The crash report is on the pastebin link from original post.
However here it is
Minecraft has crashed!
----------------------
Minecraft has stopped running because it encountered a problem; Failed to start game
This error has been saved to /home/jonathan/Documents/Minecraft/FTBBETAA/minecraft/crash-reports/crash-2012-11-15_01.29.47-client.txt for your convenience. Please include a copy of this file if you report this crash to anyone.
--- BEGIN ERROR REPORT f7b75d26 --------
Generated 15/11/12 01:29
- Minecraft Version: 1.4.2
- Operating System: Linux (amd64) version 3.5.0-18-generic
- Java Version: 1.7.0_09, Oracle Corporation
- Java VM Version: OpenJDK 64-Bit Server VM (mixed mode), Oracle Corporation
- Memory: 206545200 bytes (196 MB) / 257294336 bytes (245 MB) up to 2147483648 bytes (2048 MB)
- JVM Flags: 2 total; -Xms256M -Xmx2304M
- AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
- FML: MCP v7.19 FML v4.2.18.433 Minecraft Forge 6.0.1.355 0 mods loaded, 0 mods active
- LWJGL: 2.8.4
- OpenGL: ~ERROR~ NullPointerException: null
- Is Modded: Definitely; 'forge,fml'
- Type: Client
- Texture Pack: ~ERROR~ NullPointerException: null
- Profiler Position: N/A (disabled)
- Vec3 Pool Size: ~ERROR~ NullPointerException: null[failed to get system properties (java.lang.NullPointerException)]
org.lwjgl.LWJGLException: X Error - disp: 0x7f9b6c00a140 serial: 36 error: BadRequest (invalid request code or no such operation) request_code: 154 minor_code: 14
at org.lwjgl.opengl.LinuxDisplay.globalErrorHandler(LinuxDisplay.java:318)
at org.lwjgl.opengl.LinuxDisplayPeerInfo.initDefaultPeerInfo(Native Method)
at org.lwjgl.opengl.LinuxDisplayPeerInfo.<init>(LinuxDisplayPeerInfo.java:61)
at org.lwjgl.opengl.LinuxDisplay.createPeerInfo(LinuxDisplay.java:788)
at org.lwjgl.opengl.DrawableGL.setPixelFormat(DrawableGL.java:61)
at org.lwjgl.opengl.Display.create(Display.java:843)
at org.lwjgl.opengl.Display.create(Display.java:754)
at org.lwjgl.opengl.Display.create(Display.java:736)
at net.minecraft.client.Minecraft.a(Minecraft.java:408)
at net.minecraft.client.Minecraft.run(Minecraft.java:752)
at java.lang.Thread.run(Thread.java:722)
--- END ERROR REPORT 621494e7 ----------