Lightburn hangs when burning a raster file

Lightburn will do about 20% of an image file, and then hangs.

I am using Ubuntu 20.04.3 LTS and Lightburn 1.0.4 (also same result on 1.0.2).

The laser is an Ortur Laser Master 2.

I really want this laser to work - I have already trashed the shipping box.

I notice that slow power levels will also cause it to hang.

I have the debug code from the clipboard, if that helps.

Waiting for connection…
[MODEL: Ortur Laser Master 2]
[OLF: 139]
[DATE:11:17:25 - Dec 28 2020]
Target buffer size found

Bad USB cable caused intermittent issues. Using a different cable solved my issues.

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