Had the same problem, installed gallium drivers as was suggested in this discussion http://getsatisfaction.com/mojang/topics/anything_but_tiny_draw_distance_crashes_minecraft_using_mesa_radeon_drivers_on_x11
How to install: http://phoronix.com/forums/showthread.php?24195-Help-wanted-instaling-Gallium3D-Ubuntu-10.04-ATI-x1400 Not a fix but a workaround... -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to mesa in ubuntu. https://bugs.launchpad.net/bugs/656045 Title: [r300] Minecraft crashes, fairly randomly [SIGSEGV (0xb)] _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : [email protected] Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp

