[Xen-users] Domus missing assigned cores/cpus with 4.10 and pvh

[Volker Schwicking <volker.schwicking@xxxxxxxxxxx>]

Hi,

I updated my Xen from 4.4.7 with pv to 4.10 (official release) with pvh and now im missing assigned vcpus/cores in my domus.

My domus (between 20 and 60 per host) usually have 2-4 vcpus assigned:

###
$ xl vcpu-list server000
Name                                ID  VCPU   CPU State   Time(s) Affinity (Hard / Soft)
server000                             53     0    7   -b-      30.1  2-11 / all
server000                             53     1    -   --p       0.0  2-11 / all
server000                             53     2    -   --p       0.0  2-11 / all
server000                             53     3    -   --p       0.0  2-11 / all
###

Note that vcpu 1-3 are not assigned to a thread/core and the domu only shows a single cpu in /proc/cpuinfo.

###
$ grep processor /proc/cpuinfo
processor       : 0
###

Is there a specific option or requirement i have to enable / fulfill to get more vcpus assigned correctly with pvh?

I am running a custom built 4.14.14 kernel and xen-4.10. I have not changed anything in the xen-sources.

xl info, xen kernel options, sample domu config and xen command line options are attached in the txt file.

Any hint would be highly appreciated.

-Volker

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