It looks like you were able to boot 3.11.0-12.19-generic due to the dmesg.log attached in comment #1. That kernel is based off of upstream 3.11.3. Can you confirm that 3.11.3 boots:
3.11.3: http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.11.3-saucy/
It looks like you were able to boot 3.11.0- 12.19-generic due to the dmesg.log attached in comment #1. That kernel is based off of upstream 3.11.3. Can you confirm that 3.11.3 boots:
3.11.3: http:// kernel. ubuntu. com/~kernel- ppa/mainline/ v3.11.3- saucy/