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RE: [Xen-devel] XEN 4.0 + pvops kernel : system crashes on sta

To: "'Jeremy Fitzhardinge'" <jeremy@xxxxxxxx>
Subject: RE: [Xen-devel] XEN 4.0 + pvops kernel : system crashes on starting 155th domU
From: "Yuvraj Agarwal" <yuvraj@xxxxxxxxxxx>
Date: Tue, 27 Apr 2010 12:38:46 -0700 (PDT)
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Does it display anything on the console?  Do you have a serial console

>> YA: No, this machine does not have a dedicated serial console, but I
>> try and find another machine that does.  

That should be fairly easy to verify with "top" in dom0.

>> YA: Sorry I was unclear. We have already used top to see that it is
>> xenstored that takes up a lot of CPU cycles as we increase the number
of domUs.  
>> That is why we wanted to try out the OCAML version since it is supposed
to be better. 

What happens if you manually start xenstored (before xend)?  Does it
complain, crash, something else?

>> YA: I will test this once we have the other problem worked out (number
of VMs) and report back. 
>> right now the system automatically starts up xend, so I can make that
manual and test it. 

I think this is a very under-tested configuration, so it wouldn't
surprise me if there are problems with it.

>> YA: that's what I figured. I can help with the testing. :)

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