We have tested the latest xen on VT platform with Intel 915/E8500 chipset. 
Here is the test summary:
 
Issues:
- IA-32PAE: Four VMX coexist may make one or two of VMX disappear
This issue is fixed.
IA-32:
+ Build&Boot SMP xen0 without problem
+ Can bootup unmodified IA-32 2.6 linux in SMP VMX domain
+ Can bootup unmodified IA-32 WindowsXP SP1/SP2 in VMX domain
+ Can bootup SMP VMX & XenU with different memory size
  (VMX:64MB,128MB,196MB,256MB,512MB.XenU:256MB)
+ A selected subset of xm-test runs well
+ A selected subset of LTP runs well in SMP VMX domain(2.6)
+ Can startX in Dom0
+ Can bootup IA-32 2.6 linux in SMP VMX domain with acpi enable
+ Can startX in VMX
+ Network is OK in VMX
 
IA-32_PAE:
+ Build&Boot SMP xen0 without problem
+ Can bootup unmodified IA-32 2.6 linux in VMX domain
+ Can bootup unmodified IA-32 WindowXP SP1 in VMX domain
+ Can bootup VMX & XenU with different memory size
  (VMX:64MB,128MB,196MB,256MB,512MB,1500MB.XenU:256MB)
+ A selected subset of LTP runs well in SMP VMX domain(2.6)
+ A selected subset of xm-test runs well
+ Can startX in Dom0
+ Can bootup IA-32 2.6 linux in VMX domain with acpi enable
+ Can startX in VMX
+ Network is OK in VMX
IA-32e: 
+ Can bootup WindowXP SP1/SP2 in VMX domain
+ Build&Boot SMP xen0 without problem
+ Can bootup unmodified IA-32/IA-32e(2.6) linux in VMX domain
+ Can bootup unmodified IA-32PAE 2.6 linux in VMX domain
+ Can bootup VMX & xenU with different memory size.
  (VMX:128MB,256MB,384MB,512MB,1024M,4096MB.XenU:256MB)
+ A selected subset of xm-test runs well
+ A selected subset of LTP runs well in VMX domain(2.6)
+ Can startX in Dom0
+ Can bootup IA-32e 2.6 linux in VMX domain with acpi enable
+ Can startX in VMX
+ Network is OK in VMX
   
    
For details
------------------------------------------------------------
Platform: IA-32
Service OS: FC5, IA-32, SMP
Hardware: Grandstale
Default guest OS: IA-32-SMP, 2.6 kernel
1, one vmx with memory 512M					PASS
2, one xenU with memory 256M				PASS
3, 2 vmx and 2 xenU coexist					PASS
4, four vmx coexist(64M,128M,196M,256M)		PASS	
5, network in VMX domain					PASS
6, network in XenU domain					PASS
7, one window domain						PASS
8, 1 xpsp1 and 1 xpsp2 windows domains coexist	PASS
9, XenU migration							PASS
10,subset LTP test in VMX domain				PASS
11,one vmx boot with base kernel(2.6.16)		PASS
12,xm-test								PASS
13,kernel build in smp guest				PASS
14,StartX in Dom0							PASS
15,one vmx with acpi enable					PASS
Xm-test on IA-32
===========================================================================Xm-test
execution summary:
  PASS:  45
  FAIL:  4
  XPASS: 0
  XFAIL: 3
Details:
XFAIL: 02_network_local_ping_pos 
	 ping loopback failed for size 65507. ping eth0 failed for size 1 48 64 512
1440 1500 1505 4096 4192 32767 65507.
XFAIL: 05_network_dom0_ping_pos 
	 Ping to dom0 failed for size 1 48 64 512 1440 1500 1505 4096 4192 32767 65507.
XFAIL: 11_network_domU_ping_pos 
	 Ping failed for size 1 48 64 512 1440 1500 1505 4096 4192 32767 65507.
 FAIL: 01_sedf_multi_pos 
	 [0] xm sedf returned invalid 256 != 0
LTP-test on IA-32
==================               Summary Test Report of Last Session
==============================================================================  
Total     Pass      Fail     NoResult     Crash
==============================================================================ltp
194       194        0          0          0
==============================================================================ltp
194       194        0          0          0
mm                21        21        0          0          0
dio               28        28        0          0          0
nptl              1         1         0          0          0
math              10        10        0          0          0
ipc               8         8         0          0          0
pty               3         3         0          0          0
quickhit         120       120        0          0          0
sched             3         3         0          0          0
==============================================================================Total
194       194        0          0          0
Platform: IA-32_PAE
Service OS: RHEL4U1, IA-32_PAE, SMP
Hardware: Grandstale
Default guest OS: IA-32-SMP, 2.6 kernel, PAE support
1, one vmx with memory 512M					PASS
2, one vmx with memory 1.5GB				PASS
3, one xenU with memory 256M				PASS
4, 2 vmx and 2 xenU coexist					PASS
5, four vmx coexist(64M,128M,196M,256M)		FAIL
6, network in VMX domain					PASS
7, network in XenU domain					PASS
8, one xpsp1 window domain					PASS
9, xm-test								PASS
10,XenU migration							PASS
11,one vmx boot with base kernel(2.6.16)		PASS
12,StartX in Dom0							PASS
13,one vmx with acpi enable					PASS
Xm-test on IA-32PAE
================================================== 
Xm-test execution summary:
  PASS:  45
  FAIL:  4
  XPASS: 0
  XFAIL: 3
Details:
XFAIL: 02_network_local_ping_pos 
	 ping loopback failed for size 65507. ping eth0 failed for size 1 48 64 512
1440 1500 1505 4096 4192 32767 65507.
XFAIL: 05_network_dom0_ping_pos 
	 Ping to dom0 failed for size 1 48 64 512 1440 1500 1505 4096 4192 32767 65507.
XFAIL: 11_network_domU_ping_pos 
	 Ping failed for size 1 48 64 512 1440 1500 1505 4096 4192 32767 65507.
 FAIL: 01_sedf_multi_pos 
	 [0] xm sedf returned invalid 256 != 0
================================================
LTP test on IA-32PAE
=========================================================               Summary
Test Report of Last Session
==============================================================================  
Total     Pass      Fail     NoResult     Crash
==============================================================================ltp
194       194        0          0          0
==============================================================================ltp
194       194        0          0          0
mm                21        21        0          0          0
dio               28        28        0          0          0
nptl              1         1         0          0          0
math              10        10        0          0          0
ipc               8         8         0          0          0
pty               3         3         0          0          0
quickhit         120       120        0          0          0
sched             3         3         0          0          0
==============================================================================Total
194       194        0          0          0
Platform: IA-32e
Service OS: RHEL4U2, IA-32e, SMP
Hardware: Paxville
Default guest OS: IA-32e-SMP, 2.6 kernel
1, one vmx with memory 1024M						PASS
2, one xenU with memory 256M						PASS
3, 2 vmx and 2 xenU coexist							FAIL
4, four vmx coexist(two IA32 kernel, two IA32e kernel)	PASS
5, network in VMX domain							PASS
6, network in XenU domain							PASS
7, one IA32 2.6 VMX domain with memory 256M			PASS
8, one IA-32PAE 2.6 VMX domain with 1500M				PASS
9, IA-32 and IA-32PAE VMX coexist					PASS
10, IA-32,IA-32PAE and IA-32e VMX coexist				PASS
11, LTP in VMX									PASS
12, one xpsp1 window domain							PASS
13, 1 xpsp1 and 1 xpsp2 windows domains coexist		PASS
14, xm-test										PASS
15,one vmx boot with base kernel(2.6.16)				PASS
16,Build base kernel in 64bit VMX domain				PASS
17,StartX in Dom0									PASS
18,one vmx with acpi enable							PASS
Xm-test on IA-32e
===============================================================Xm-test execution
summary:
  PASS:  45
  FAIL:  4
  XPASS: 0
  XFAIL: 3
Details:
XFAIL: 02_network_local_ping_pos 
	 ping loopback failed for size 65507. ping eth0 failed for size 1 48 64 512
1440 1500 1505 4096 4192 32767 65507.
XFAIL: 05_network_dom0_ping_pos 
	 Ping to dom0 failed for size 1 48 64 512 1440 1500 1505 4096 4192 32767 65507.
XFAIL: 11_network_domU_ping_pos 
	 Timed out waiting for console
 FAIL: 01_sedf_multi_pos 
	 [0] xm sedf returned invalid 256 != 0
LTP test on IA-32e
==============================================================              
Summary Test Report of Last Session
==============================================================================  
Total     Pass      Fail     NoResult     Crash
==============================================================================ltp
195       195        0          0          0
==============================================================================ltp
195       195        0          0          0
mm                21        21        0          0          0
dio               28        28        0          0          0
nptl              1         1         0          0          0
math              10        10        0          0          0
ipc               8         8         0          0          0
pty               3         3         0          0          0
quickhit         121       121        0          0          0
sched             3         3         0          0          0
==============================================================================Total
195       195        0          0          0
 
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