Ok, so I have a partial workaround, but it's pretty clunky.

Idea 1: Run another instance of indiserver in docker with Ubuntu 18.04, and connect to EFW remotely
Problem: For reasons I only vaguely understand, docker doesn't sufficiently isolate the broken Atik library from the newer kernel, so the crash persists

Idea 2: From a modern OS like Ubuntu 20.04, download Gnome Boxes and set up an Ubuntu 18.04 virtual machine, enable access to the EFW USB device in "preferences", install indiserver, and connect to the EFW remotely
Problem: While this works within the VM, the driver on the client still crashes with a segfault even when connecting remotely. Is there a way in indi to connect to a remote driver without having the driver installed on a client?

Idea 3: Give up on automatic control of the EFW, and just run a parallel instance of kstars in the 18.04 VM to control it.
Problem: This obviously sucks, but at least it does work.

I've messaged Atik about this, but only time will tell if they're willing to rebuild their driver for a non-archaic kernel. In the meantime:

1. I might need to learn how to use wireshark to figure out how to talk to the EFW and write a proper open source driver. It's a pretty simple device after all...
2. Does anyone know of solutions to the remote driver crash? That would be a decent workaround if it could be made to work.

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