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[Xen-bugs] [Bug 683] New: cannot create 1GB and 2GB domUs - privileged d

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Subject: [Xen-bugs] [Bug 683] New: cannot create 1GB and 2GB domUs - privileged domain did not balloon
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Date: Tue, 20 Jun 2006 08:42:29 -0700
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           Summary: cannot create 1GB and 2GB domUs - privileged domain did
                    not balloon
           Product: Xen
           Version: unstable
          Platform: x86-64
        OS/Version: Linux-2.6
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Hypervisor
        AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
        ReportedBy: krysans@xxxxxxxxxx

We submitted the following patch (on May 25th for bug #650) to wait sufficient
time for memory to balloon out before creating a new domain.

We tested the patch and all was well.  However, we now see the same problem
again (error - privileged domain did not balloon) with changesets 10333 and
10449, not only with 2GB domUs, but now also with 1GB domUs on our Unisys
ES7000 16X 16GB machine. The error occurs only when dom0 has almost all the
machine's memory before we attempt to create a 1GB or 2GB domU.

Perhpas changes have been made which caused memory ballooning to take a longer
amount of time?

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