crash as im starting 1.8.2 to the newest snapshot

Put the summary of the bug you're having here
no idea whath dis means
What I expected to happen was...:
start minecraft normaly

What actually happened was...:
when i startet it it cracht

Steps to Reproduce:
1. start minecraft in 1.8.2 or hire
2. press play
3. wait.... crach

ps im playing on ubuntu 14.04 lts