Exception in thread "main" java.lang.NoClassDefFoundError: net/minecraft/LauncherFrame
is user error. You pointed at the wrong minecraft.jar. You tried to use the one in .minecraft, when you needed to use the one that was downloaded from minecraft.net
The other one would appear to mean that the video drivers you have are insufficient.
# SIGSEGV (0xb) at pc=0x9c4c5cbe, pid=3599, tid=2634427248
Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
C [libdricore.so+0x19dcbe] _mesa_init_driver_state+0x69e
Java frames: (J=compiled Java code, j=interpreted, Vv=VM code)
j org.lwjgl.opengl.GL11.nglCopyTexSubImage2D(IIIIIIIIJ)V+0
j org.lwjgl.opengl.GL11.glCopyTexSubImage2D(IIIIIIII)V+31
1
AGE: 12
EXPIRIENCE: Been a mod back on a 1.7 server, was going to be promoted to admin but owner thought I was too young, then he ran out of funds.
Other: Other?