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I just downloaded Minecraft 1.8.1 but every time I try to play, I get this:



---- Minecraft Crash Report ----
// I let you down. Sorry

Time: 12/30/14 12:13 PM
Description: Initializing game

java.lang.RuntimeException: org.lwjgl.LWJGLException: X Error - disp: 0x7fd1486ce0b0 serial: 84 error: GLXUnsupportedPrivateRequest request_code: 156 minor_code: 16
at org.lwjgl.opengl.Display.update(Display.java:648)
at org.lwjgl.opengl.Display.update(Display.java:628)
at org.lwjgl.opengl.Display.initContext(Display.java:1036)
at org.lwjgl.opengl.Display.create(Display.java:853)
at org.lwjgl.opengl.Display.create(Display.java:757)
at bss.an(SourceFile:513)
at bss.ak(SourceFile:355)
at bss.a(SourceFile:302)
at net.minecraft.client.main.Main.main(SourceFile:124)
Caused by: org.lwjgl.LWJGLException: X Error - disp: 0x7fd1486ce0b0 serial: 84 error: GLXUnsupportedPrivateRequest request_code: 156 minor_code: 16
at org.lwjgl.opengl.LinuxDisplay.globalErrorHandler(LinuxDisplay.java:321)
at org.lwjgl.opengl.LinuxContextImplementation.nSwapBuffers(Native Method)
at org.lwjgl.opengl.LinuxContextImplementation.swapBuffers(LinuxContextImplementation.java:79)
at org.lwjgl.opengl.ContextGL.swapBuffers(ContextGL.java:175)
at org.lwjgl.opengl.DrawableGL.swapBuffers(DrawableGL.java:90)
at org.lwjgl.opengl.Display.swapBuffers(Display.java:618)
at org.lwjgl.opengl.Display.update(Display.java:646)
... 8 more


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

-- Head --
Stacktrace:
at org.lwjgl.opengl.Display.update(Display.java:648)
at org.lwjgl.opengl.Display.update(Display.java:628)
at org.lwjgl.opengl.Display.initContext(Display.java:1036)
at org.lwjgl.opengl.Display.create(Display.java:853)
at org.lwjgl.opengl.Display.create(Display.java:757)
at bss.an(SourceFile:513)
at bss.ak(SourceFile:355)

-- Initialization --
Details:
Stacktrace:
at bss.a(SourceFile:302)
at net.minecraft.client.main.Main.main(SourceFile:124)

-- System Details --
Details:
Minecraft Version: 1.8.1
Operating System: Linux (amd64) version 3.13.0-32-generic
Java Version: 1.7.0_65, Oracle Corporation
Java VM Version: OpenJDK 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 54482344 bytes (51 MB) / 160768000 bytes (153 MB) up to 1060372480 bytes (1011 MB)
JVM Flags: 5 total; -Xmx1G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
Launched Version: 1.8.1
LWJGL: 2.9.1
OpenGL: Gallium 0.4 on NVAA GL version 1.4 (3.0 Mesa 10.1.3), nouveau
GL Caps:
Using VBOs: No
Is Modded: Probably not. Jar signature remains and client brand is untouched.
Type: Client (map_client.txt)
Resource Packs: []
Current Language: ~~ERROR~~ NullPointerException: null
Profiler Position: N/A (disabled)