Java Version: 1.7.0_17, Windows 8, R7 200 series GPU, 1st gen i7, 6 GB RAM, ran Minecraft with 2 GB of ram allocated.

• Head –
  Stacktrace:
  at java.util.ArrayList.rangeCheck(Unknown Source)
  at java.util.ArrayList.get(Unknown Source)
  at csu.b(SourceFile:88)
  at chc.a(SourceFile:156)
  at cjs.a(SourceFile:139)
  at cjs.a(SourceFile:74)

– Block model being tesselated –
Details:
Block: minecraft:stone[variant=stone]
Block location: World: (289,65,391), Chunk: (at 1,4,7 in 18,24; contains blocks 288,0,384 to 303,255,399), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
Using AO: true
Stacktrace:
at cjs.a(SourceFile:43)
at cjs.a(SourceFile:35)

– Block being tesselated –
Details:
Block type: ID #1 (tile.stone // azs)
Block data value: 0 / 0x0 / 0b0000
Block location: World: (289,65,391), Chunk: (at 1,4,7 in 18,24; contains blocks 288,0,384 to 303,255,399), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
Stacktrace:
at cjq.a(SourceFile:62)
at cmt.b(SourceFile:156)
at cmm.a(SourceFile:71)
at cmm.run(SourceFile:31)
at java.lang.Thread.run(Unknown Source)