When I have the Xaero's Minimap Mod installed with Chisel, I get extreme lag and then the game freezes. It also causes rendering issues with the Minimap.
Chisel v0.0.6.53
Xaero's Minimap v1.10.6 and up
Forge 2094 and up
Log:
fml-client-latest.txt

Pretty sure the problem is in the minimap. Our mod is just exposing the problem with that mod. Try using Journeymap :)

Ok, I'll report this to that mod, although this only happens with chisel, even with a lot of other mods installed, it only freezes when the chisel and map mods are installed. The minimap worked fine with chisel before v0.0.6.53.

Ok, xaero96 fixed the bug. (It will be v1.11.1)
He also said to tell you this:

With the Chisel mod installed, getting the IBlockState straight from the world/chunk and using the following method:
Minecraft.getMinecraft().getBlockRendererDispatcher().getBlockModelShapes().getModelForState(state)
to get the block model does not return the correct model. It only works with states gotten from the state ids:
getModelForState(Block.getStateFromId(Block.getStateId(state))) works, believe it or not.