[Xen-bugs] [Bug 1561] New: It's extremely slow to boot HVM guest boot with pvops on NHM-EX

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http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1561

           Summary: It's extremely slow to boot HVM guest boot with pvops on
                    NHM-EX
           Product: Xen
           Version: unstable
          Platform: Other
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Linux-pv_ops dom0
        AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
        ReportedBy: jiajun.xu@xxxxxxxxx


Environment:
------------
Service Arch (ia32/ia32e/IA64): ia32e
Guest Arch (ia32/ia32e/IA64):  ia32e
Guest OS Type (Linux/Windows): Linux/Windows
Hardware:  Nehalem-EX

xen-changeset:   20645:1e9441f4dcbd

pvops git: 
commit 88915d342494091181e136fad9abdf9f173de949

ioemu git: 
commit 9297e6402f6aa1b52e5577edc875eb2d2163baeb
Date:   Mon Dec 7 12:25:54 2009 +0000

Bug detailed description:
--------------------------
It's extremely slow to boot hvm guest based pvops on NHM-EX platform, waiting
for 10 minutes to grub, and 5+ minutes to loading kernel. legacy 2.6.18 dom0 is
fine.


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