FTBLauncher version 1.2.3
Minecraft version: 1.4.7 (from launcher)
Java version: 1.7.0_17
OS: amd64 Linux 3.8.7-1-ARCH (Arch Linux 64-bit)
Minecraft crashes shortly after log in.
The FTB splash runs, and then sticks at a black screen.
Vanilla minecraft (1.5.1) runs error free on my system.
All...