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Kernel panic - VMWare 7?



We've had a recurring issue the last 2-3 weeks with a receiver (virtual) apparently seeing kernel panics. This has happened three times now, and prior to this we'd not seen it in a year plus of this particular SIEM. We believe that this coincided with the customer upgrading VMWare infrastructure to 7.0.1.


The #ERC is on the customer's premises; the ESM is in AWS cloud. It's at 11.3.0 hotfix 17, I think.


Anyone else seeing similar?


Regards, James



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Re: Kernel panic - VMWare 7?

Kernel panics in SIEM VM's occur because the RAM is not dedicated to the VM. In a VM host, the memory is shared among the vm clients. 

If the ERC VM requires 16GB and does not have enough memory to take from the VM host shared memory it will crash due to kernel panic. 

Please ask your VM team to provide dedicated RAM to the ERC VM. 




Prashanth B Pillai

McAfee Technical Support 

Customer Success Group

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Re: Kernel panic - VMWare 7?

Hi @pbpillai 


That's a useful steer. But it doesn't explain why this should suddenly start happening frequently after an upgrade (it's now up to five occurences in 14 days) when it didn't panic once in the eighteen months prior to that.


I'd be asking if there was some incompatible code - the more so as certain Microsoft patches have bricked McAfee software in the last year.


Cheers,  James



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Re: Kernel panic - VMWare 7?

I've checked with our engineering teams and they do not have an active test on ESXi 7.

I have spoken to one customer who is using ESXi 7 with SIEM 11.3.2 without seeing kernel panics.

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