Please post:

hardware specs
log-file
screenshot with time_used_percent and show_fps enabled in the debug menu (F4 > F5)

Screenshot is here: http://imgur.com/a/MA12P

Strangely, the lagging stopped after I exited the game and later started it again.

This is Phenom II X4 with Radeon 5460 ...

Hi.

I have a freeplay game that I started in December 2014. I have been playing it through different version of Factorio both before and after publishing on Steam. The explored and built over map is huge. After update to 0.13.13 I am experiencing some lagging in the map. This is on Linux. Maybe you ...

I got this crash, twice. I can provide the save game, if necessary.

amber2::wilx:~/factorio-game/factorio-0.10.12/bin/x64> ./factorio
0.000 2015-07-21 21:25:36; Factorio 0.12.0 (Build 103, linux64)
0.000 Operating system: Linux
0.000 Read data path: /home/wilx/factorio-game/factorio-0.10.12 ...