Xen devel - May 2010 - hibernation test result of windows srv2008 R2 x64 hvm and winpv guest

Hi

I run some hibernation tests on windows HVM and HVM with windows pv 
driver. The test case is common scenario test(one test case of WHQL 
test), this test case will hibernate the vm for many times, and doing 
some IO operations for devices. The windows guest is Srv2008 R2 x64.

Following is my test result
HVM guest with pv driver,
 
machines 	1cpu and 2cpu
	4cpu
AMD 	pass 	pass
Intel 	pass 	BSOD


It seems the test result is connected with the cpu type and cpu number. 
AMD environment passed this test case, but Intel environment failed with 
4cpus. The BSOD always caused by windows kernel file instead of windows 
pv driver binaries. And i failed to figure out why Intel environment 
with 4cpu failed this test case. I tried Xen3.4 and Xen4.0, and got the 
same results. "xm dmesg" and xend.log does not show any abnormal
errors.
I guess it is not a synchronization issue in winpv driver since AMD SMP 
environment passed this case.  Any suggestions to debug this issue from 
Xen side?

HVM guest,

machines 	1cpu 	4cpu
AMD 	BSOD
	BSOD
Intel 	BSOD
	BSOD


Whether the cpu type is AMD or Intel, HVM Srv2008 R2 x64 guest never 
pass this test case. HVM shows worse than winpv drivers.

Thanks
Annie.


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