F35 libvirtd doesn't start after boot

[Peter Boy]

I’m in the process of updating our documentation to F35 and re-testing the steps to
install and configure KVM/libvirt.

I did a pretty standard system installation, installed virtualisation and activated
libvirtd.

After reboot I get:

>  [root@zbox ~]# systemctl status libvirtd 
>  ○ libvirtd.service - Virtualization daemon
>       Loaded: loaded (/usr/lib/systemd/system/libvirtd.service; enabled; vendor preset:
> disabled)
>       Active: inactive (dead)
>  TriggeredBy: ○ libvirtd-ro.socket
>               ○ libvirtd-admin.socket
>               ○ libvirtd.socket
>               ○ libvirtd-tcp.socket
>               ○ libvirtd-tls.socket
>         Docs: man:libvirtd(8)
>               https://libvirt.org 
It looks as if systemd didn’t even try to start libvirtd.

Same is true with libvirtd.socket:

>  [root@zbox ~]# systemctl status  libvirtd.socket
>  ○ libvirtd.socket - Libvirt local socket
>       Loaded: loaded (/usr/lib/systemd/system/libvirtd.socket; enabled; vendor preset:
> disabled)
>       Active: inactive (dead)
>     Triggers: ● libvirtd.service
>       Listen: /run/libvirt/libvirt-sock (Stream) 

And, of course, I don’t get a virbr0 interface.

If a start libvirtd manually, it starts without any noticeable problems 

>  [root@zbox ~]# systemctl  start  libvirtd
>  [root@zbox ~]# systemctl  status  libvirtd
>  ● libvirtd.service - Virtualization daemon
>       Loaded: loaded (/usr/lib/systemd/system/libvirtd.service; enabled; vendor preset:
> disabled)
>       Active: active (running) since Sun 2021-11-07 21:47:36 CET; 6s ago
>  TriggeredBy: ● libvirtd-ro.socket
>               ● libvirtd-admin.socket
>               ● libvirtd.socket
>               ○ libvirtd-tcp.socket
>               ○ libvirtd-tls.socket
>         Docs: man:libvirtd(8)
>               https://libvirt.org
>     Main PID: 1077 (libvirtd)
>        Tasks: 21 (limit: 32768)
>       Memory: 36.2M
>          CPU: 669ms
>       CGroup: /system.slice/libvirtd.service
>               ├─1077 /usr/sbin/libvirtd --timeout 120
>               ├─1192 /usr/sbin/dnsmasq --conf-file=/var/lib/libvirt/dnsmasq/default.conf
> --leasefile-ro --dhcp-script=/usr/libexec/libvirt_leaseshelper
>               └─1193 /usr/sbin/dnsmasq --conf-file=/var/lib/libvirt/dnsmasq/default.conf
> --leasefile-ro --dhcp-script=/usr/libexec/libvirt_leaseshelper
>  
>  21:47:37 zbox dnsmasq[1192]: using only locally-known addresses for fritz.lan
>  21:47:37 zbox dnsmasq[1192]: using standard nameservers for fritz.lan
>  21:47:37 zbox dnsmasq[1192]: reading /etc/resolv.conf
>  21:47:37 zbox dnsmasq[1192]: using nameserver 127.0.0.53#53 
>  21:47:37 zbox dnsmasq[1192]: using only locally-known addresses for
>  21:47:37 zbox dnsmasq[1192]: using only locally-known addresses for fritz.lan
>  21:47:37 zbox dnsmasq[1192]: using standard nameservers for fritz.lan
>  21:47:37 zbox dnsmasq[1192]: read /etc/hosts - 2 addresses
>  21:47:37 zbox dnsmasq[1192]: read /var/lib/libvirt/dnsmasq/default.addnhosts - 1
> addresses
>  21:47:37 zbox dnsmasq-dhcp[1192]: read /var/lib/libvirt/dnsmasq/default.hostsfile
>   

Did something change in installation of libvirt? Did I miss some decent information? 


Best
Peter



If I search the journal I find:


Nov 07 20:35:26 zbox.fritz.box kernel: Kernel command line:
BOOT_IMAGE=(hd0,gpt2)/vmlinuz-5.14.16-301.fc35.x86_64 root=/dev/mapper/fedora_fedora-root
ro rd.lvm.lv=fedora_fedora/root rhgb quiet

Nov 07 20:35:26 zbox.fritz.box kernel: ==Unknown command line parameters==: rhgb
BOOT_IMAGE=(hd0,gpt2)/vmlinuz-5.14.16-301.fc35.x86_64

Strange, but it should have nothing to do with libvirt. 

Later I find:

20:35:43 zbox systemd[1]: Mounted /var/lib/libvirt

20:35:45 zbox systemd[1]: Listening on SSSD Kerberos Cache Manager responder socket.
20:35:45 zbox systemd[1]: Listening on Libvirt interface local socket.
20:35:45 zbox systemd[1]: Listening on Virtual machine lock manager socket.
20:35:45 zbox systemd[1]: Listening on Virtual machine log manager socket.
20:35:45 zbox systemd[1]: Listening on Libvirt lxc local socket.
20:35:45 zbox systemd[1]: Listening on Libvirt lxc admin socket.
20:35:45 zbox systemd[1]: Listening on Libvirt lxc local read-only socket.
20:35:45 zbox systemd[1]: Listening on Libvirt network local socket.
20:35:45 zbox systemd[1]: Listening on Libvirt nodedev local socket.
20:35:45 zbox audit: BPF prog-id=35 op=LOAD
20:35:45 zbox systemd[1]: Listening on Libvirt nwfilter local socket.
20:35:45 zbox systemd[1]: Listening on Libvirt proxy local socket.
20:35:45 zbox systemd[1]: Listening on Libvirt qemu local socket.
20:35:45 zbox systemd[1]: Listening on Libvirt qemu admin socket.
20:35:45 zbox systemd[1]: Listening on Libvirt qemu local read-only socket.
20:35:45 zbox systemd[1]: Listening on Libvirt secret local socket.
20:35:45 zbox systemd[1]: Listening on Libvirt storage local socket.
20:35:45 zbox systemd[1]: Condition check resulted in Libvirt libxl local socket being
skipped.
20:35:45 zbox systemd[1]: Condition check resulted in Libvirt libxl admin socket being
skipped.
20:35:45 zbox systemd[1]: Condition check resulted in Libvirt libxl local read-only socket
being skipped.