[Xen-bugs] [Bug 1557] New: [RAS] Regression for memory hot-add

[bugzilla-daemon@xxxxxxxxxxxxxxxxxxx]

http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1557

           Summary: [RAS] Regression for memory hot-add
           Product: Xen
           Version: unstable
          Platform: Other
        OS/Version: Windows
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Hypervisor
        AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
        ReportedBy: jiajun.xu@xxxxxxxxx


Environment:
------------
Service Arch (ia32/ia32e/IA64): 
Guest Arch (ia32/ia32e/IA64): 
Guest OS Type (Linux/Windows):
Change Set: 20790:0e3910f1de64
Hardware: NHM-EX ER,NHM-EX SR
Other:
pvops dom0: 60e0545e9649b08dd8ef5f2b991930049c40537e
qemu: 3b531c2504c093ce716192e2abd410b418ae915a

Bug detailed description:
--------------------------

this is a new issue on xen-4.0-rc1, when I hot-add memory, there is no any
response after press the attenton button. the total memory does not increase,
and no useful infomation on both xend.log and xm dmesg. 

if I online physical cpu with memory attached, we can enable the CPU only, the
attached memory can not be initialized in the same time.

I try both ER and SR, the result is the same.

fallback to the old dom0 4d9bf5db06b2b26aceebeb389a4658872ce1c6b8 with
changeset 20715:3c93fffa6502, this issue never happens, so this bug should be a
regression.


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