pfsense crashing

[Konstanti]

@manjotsc

Then maybe it's a memory (RAM) problem.
Because the error is the same

MCA: Bank 3, Status 0xfe00000000800400 (0000 0100 0000 0000)
MCA: Global Cap 0x0000000000000c09, Status 0x0000000000000004
MCA: Vendor "GenuineIntel", ID 0x206a7, APIC ID 2
MCA: CPU 1 UNCOR PCC OVER internal timer error
MCA: Address 0x3fff80c812df
MCA: Misc 0x3ffff
panic: Unrecoverable machine check exception
cpuid = 1
KDB: enter: panic

[manjotsc]

Ok I'll try replacing the ram and see...

[Konstanti]

@manjotsc
Perhaps the problem is not in memory
This error has long been known , but whether it is solved - I do not know
https://www.intel.com/content/dam/www/public/us/en/documents/specification-updates/3rd-gen-core-desktop-specification-update.pdf

[manjotsc]

This guy also had the same issue, he recommend the replacing the NIC...

https://forum.netgate.com/topic/140095/unrecoverable-machine-check-exception/9

[Konstanti]

@manjotsc
Maybe I can't say anything. I don't know the configuration of your hardware other than the processor + 4 lan adapters Intel (igb) + 1 lan adater Intel(em). One thing is clear, this is a problem with the equipment.

[jimp]

100% a hardware issue though the exact nature isn't always obvious as to which piece of hardware is at fault.

MCA: Bank 3, Status 0xfe00000000800400
MCA: Global Cap 0x0000000000000c09, Status 0x0000000000000004
MCA: Vendor "GenuineIntel", ID 0x206a7, APIC ID 2
MCA: CPU 1 UNCOR PCC OVER internal timer error
MCA: Address 0x3fff80c812df
MCA: Misc 0x3ffff

$ mcelog --no-dmi --ascii --file mce.log
Hardware event. This is not a software error.
CPU 1 BANK 3 
MISC 3ffff ADDR 3fff80c812df 
MCG status:MCIP 
STATUS fe00000000800400 MCGSTATUS 4
MCGCAP c09 APICID 2 SOCKETID 0 
CPUID Vendor Intel Family 6 Model 42

Clear as mud.

[manjotsc]

We can't do nothing about to find out the exact issue?
I am using the Dell Optiplex 790

[jimp]

Your hardware vendor may be able to make better sense of those MCA errors. I'd start there.

[manjotsc]

@jimp You mean contacting dell?

[jimp]

If that is who made the system, then yes.

[stephenw10]

Do you have a NIC expansion card in it? Try removing it you have nothing to lose.

At least one of those errors looks almost identical.

Steve

[manjotsc]

I had tired, finally I just swapped the dell motherboard with American Megatrends board. Everything seems to working fine as of 3h 15 minutes of up time...

[manjotsc]

Thanks everyone above, for helping.