On 03/30/2010 01:16 AM, Richard Simpson wrote:
Hello, Summary: How can I have a virtual CPU with the nx bit set whilst enjoying KVM acceleration? My Host - AMD Athlon(tm) 64 Processor 3200+ running Gentoo My VM - KVM running hardened Gentoo My KVM version - 0.12.3 My Task - Implement restricted secure VM to handle services exposed to internet. My Command - kvm -hda /dev/mapper/vols-andrew -kernel ./bzImage -append root=/dev/hda2 -cpu host -runas xxx -net nic -net user -m 256 -k en-gb -vnc :1 -monitor stdio
Are you running a 32-bit non-pae host kernel? In that case, nx is disabled both for the guest and host. Switch to a pae (or 64-bit) kernel and all should be well.
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