White screen before mojang logo.

[pure1]

Title: White screen before mojang logo.

Version: 2.1.1

OS: ubuntu 12.04

Java Version: java 7

Description of Problem:

After logging in The launcher white screens and nothing happens after, also I have no option to use latest lwjlgl binaries its just grayed out.

Error Messages:

a white screen...

Error Log:

not sure whats necessary, sorry...

	------------------------------------------

	Launcher is starting....

	Launcher Build: '1.0.1.3'

	Allocated 910.25 Mb of RAM

	Java VM: '1.7.0_05-b05'

	OS Version: '3.2.0-26-generic'

	Is 64-bit: 'true'

	[info] Downloading 'mirrors.yml' from 'http://mirror.technicpack.net/Technic/mirrors.yml'.

	Starting download of 'http://mirror.technicpack.net/Technic/CHECKSUM.md5', with 3 trie(s) remaining

	Copying: /temp/file6143623151878666972.tmp to: /launcher/CHECKSUM.md5

	File Downloaded: /launcher/CHECKSUM.md5

	[MD5 Mismatch] File '/launcher/tekkit/modpack.yml' has md5 of '239be4b0a5d2a13fbb6ca129f14ba8d6' instead of '6d0cae11845255390e463c81877706af'

	[info] Downloading 'modpack.yml' from 'http://mirror.technicpack.net/Technic/tekkit/modpack.yml'.

	[info] Downloading 'minecraft.yml' from 'http://mirror.technicpack.net/Technic/minecraft.yml'.

	Loading Launcher from 'techniclauncher/tekkit'

	Exception in thread "Minecraft main thread" 

	java.lang.UnsatisfiedLinkError: /tekkit/bin/natives/liblwjgl.so: /tekkit/bin/natives/liblwjgl.so: wrong ELF class: ELFCLASS32 (Possible cause: architecture word width mismatch)

		at java.lang.ClassLoader$NativeLibrary.load(Native Method)

		at java.lang.ClassLoader.loadLibrary1(ClassLoader.java:1939)

		at java.lang.ClassLoader.loadLibrary0(ClassLoader.java:1864)

		at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1825)

		at java.lang.Runtime.load0(Runtime.java:792)

		at java.lang.System.load(System.java:1059)

		at org.lwjgl.Sys$1.run(Sys.java:69)

		at java.security.AccessController.doPrivileged(Native Method)

		at org.lwjgl.Sys.doLoadLibrary(Sys.java:65)

		at org.lwjgl.Sys.loadLibrary(Sys.java:81)

		at org.lwjgl.Sys.<clinit>(Sys.java:98)

		at org.lwjgl.opengl.Display.<clinit>(Display.java:132)

		at net.minecraft.client.Minecraft.a(Minecraft.java:330)

		at net.minecraft.client.Minecraft.run(Minecraft.java:738)

		at java.lang.Thread.run(Thread.java:722)

[pure1]

wait I'm a idiot: "wrong ELF class: ELFCLASS32" I've had that one before...

[Painfull]

A fast google search gave back that you might not have the right permissions on your OS to make it work.

[pure1]

Wasn't that I didn't have the right permissions, it was that I wan't using the latest lwjgl libraries.

[bradkill2]

I have the same problem how did you fix yours