Turning off VSync crashes the game

---- Minecraft Crash Report ----
// Hey, that tickles! Hehehe!

Time: 16.07.14 18:08
Description: Updating screen events

org.lwjgl.opengl.OpenGLException: Stack underflow (1284)
	at org.lwjgl.opengl.Util.checkGLError(Util.java:59)
	at org.lwjgl.opengl.WindowsContextImplementation.setSwapInterval(WindowsContextImplementation.java:113)
	at org.lwjgl.opengl.ContextGL.setSwapInterval(ContextGL.java:232)
	at org.lwjgl.opengl.DrawableGL.setSwapInterval(DrawableGL.java:86)
	at org.lwjgl.opengl.Display.setSwapInterval(Display.java:1129)
	at org.lwjgl.opengl.Display.setVSyncEnabled(Display.java:1142)
	at brq.a(SourceFile:560)
	at bta.a(SourceFile:83)
	at bsw.b(SourceFile:41)
	at bvr.a(SourceFile:92)
	at bvf.k(SourceFile:405)
	at bvr.k(SourceFile:71)
	at bvf.p(SourceFile:382)
	at bqx.q(SourceFile:1458)
	at bqx.ap(SourceFile:866)
	at bqx.a(SourceFile:305)
	at net.minecraft.client.main.Main.main(SourceFile:120)


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- Head --
Stacktrace:
	at org.lwjgl.opengl.Util.checkGLError(Util.java:59)
	at org.lwjgl.opengl.WindowsContextImplementation.setSwapInterval(WindowsContextImplementation.java:113)
	at org.lwjgl.opengl.ContextGL.setSwapInterval(ContextGL.java:232)
	at org.lwjgl.opengl.DrawableGL.setSwapInterval(DrawableGL.java:86)
	at org.lwjgl.opengl.Display.setSwapInterval(Display.java:1129)
	at org.lwjgl.opengl.Display.setVSyncEnabled(Display.java:1142)
	at brq.a(SourceFile:560)
	at bta.a(SourceFile:83)
	at bsw.b(SourceFile:41)
	at bvr.a(SourceFile:92)
	at bvf.k(SourceFile:405)
	at bvr.k(SourceFile:71)
	at bvf.p(SourceFile:382)

-- Affected screen --
Details:
	Screen name: bvr

-- Affected level --
Details:
	Level name: MpServer
	All players: 1 total; [cgh['LuxiKeks'/65, l='MpServer', x=566,78, y=4,00, z=470,11]]
	Chunk stats: MultiplayerChunkCache: 441, 441
	Level seed: 0
	Level generator: ID 01 - flat, ver 0. Features enabled: false
	Level generator options: 
	Level spawn location: 468,00,4,00,481,00 - World: (468,4,481), Chunk: (at 4,0,1 in 29,30; contains blocks 464,0,480 to 479,255,495), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
	Level time: 1721917 game time, 6000 day time
	Level dimension: 0
	Level storage version: 0x00000 - Unknown?
	Level weather: Rain time: 0 (now: false), thunder time: 0 (now: false)
	Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: false
	Forced entities: 27 total; [wz['entity.LeashKnot.name'/64, l='MpServer', x=548,50, y=4,50, z=503,50], abd['Bat'/6023961, l='MpServer', x=516,50, y=6,09, z=461,75], abd['Bat'/5216775, l='MpServer', x=552,44, y=18,00, z=474,25], abd['Bat'/4091824, l='MpServer', x=517,75, y=8,08, z=461,50], abd['Bat'/7619493, l='MpServer', x=515,66, y=4,11, z=458,44], afb['Slime'/9503104, l='MpServer', x=641,50, y=4,00, z=531,50], abd['Bat'/4579159, l='MpServer', x=517,94, y=4,51, z=459,94], abd['Bat'/3819693, l='MpServer', x=516,17, y=10,16, z=461,17], abd['Bat'/7619501, l='MpServer', x=514,25, y=5,44, z=460,38], abq['Rabbit'/28, l='MpServer', x=511,28, y=4,00, z=531,84], aby['Sheep'/29, l='MpServer', x=501,13, y=4,00, z=535,88], abd['Bat'/7619497, l='MpServer', x=517,75, y=12,38, z=461,75], abd['Bat'/7619498, l='MpServer', x=518,75, y=6,09, z=458,25], cgh['LuxiKeks'/65, l='MpServer', x=566,78, y=4,00, z=470,11], abd['Bat'/6497920, l='MpServer', x=514,84, y=6,95, z=460,30], abd['Bat'/36, l='MpServer', x=516,59, y=11,44, z=460,13], abd['Bat'/41, l='MpServer', x=515,25, y=8,91, z=461,75], abd['Bat'/50, l='MpServer', x=554,75, y=19,10, z=474,25], abq['Rabbit'/51, l='MpServer', x=549,69, y=4,00, z=504,06], aby['Sheep'/52, l='MpServer', x=544,59, y=4,00, z=538,81], aby['Sheep'/53, l='MpServer', x=554,34, y=4,00, z=545,75], abg['Chicken'/54, l='MpServer', x=599,34, y=4,00, z=515,56], abg['Chicken'/55, l='MpServer', x=613,63, y=4,00, z=444,53], abg['Chicken'/58, l='MpServer', x=638,53, y=4,00, z=519,25], abg['Chicken'/61, l='MpServer', x=635,66, y=4,00, z=513,59], abd['Bat'/8815352, l='MpServer', x=516,50, y=4,09, z=457,28], abg['Chicken'/62, l='MpServer', x=645,31, y=4,00, z=512,59]]
	Retry entities: 0 total; []
	Server brand: vanilla
	Server type: Integrated singleplayer server
Stacktrace:
	at ccg.a(SourceFile:308)
	at bqx.b(SourceFile:2215)
	at bqx.a(SourceFile:314)
	at net.minecraft.client.main.Main.main(SourceFile:120)

-- System Details --
Details:
	Minecraft Version: 14w29a
	Operating System: Windows 7 (amd64) version 6.1
	Java Version: 1.8.0_05, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 187128200 bytes (178 MB) / 1247281152 bytes (1189 MB) up to 1789919232 bytes (1707 MB)
	JVM Flags: 3 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx2G -Xmn1G
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	Launched Version: 14w29a
	LWJGL: 2.9.1
	OpenGL: GeForce GT 650M/PCIe/SSE2 GL version 4.4.0, NVIDIA Corporation
	GL Caps: Using GL 1.3 multitexturing.
Using GL 1.3 texture combiners.
Using framebuffer objects because OpenGL 3.0 is supported and separate blending is supported.
Shaders are available because OpenGL 2.1 is supported.
VBOs are available because OpenGL 1.5 is supported.

	Is Modded: Probably not. Jar signature remains and client brand is untouched.
	Type: Client (map_client.txt)
	Resource Packs: [Faithful.zip]
	Current Language: English (UK)
	Profiler Position: N/A (disabled)