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[Xen-bugs] [Bug 1465] New: Dom0 lockup after starting the 193rd Mini-OS

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Subject: [Xen-bugs] [Bug 1465] New: Dom0 lockup after starting the 193rd Mini-OS Instance
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Date: Sat, 16 May 2009 09:07:09 -0700
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           Summary: Dom0 lockup after starting the 193rd Mini-OS Instance
           Product: Xen
           Version: unstable
          Platform: Other
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Hypervisor
        AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
        ReportedBy: thomas.dubuisson@xxxxxxxxx

I had made a script to start up to 500 mini-os VMs using 6MB each - it locks up
when starting the 193rd domain.  I can even run the script to stat 192 domains
and dom0 still works fine, though slugish, but starting one more mini-os
instance locks up the system.

By 'locks up' I mean the screen freezes and I get no mouse or keyboard
response.  Also, the capslock indicator is flashing as though someone is using
that as an error indicator.

Xen unstable (3.4.0-rc4-pre) and Xen 3.3-testing branches were both tested with
the same results.  Unstable pull/build was done May 15th 2009.  Jeremys
kernel.org git branch xen-tip/master was used for Dom0.  This is all stable for
me when in normal use.

Hardware: T61 laptop, Core 2 duo, 4GB memory

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