On Wednesday 31 January 2007 00:43, Rick Stevens wrote:
Yes, they're out. The "official" name for Pacifica is "AMD-V".
The
Athlon64/X2 series has AMD-V, as does the Opteron 1xxx,2xxx and 4xxx
series (e.g. Opteron 1210).
If you "cat /proc/cpuinfo", look at the flags string. AMD chips with
AMD-V will have the "svm" flag. Intel chips will have the "vmx"
flag.
I have an AMD Athlon64/X2 and an Opteron 1210. Here's the procinfo
for each. First, the Athlon64/X2:
[root@labrat1 ~]# cat /proc/cpuinfo
flags : fpu tsc msr pae mce cx8 apic mtrr mca cmov pat pse36
clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt rdtscp lm
3dnowext 3dnow pni cx16 lahf_lm cmp_legacy svm cr8_legacy
And now the Opteron 1210:
flags : fpu tsc msr pae mce cx8 apic mtrr mca cmov pat pse36
clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt rdtscp lm
3dnowext 3dnow pni cx16 lahf_lm cmp_legacy svm cr8_legacy
Thanks for that, Rick. Very interesting. I'll keep this thread when it's done
for future reference. Sure enough I just did "cat /proc/cpuinfo" on this P4
machine and there is no vmx flag.
But the question from both myself and Jonathan remains:- If I/he/we were to
build new systems using these processor chips, would we be able to get a Xen
kernel then install and run 98SE/XP/Vista as virtual machines?
Dave
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