Ron Leisti

Cheers! Thank you Grum and barneygale

Not sure if this will be helpful, but this is a jstack output of minecraft frozen while starting up (minecraft_stack.txt)

Reproduced with snapshot 13w41b. Graphics card is ASUS HD 6450 (Radeon 6450 chipset)
Running with padsp did not help.

glxinfo reports:
OpenGL vendor string: X.Org
OpenGL renderer string: Gallium 0.4 on AMD CAICOS
OpenGL version string: 2.1 Mesa 8.0.5
OpenGL shading language version string: 1.20

Java environment via game log:
System.getProperty('os.name') == 'Linux'
System.getProperty('os.version') == '3.2.0-4-amd64'
System.getProperty('os.arch') == 'amd64'
System.getProperty('java.version') == '1.7.0_40'
System.getProperty('java.vendor') == 'Oracle Corporation'
System.getProperty('sun.arch.data.model') == '64'
...