Confirmed to be fixed...
With 2.6.35-29.50-generic: $ dmesg | grep NX [ 0.000000] Notice: NX (Execute Disable) protection cannot be enabled in hardware: non-PAE kernel! ...
With 2.6.35-29.51-generic: $ dmesg | grep NX [ 0.000000] Notice: NX (Execute Disable) protection cannot be enabled in hardware: non-PAE kernel! [ 0.000000] NX (Execute Disable) protection: approximated by x86 segment limits ...
Confirmed to be fixed...
With 2.6.35- 29.50-generic: $ dmesg | grep NX
[ 0.000000] Notice: NX (Execute Disable) protection cannot be enabled in hardware: non-PAE kernel!
...
With 2.6.35- 29.51-generic: $ dmesg | grep NX
[ 0.000000] Notice: NX (Execute Disable) protection cannot be enabled in hardware: non-PAE kernel!
[ 0.000000] NX (Execute Disable) protection: approximated by x86 segment limits
...