We have test latest xen on VT platforms with Intel 915/E8500 chipset and Here 
is the test summary:
 
IA-32: 
 Build&Boot SMP xen0 without problem
 Can bootup unmodified 2.4/2.6 linux on VMX domain 
 Can bootup unmodified Window XP
 Can bootup VMX & Xen with different configuration
 Part of LTP runs well in VMX domain(2.6)
 
IA-32e: 
 Build&Boot SMP xen0 without problem
 Can bootup unmodified 2.6 linux on VMX domain 
 Can bootup unmodified Window XP
 Can bootup VMX & xenU with different configuration
 Part of LTP runs well in VMX domain(2.6)
issues:
 - can not create IA-32e VMX which has >=4GB memory in IA-32e platform.
 - vcpu-pin on VMX guest will hang service OS.
 
For details:
--------------------------------
Platform: IA-32
Default guest OS: IA-32, 2.4 kernel
 
1, one vmx with memory 128 PASS
2, one vmx with memory 256 PASS
3, one vmx with memory 512 PASS
4, one xenU create PASS
5, 2 vmx and 2 xenU coexist PASS
6, four vmx coexist PASS
7, network in VMX domain PASS
8, network in XenU domain PASS
9, one window domain PASS
10, IDE test in VMX domain PASS
11,part LTP test in VMX domain PASS
 
 
Platform: IA-32e
Default guest OS: IA-32e, 2.6 kernel
 
1, one vmx with memory 128 PASS
2, one vmx with memory 256 PASS
3, one vmx with memory 512 PASS
4, one xenU create PASS
5, 2 vmx and 2 xenU coexist PASS
6, four vmx coexist PASS
7, network in VMX domain PASS
8, network in XenU domain PASS
9, one 2.4 IA32 VMX domain PASS
10, one 2.6 IA32 VMX domain PASS
11, IA-32 2.4 and 2.6 VMX coexist PASS
12, IA-32 and IA-32e VMX coexist PASS
13,Part LTP test in VMX domain PASS
14, one window domain PASS
Thanks and best regards
Alex shi
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