Not able to wake up my system after sleep. It just hangs , its neither taking input from key-board nor from mouse.
Even when I tries to make system sleep by ctrl + alt + l, system hangs. In both cases all that i can do is to forcefully shutdown system and reboot.
$:uname -a Linux Ankur-desktop 3.2.0-30-generic-pae #48-Ubuntu SMP Fri Aug 24 17:14:09 UTC 2012 i686 i686 i386 GNU/Linux