Re: [Xen-users] xen 4.6 crashes on enabling second CPU.

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Thu, Feb 04, 2016 at 01:37:40PM -0500, Alvin Starr wrote:
> 
> I have a new 4.6 xen install on C7 that will boot using xen 4.5 but crashes
> with xen 4.6.
> 
> The serial output is:
> The hardware is a bit old: IBM 3650
> 

Hello, do you want to build Xen by yourself? This seems to be a bug
that's already fixed upstream.

And in stable-4.6 branch:

commit 3d2d3d86a8e130ca1b708244bc2e16ef1975ca99
Author:     Jan Beulich <jbeulich@xxxxxxxx>
AuthorDate: Tue Dec 15 15:26:56 2015 +0100
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Tue Dec 15 15:26:56 2015 +0100

    x86: refine nr_sockets calculation
    
    The previous variant didn't work for non-contiguous socket numbers.
    
    Reported-by: Ed Swierk <eswierk@xxxxxxxxxxxxxxxxxx>
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Tested-by: Ed Swierk <eswierk@xxxxxxxxxxxxxxxxxx>
    Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    master commit: 4217080693f9a4831e290c7a31bc6b886be5ca12
    master date: 2015-12-08 09:45:29 +0100

Wei.

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