I'm not certain its related just yet, but ec2 kernel does not not have devtmpfs enabled:
$ grep CONFIG_DEVTMPFS /boot/config-2.6.32-301-ec2 # CONFIG_DEVTMPFS is not set
I'm not certain its related just yet, but ec2 kernel does not not have devtmpfs enabled:
$ grep CONFIG_DEVTMPFS /boot/config- 2.6.32- 301-ec2
# CONFIG_DEVTMPFS is not set