Steps to reproduce

Click on chest
Ctrl click burner drill into chest (inv -> chest)
Ctrl click burner drill from chest (chest -> inv)
Ctrl click furnace into chest
Ctrl click burner drill into chest
Exit chest ui
Craft 2 sets of conveyor belts (4x belts)
Open chest
right click conveyor belt (pick ...

The server is hosted in digital ocean, and I can connect to it just fine with minimal lag. However, when my friend connects, often times such as when fighting a lot of biters, he starts getting extreme lag spikes and it becomes unplayable for him. The logs the server spews shows

<time> Info ...

When pre laying out tracks, it renders just the metal track part on top of the car

https://sc-cdn.scaleengine.net/i/4dd1aa ... 8b07e5.png

Server has 512 mb of ram.

My friend's log files. What happened here is he connected successfully. Disconnected to go use the bathroom, and then he suddenly can't reconnect. He also says that some online browser servers work, but the majority do not.

0.026 2017-02-04 21:03:12; Factorio 0.14.22 ...

I setup a headless server on an external linux server and I run it with the factorio-init script. Occasionally, the server crashes due to not enough processing power, and then after restarting my friend would have connection issues. He gets an error saying "Couldn't establish network communication ...

OS: Linux (Arch rolling)
Demo version: Factorio 0.12.24 (Build 17689, linux64)

I finished playing the tutorial mission in the demo so I wanted to try the pipes and the other mission but upon selecting it it crashes with the error

Error Util.cpp:49: Unknown entity solar-panel (Maybe you loaded ...