I just updated to Android SDK Tools r20, and try to create avd base on android 4.1 and WXGA, but I got error message when I start AVD.
config.ini:
hw.mai
Modify config.ini file like that:
hw.ramSize=1024 --> hw.ramSize=1024M
and it should work like charm...
Ref: http://www.fantageek.com/102/strange-avd-with-hw-ramsize/