On Wed, Apr 19, 2006 at 07:43:15PM +0200, Ingemar Nilsson wrote: > I have a laptop with an Intel Pentium M 760 (Dothan family) processor, but > even though the Intel CPU comparison chart on their website says that my > CPU supports the NX bit, I get the following message in dmesg: > > dmesg | grep -i nx > Using x86 segment limits to approximate NX protection > > This message was mentioned in an earlier thread as meaning that NX bit > emulation is turned on since the CPU lacks NX bit support. By the way, 'nx' > is also listed as a flag when I do > > cat /proc/cpuinfo > > Any ideas? > > My system is FC4 with the latest kernel (2.6.16-1.2069_FC4). NX needs physical address extensions (PAE) enabled. The only FC5 kernel that does this is the -smp kernel. Dave -- http://www.codemonkey.org.uk