Lag where there previously was none.

Lord Exor

Lately, I've been experiencing inexplicable lag on certain maps, even with addons disabled. Some maps on Plutonia become unplayable due to lock-ups, and several Evilution and Thy Flesh Consumed maps skip frames constantly.

Running Windows 7 on an HP Pavilion dv7 Notebook PC. Processor is an AMD A8-3520 APU with Radeon HD Graphics, 1600 MHZ, 4 cores.

It can run Team Fortress 2 rather well, so I don't see how it can't run Doom.

Vermil

Single Player, Multiplayer?

Any specific areas on maps?

Which version/unstable build did the issues begin from?

Lord Exor

On all builds of 1.10, and in single player. And I couldn't tell you which maps lag specifically, because many of them have frame drops. For example, Last Call from Evilution drops my FPS down to 4.6.