FreeNAS VM's randomly go down with "blocked for more than 120 seconds." error.

[d3vnu77]

I have 5 VM's running on a 32core AMD Threadripper 2990wx with 128 GB of ram.

Randomly it seems these servers are going down where you can't access them via SSH and when you use the VNC built into FreeNAS, I see the errors in the attached screenshot.

It seems the only way to fix the problem (temporarily) is to reboot the server, till it happens again.

 

[d3vnu77]

Realized, I posted this in the wrong, forums, sorry. moving it.

 

[Basil Hendroff]

I suggest you delete this thread.

 

[Ericloewe]

No need to delete anything. If you need a thread moved or whatever moderator action you feel is appropriate, please use the report feature to bring it to our attention.

 

[Samuel Tai]

You could try adjusting sysctls in the VM, according to this:

Linux Kernel panic issue: How to fix hung_task_timeout_secs and blocked for more than 120 seconds problem

This guide shows how to fix hung_task_timeout_secs and blocked for more than 120 seconds problem in Linux. A panic may occur as a result of a hardware failure or a software bug in the operating sys…

www.blackmoreops.com