[Xen-bugs] [Bug 1720] New: Guest does not disappear after poweroff it

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http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1720

           Summary: Guest does not disappear after poweroff it
           Product: Xen
           Version: unstable
          Platform: Other
        OS/Version: Windows
            Status: NEW
          Severity: normal
          Priority: P2
         Component: HVM
        AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
        ReportedBy: shaohui.zheng@xxxxxxxxx


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Description From linyou.cong@xxxxxxxxx 2011-01-20 15:08:31 (-) [reply]
Environment:
------------
Service Arch (ia32/ia32e/IA64): ia32e
Guest Arch (ia32/ia32e/IA64): 
Guest OS Type (Linux/Windows):Linux
Change Set: 22764
Hardware:Westmere-ep and Sandybridge 

Other:
xen-changeset:   22764:75b6287626ee
xen-date:        Fri Jan 14 16:38:51 2011 +0000
xen-summary:     rcupdate: Make rcu_barrier() more paranoia-proof

pvops git:
commit 862ef97190f6b54d35c76c93fb2b8fadd7ab7d68
Merge: 7835387... 5823a82...
Author: Jeremy Fitzhardinge <jeremy.fitzhardinge@xxxxxxxxxx>
Date:   Mon Dec 6 14:56:48 2010 -0800

ioemu git:
commit 1c304816043c0ffe14d20d6006d6165cb7fddb9b
Author: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
Date:   Tue Jan 11 18:48:58 2011 +0000



Bug detailed description:
--------------------------
For the xen-unstable(c/s22764).we assigned PCIE/PCI NIC, PF, VF or USB
device to guest and create it on Sandybridge.when we poweroff the guest,it was 
failed.This issue also exists on Westmere-ep .And the guest also failed to
poweroff when we hadn't assign PCIE/PCI NIC, PF, VF or USB device to guest on
Westmere-ep.  

Reproduce steps:
----------------
1.assigned PCIE/PCI NIC, PF, VF or USB device to guest in config  file
2.create guest by using config file.
3.poweroff the guest,we seen it was failed.

Current result:
----------------
fail to poweroff the guest

Expected result:
----------------
poweroff the guest successfully

Basic root-causing log:
----------------------


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