Red Hat Bugzilla – Bug 158412
32bit Opteron using Segment Limits instead of NX
Last modified: 2015-01-04 17:19:41 EST
Description of problem:
FC4 32bit installed on a dual Opteron is using segment limits rather than NX.
Using x86 segment limits to approximate NX protection
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Version-Release number of selected component (if applicable):
(And yes, "nx" is listed as a flag in /proc/cpuinfo.)
NX needs PAE, PAE isnt enabled in the UP 686 kernel.