[Xen-bugs] [Bug 1308] New: Guest can not boot up with memory over 2G on IA32PAE

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http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1308

           Summary: Guest can not boot up with memory over 2G on IA32PAE
           Product: Xen
           Version: unstable
          Platform: x86
        OS/Version: All
            Status: NEW
          Severity: major
          Priority: P1
         Component: Tools
        AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
        ReportedBy: haicheng.li@xxxxxxxxx


Environment:
------------
Service OS (ia32/ia32e/IA64): ia32pae
Guest OS (ia32/ia32e/IA64): ia32pae
Change Set: xen 3.3.0 rc1  #18145
Hardware: Stoakley/Clovertown



Bug detailed description:
--------------------------
If using ioemu-remote, on IA32PAE host, both Windows and linux guest can not
boot up with memory over 2G, if setting memeory=2047M, guest can boot up; if
setting memory=2048M, then failed to create guest.

qemu log:
domid: 17
qemu: at most 2047 MB RAM can be simulated

On IA32E host, both 32e and 32pae guest can boot up with memroy > 2G.

Reproduce steps:
----------------
1) prepare one image
2) create guest with memory > 2G


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