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TrueNAS Virtual Machine with Ubuntu 18.04 Halting with Signal 11

March 16, 2022 by Aaron Weiss

For about one week, I had an Ubuntu 18.04 installation that I’ve had running for years as TrueNAS virtual machine starting to fail after a few hours of running.

This VM not working is not the end of the world, but I had been using this as a utility knife for all sorts of things, and I didn’t want to chuck it to the curb just yet.

I was seeing the following in my TrueNAS Log:

Mar 13 11:47:56 maria kernel: pid 1552 (bhyve), jid 0, uid 0: exited on signal 11
Mar 13 11:47:58 maria kernel: vnet1: link state changed to DOWN

I had to force a power down and then restart the VM. Sometimes the VM wouldn’t start at all.

After finding an ancient article about a similar issue, someone had mentioned that when they switched their virtual machine’s NIC device from Intel e82858 (e1000) to VirtIO, that was the solution.

Changing the network interface device in a TrueNAS virtual machine running Ubuntu 18.04
Changing the network interface device in a TrueNAS virtual machine running Ubuntu 18.04

After 48 hours, my TrueNAS Virtual Machine was running stable.

It’s difficult to say why this began. I last updated TrueNAS to 12.08-U8 on February 2nd, 2022. I first noticed the TrueNAS VM wasn’t running when I was checking my internet speed graph in Grafana starting around March 3rd. However, I have unattended upgrades for this virtual machine set, so it’s possible there was an update to the packages that caused a conflict with Intel e82858 (e1000).

Perhaps this will be helpful to you.

Filed Under: TrueNAS Tagged With: truenas, ubuntu 18.04, virtio, virtual machine

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