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Have you been able to successfully downgrade your kernel and uninstall the latest version? We ran into some issues attempting to uninstall the -20 version of the kernel. I'm not sure if this is necessary provided we can get the GRUB configuration updated so that -18 is the default option.

Thank you for the prompt reply. We will try and boot from 4.15.18-18 or -19. Thanks for the advice as well!

We run updates monthly, and we are on the enterprise repo. #1 SMP PVE 4.15.18-46 (Thu, 8 Aug 2019 10:42:06 +0200)

We do not run VMs on the ceph nodes.

We run supermicro nodes (specifically R309.v6) for out proxmox hosts. The backend storage connects to an external ceph cluster. We also have NFS mounts for our backups, running FreeNAS. It seems to be random proxmox hosts, not one specific node.

Here is the RAM during that time.

We are using PRTG to track resource utilization. The beginning of the gap is when the machine stopped responding completely. 32 processors, each line is 1 proc

This had to be installed separately to enable multi threaded compression for ZFS backups.

Not a kernel panic this morning, but it just hangs up at this screen. Any help is appreciated.

Yeah it's a physical node..None of the VMs panic. Ok, we will try and catch the kernel panic through the console directly and post results when it happens. Thanks so much for your prompt reply!!

We haven't actually seen the kernel panic happen, by the time it crashes we're scrambling trying to get vm's migrated and restored the login screen is just frozen at the console. We probably can log into each of the consoles to see the kernel panic happen, but we do not stay logged in the...

Hello, We are having some strange issues going on in our ProxMox cluster. Our nodes seem to be just randomly kernel panicking for no rhyme or reason. We can't find anything for logs on why this is happening(if there's any non-standard log locations we'd love to know about them!). Our storage...