: exited on signal 6
pid 67322 (pfctl), jid 0, uid 0: exited on signal 6 (core dumped)
ovpnc3: link state changed to DOWN
ovpnc2: link state changed to DOWN
ovpnc1: link state changed to DOWN
Waiting (max 60 seconds) for system process `vnlru' to stop... done
Waiting (max 60 seconds) for system process `syncer' to stop...
Syncing disks, vnodes remaining... 20 3 0 0 0 done
All buffers synced.
Uptime: 31d4h9m32s
---<<BOOT>>---
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FreeBSD 13.2-RELEASE-p3 stable/23.7-n254818-f155405f505 SMP amd64
FreeBSD clang version 14.0.5 (https://github.com/llvm/llvm-project.git llvmorg-14.0.5-0-gc12386ae247c)
VT(efifb): resolution 800x600
CPU: Intel(R) Core(TM) i3-6006U CPU @ 2.00GHz (2000.00-MHz K8-class CPU)
  Origin="GenuineIntel"  Id=0x406e3  Family=0x6  Model=0x4e  Stepping=3
  Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
  Features2=0x7ffafbbf<SSE3,PCLMULQDQ,DTES64,MON,DS_CPL,VMX,EST,TM2,SSSE3,SDBG,FMA,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,TSCDLT,AESNI,XSAVE,OSXSAVE,AVX,F16C,RDRAND>
  AMD Features=0x2c100800<SYSCALL,NX,Page1GB,RDTSCP,LM>
  AMD Features2=0x121<LAHF,ABM,Prefetch>
regular startup messsages continue....

[Patrick M. Hausen]

Memory/CPU/thermal ... problems. Most probably.