When I log on to KaoshKraft.mcdl.eu server my screen lags and then eventually freezes. Then a window pops up saying Minecraft has crashed and every time it is either an unexpected error or a rendering issue.

Put the summary of the bug you're having here

What I expected to happen was...:
The server to open up and allow me to build in creative mode.

What actually happened was...:
It started to load the map and the screen froze halfway. Then the crash report showed up.

Steps to Reproduce:
1. Log on to Minecraft
2. Select multiplayer
3. Choose KaoshKraft.mcdl.eu to connect to
4. Then the map loads halfway
5. Minecraft crashes