* Hardware:
 Intel(R) Xeon(R) CPU E3-1220L V2 @ 2.30GHz
* Software:

Debian testing is the Host
 
* Guest operating systems:
Guests Ubuntu 14.04 LTS Debian Stretch/Sid Ubuntu 16.04
 
* Functionality tested:
xl 
creating booting 
pygrub

* Comments:

 
I found the Bug - it is the xenstored daemon which doesn't start automagicaly

i start it manually and everything works 

/usr/local/sbin/xenstored

all needed services enabled



systemctl enable xen-qemu-dom0-disk-backend.service
systemctl enable xen-init-dom0.service
systemctl enable xenconsoled.service

nothing usefull in the Logs

Live-patching also works nicely - I tested with "hello world"


how would I know that a new security patch is available?



next I test the new credit2 and RTDS scheduler yay



host                   : xen
release                : 4.7.0-1-amd64
version                : #1 SMP Debian 4.7.5-1 (2016-09-26)
machine                : x86_64
nr_cpus                : 4
max_cpu_id             : 3
nr_nodes               : 1
cores_per_socket       : 2
threads_per_core       : 2
cpu_mhz                : 2312
hw_caps                : 
b7ebfbff:77bae3ff:28100800:00000001:00000001:00000281:00000000:00000100
virt_caps              : hvm hvm_directio
total_memory           : 32711
free_memory            : 0
sharing_freed_memory   : 0
sharing_used_memory    : 0
outstanding_claims     : 0
free_cpus              : 0
xen_major              : 4
xen_minor              : 8
xen_extra              : .0-rc
xen_version            : 4.8.0-rc
xen_caps               : xen-3.0-x86_64 xen-3.0-x86_32p hvm-3.0-x86_32 
hvm-3.0-x86_32p hvm-3.0-x86_64 
xen_scheduler          : credit
xen_pagesize           : 4096
platform_params        : virt_start=0xffff800000000000
xen_changeset          : Mon Oct 10 11:10:56 2016 -0700 git:68dc718
xen_commandline        : placeholder ”iommu=pass-through”
cc_compiler            : gcc (Debian 6.2.0-5) 6.2.0 20160927
cc_compile_by          : root
cc_compile_domain      : 
cc_compile_date        : Fri Oct 14 16:52:11 BST 2016
build_id               : e846bc09029d4a0d0eb9e253168aa53e666d5977
xend_config_format     : 4


would it make sense to give every VM all cpu cores and balance via scheduler 
with differet weightings?

J

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