Hello everybody.
After a lot of experiences with others kernels and it's parameters
I found a workaround.
Removing the parameter "console=XXX " from the kernel line a new
PV guest deploys (beyond the others 50 PV guests already running
with this parameter).
Of course, after that I can't access this new guests through xl
console command.
Until now this problem seems to happen only with PV guests while I
have no problems deploying more HVM guests.
This workaround if fine for my current purpose, but it will be
interesting understand why this happen.
I will back if I have any news.
Thank you for all you help me.
Andrey
On 05-09-2016 07:26, Wei Liu wrote:
On Fri, Aug 26, 2016 at 12:07:51PM -0300, Andrey Schmiegelow 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
Those are not enabled by default. Have you enabled them?
There is a trick:
xl create -p VM.cfg
(in another xterm) xl console VM
xl unpause VM
This might help extract some information.
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.
And please also check xl dmesg
Wei.
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?
Regards,
Andrey
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