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[Xen-bugs] [Bug 826] New: In x86 32 bit mode, failed to create four VMX

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Subject: [Xen-bugs] [Bug 826] New: In x86 32 bit mode, failed to create four VMX domains in sequence
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Date: Thu, 30 Nov 2006 18:34:27 -0800
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           Summary: In x86 32 bit mode, failed to create four VMX domains in
           Product: Xen
           Version: unstable
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: HVM
        AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
        ReportedBy: ping.y.yu@xxxxxxxxx

We could not create four Linux VMX domains sequentially in IA32 Xen. 

I can create three Linux VMX domains, and boot up to login prompt screen 
successfully, but when I try to create the fourth Linux VMX domain, it 
complains "BUB: soft lockup detected on CPU#0" and gives a call trace.
and then, all the other three Linux guest OS also give a call trace.

Reproduce steps:
1. prepare four Linux images.
2. prepare four configuration files with vcpus=4
3. create four Linux VMX domain in sequence( after one VMX domain has been boot
up to login prompt screen, then create the next one ).

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