http://www.minecraftforum.net/topic/53709-solved-black-screen-after-login-ubuntu-1010/
That's from 2010, and still no updated LWGL? Minecraft 1.5.1 (vanilla) and I still have this issue. Updating to LWGL 2.8.5 (from November 2012) fixed this issue for me.
Eric Sandall
http://www.minecraftforum.net/topic/53709-solved-black-screen-after-login-ubuntu-1010/
That's from 2010, and still no updated LWGL? Minecraft 1.5.1 (vanilla) and I still have this issue. Updating to LWGL 2.8.5 (from November 2012) fixed this issue for me.