In a server, I has been died while i was flying in Nether...

And other bug in normal world

I while my minecraft was crashed, I have got 0-4 fps..

Bug in Nether:
Client> GL error 0x0505: Out of memory at endUpdateChunks1

Bug in Normal World:
Client> GL error 0x0505: Out of memory at endUpdateChunks1

Client> [11:50:31] [Client thread/INFO]: [CHAT] [Server] Se borraron 38 items basura del suelo!

Client> GL error 0x0505: Out of memory at endUpdateChunks1

Client> [11:50:32] [Client thread/WARN]: Something's taking too long! 'root.gameRenderer.level.updatechunks.rebuild' took aprox 244.879595 ms

Client> GL error 0x0505: Out of memory at endUpdateChunks1

Client> [11:50:32] [Client thread/WARN]: Something's taking too long! 'root.gameRenderer.level.updatechunks' took aprox 246.385348 ms

Client> [11:50:32] [Client thread/WARN]: Something's taking too long! 'root.gameRenderer.level' took aprox 251.491319 ms

Client> [11:50:32] [Client thread/WARN]: Something's taking too long! 'root.gameRenderer' took aprox 252.993864 ms

Client> [11:50:32] [Client thread/WARN]: Something's taking too long! 'root' took aprox 253.158611 ms

Client> [11:50:33] [Client thread/WARN]: Something's taking too long! 'root.gameRenderer.level.updatechunks.rebuild' took aprox 830.687088 ms

Client> GL error 0x0505: Out of memory at endUpdateChunks1