Latest tested versions (working during 2014/2015 labs):

• Raspbian: version September 2014 (2014-09-09)
• Toolchain: commit 2324612605316a64f9daae33712e5afe762cf995, arm-bcm2708hardfp-linux-gnueabi
• U-boot: commit f9692464a8d2e8989a2c622198f6e43315362a51
• Kernel 3.12.y (same major version as Raspbian 09-09-2014): commit b518a2dfe5d4716862dd8022b326b80817500dae