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Re: [Xen-users] PV guests concurrent running limit

Perhaps because of the limited resource? I experienced similar situation as I use a old desktop to run Xen 4.1 several years ago. Dom0 died occasionally as the resource was tight so no logs were found either. 

On Sat, Aug 27, 2016 at 1:12 AM Andrey Schmiegelow <asw@xxxxxxxxx> wrote:
Hello xen users

I'm experiencing problems when trying to deploy more than 50
paravirtualized guests.
No relevant messages in logs I found.

Follow xl-guest log
Waiting for domain smtp-051 (domid 55) to die [pid 14104]
Domain 55 has shut down, reason code 3 0x3
Action for shutdown reason code 3 is destroy
Domain 55 needs to be cleaned up: destroying the domain
Done. Exiting now

No messages appears in console log, even in the hypervisor.log

The tests were did under xen versions 4.4.4, 4.6.1, 4.6.3 and 4.7

The xen.gz line command contains loglvl=all guest_loglvl=all parameters.
I also looked for any kind of limitation constant (like "50") in the
source files with no success.
I'm running in a dual Xeon  X5660 (12 cores / 24 HT) and 64 GBytes RAM.
Each VM consumes less the 400 MB of RAM.

Any ideas?


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Kun Cheng
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