I did :
sudo usermod -aG libvirt root
and
sudo usermod -aG libvirt root
but the error persists.
anyway,look below. I've thought that libvirtd was active,but it isn't :
root@ziomario-z390aoruspro:/etc/xen# ./xen-start.sh
Starting /usr/local/sbin/oxenstored...Setting domain 0 name, domid and JSON
config...
Done setting up Dom0
Starting xenconsoled...
Starting QEMU as disk backend for dom0
* [done]
Starting xen-watchdog (via systemctl): xen-watchdog.service.
root@ziomario-z390aoruspro:/etc/xen# xl list
Name ID Mem VCPUs State Time(s)
Domain-0 0 32065 16 r----- 156.7
root@ziomario-z390aoruspro:/etc/xen# xl info
host : ziomario-z390aoruspro
release : 5.8.0-25-generic
version : #26-Ubuntu SMP Thu Oct 15 10:30:38 UTC 2020
machine : x86_64
nr_cpus : 16
max_cpu_id : 15
nr_nodes : 1
cores_per_socket : 8
threads_per_core : 2
cpu_mhz : 3600.506
hw_caps :
bfebfbff:77faf3ff:2c100800:00000121:0000000f:009c6fbf:00000000:00000100
virt_caps : pv hvm hvm_directio pv_directio hap shadow
iommu_hap_pt_share
total_memory : 32625
free_memory : 133
sharing_freed_memory : 0
sharing_used_memory : 0
outstanding_claims : 0
free_cpus : 0
xen_major : 4
xen_minor : 13
xen_extra : .1
xen_version : 4.13.1
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 : credit2
xen_pagesize : 4096
platform_params : virt_start=0xffff800000000000
xen_changeset :
xen_commandline : placeholder
cc_compiler : gcc (Ubuntu 7.5.0-6ubuntu2) 7.5.0
cc_compile_by : ziomario
cc_compile_domain :
cc_compile_date : Fri Oct 2 16:52:58 CEST 2020
build_id : 663c0ea9a0c8e154f65ceaa1261896c7c6ba90fc
xend_config_format : 4
root@ziomario-z390aoruspro:/etc/xen# sudo systemctl status
libvirtd.service
● libvirtd.service - Virtualization daemon
Loaded: loaded (/lib/systemd/system/libvirtd.service; enabled; vendor
preset: enabled)
Active: inactive (dead) since Sun 2020-10-25 14:00:23 CET; 19min ago
TriggeredBy: ● libvirtd-ro.socket
● libvirtd-admin.socket
● libvirtd.socket
Docs: man:libvirtd(8)
https://libvirt.org
Process: 1393 ExecStart=/usr/sbin/libvirtd $libvirtd_opts (code=exited,
status=0/SUCCESS)
Main PID: 1393 (code=exited, status=0/SUCCESS)
Tasks: 2 (limit: 32768)
Memory: 18.8M
CGroup: /system.slice/libvirtd.service
├─1522 /usr/sbin/dnsmasq
--conf-file=/var/lib/libvirt/dnsmasq/default.conf --leasefile-ro
--dhcp-script=/usr/lib/libvirt/libvirt_leaseshelper
└─1523 /usr/sbin/dnsmasq
--conf-file=/var/lib/libvirt/dnsmasq/default.conf --leasefile-ro
--dhcp-script=/usr/lib/libvirt/libvirt_leaseshelper
ott 25 14:00:23 ziomario-z390aoruspro libvirtd[1393]: Unable to configure
libxl's memory management parameters
ott 25 14:00:23 ziomario-z390aoruspro libvirtd[1393]: Initialization of Xen
state driver failed: no error
ott 25 14:00:23 ziomario-z390aoruspro libvirtd[1393]: Driver state
initialization failed
ott 25 14:00:23 ziomario-z390aoruspro systemd[1]: libvirtd.service: Succeeded.
ott 25 14:00:23 ziomario-z390aoruspro systemd[1]: libvirtd.service: Unit
process 1522 (dnsmasq) remains running after unit stopped.
ott 25 14:00:23 ziomario-z390aoruspro systemd[1]: libvirtd.service: Unit
process 1523 (dnsmasq) remains running after unit stopped.
ott 25 14:01:00 ziomario-z390aoruspro dnsmasq[1522]: reading /etc/resolv.conf
ott 25 14:01:00 ziomario-z390aoruspro dnsmasq[1522]: using nameserver
127.0.0.53#53
ott 25 14:01:14 ziomario-z390aoruspro dnsmasq[1522]: reading /etc/resolv.conf
ott 25 14:01:14 ziomario-z390aoruspro dnsmasq[1522]: using nameserver
127.0.0.53#53
root@ziomario-z390aoruspro:/etc/xen# virsh --connect xen:/// list --all
error: failed to connect to the hypervisor
error: Cannot recv data: Connessione interrotta dal corrispondente
root@ziomario-z390aoruspro:/etc/xen# sudo systemctl is-active libvirtd
failed
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https://bugs.launchpad.net/bugs/1901398
Title:
Unable to configure libxl's memory management parameters
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