[Bug 1860926] Autopkgtest regression report (systemd/242-7ubuntu3.9)
Ubuntu SRU Bot
1860926 at bugs.launchpad.net
Fri May 15 09:27:32 UTC 2020
All autopkgtests for the newly accepted systemd (242-7ubuntu3.9) for eoan have finished running.
The following regressions have been reported in tests triggered by the package:
nghttp2/unknown (armhf)
pulseaudio/unknown (armhf)
docker.io/unknown (armhf)
csync2/unknown (armhf)
network-manager/unknown (armhf)
dovecot/unknown (armhf)
open-iscsi/unknown (armhf)
netplan.io/unknown (armhf)
asterisk/1:16.2.1~dfsg-2build2 (arm64)
tinyssh/unknown (armhf)
puppet/unknown (armhf)
corosync/unknown (armhf)
python-uinput/unknown (armhf)
nextepc/unknown (armhf)
debci/unknown (armhf)
pyudev/unknown (armhf)
cups/unknown (armhf)
umockdev/0.13.2-1 (armhf)
cockpit/unknown (ppc64el)
network-manager/1.20.4-2ubuntu2.2 (arm64)
nftables/unknown (armhf)
prometheus/unknown (armhf)
corosync-qdevice/unknown (armhf)
prometheus-bind-exporter/unknown (armhf)
python-systemd/unknown (armhf)
prometheus-alertmanager/unknown (armhf)
ndctl/unknown (armhf)
prometheus-apache-exporter/unknown (armhf)
dpdk/unknown (armhf)
nextepc/0.3.10+nods-3ubuntu1 (ppc64el)
dbus/unknown (armhf)
openssh/1:8.0p1-6build1 (armhf, amd64, i386, ppc64el, arm64, s390x)
openrazer/unknown (armhf)
gvfs/1.42.1-1ubuntu1 (arm64)
snapd/2.42.1+19.10 (i386)
prometheus-node-exporter/unknown (armhf)
prometheus-postgres-exporter/unknown (armhf)
python-dbusmock/unknown (armhf)
systemd/242-7ubuntu3.9 (ppc64el)
Please visit the excuses page listed below and investigate the failures, proceeding afterwards as per the StableReleaseUpdates policy regarding autopkgtest regressions [1].
https://people.canonical.com/~ubuntu-archive/proposed-
migration/eoan/update_excuses.html#systemd
[1] https://wiki.ubuntu.com/StableReleaseUpdates#Autopkgtest_Regressions
Thank you!
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https://bugs.launchpad.net/bugs/1860926
Title:
Ubuntu 20.04 Systemd fails to configure bridged network
Status in systemd package in Ubuntu:
Fix Released
Status in systemd source package in Bionic:
In Progress
Status in systemd source package in Eoan:
Fix Committed
Status in systemd source package in Focal:
Fix Committed
Status in systemd source package in Groovy:
Fix Released
Bug description:
[impact]
A bridged interface with static ipv4 address and gateway configuration
will fail to properly add the route via the gateway, leaving the
system without a globally working network.
[test case]
On a Focal system, remove all network configuration and create this
netplan:
network:
version: 2
renderer: networkd
ethernets:
enp4s0:
dhcp4: false
bridges:
br0:
interfaces: [enp4s0]
dhcp4: no
addresses: [192.168.0.4/24]
gateway4: 192.168.0.1
nameservers:
search: [mydomain]
addresses: [192.168.0.1,192.168.0.2,192.168.0.3]
Replace the interface name 'enp4s0' with the actual interface name on
the test system.
Reboot the system, and check the route to the gateway, which will be
missing:
root at lp1860926-f:~# ip r
192.168.0.0/24 dev br0 proto kernel scope link src 192.168.0.4
The route is expected to be present, e.g.:
ubuntu at lp1860926-e:~$ ip r
default via 192.168.0.1 dev br0 proto static
192.168.0.0/24 dev br0 proto kernel scope link src 192.168.0.4
[test case, pre-focal]
same netplan as above, but remove ethernets: section. Reboot, and the
bridge should have its address and route:
ubuntu at test-e:~$ ip a show br0
3: br0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN group default qlen 1000
link/ether 56:11:da:23:bb:93 brd ff:ff:ff:ff:ff:ff
inet 192.168.0.4/24 brd 192.168.0.255 scope global br0
valid_lft forever preferred_lft forever
ubuntu at test-e:~$ ip r
default via 192.168.0.1 dev br0 proto static linkdown
192.168.0.0/24 dev br0 proto kernel scope link src 192.168.0.4 linkdown
add and remove carrier, by adding and removing a slave interface:
ubuntu at test-e:~$ sudo ip l set dev ens3 master br0 up
ubuntu at test-e:~$ ip a show br0
3: br0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
link/ether 56:11:da:23:bb:93 brd ff:ff:ff:ff:ff:ff
inet 192.168.0.4/24 brd 192.168.0.255 scope global br0
valid_lft forever preferred_lft forever
inet6 fe80::5411:daff:fe23:bb93/64 scope link
valid_lft forever preferred_lft forever
ubuntu at test-e:~$ sudo ip l set dev ens3 nomaster
the bridge no longer has its address after losing carrier:
ubuntu at test-e:~$ ip a show br0
3: br0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN group default qlen 1000
link/ether 56:11:da:23:bb:93 brd ff:ff:ff:ff:ff:ff
inet6 fe80::5411:daff:fe23:bb93/64 scope link
valid_lft forever preferred_lft forever
[regression potential]
Any regression would likely involve incorrectly configured network
after an interface carrier gain/loss.
[scope]
This is needed for Focal, Eoan, and Bionic.
While this only reproduces at boot for Focal, the general loss of
configuration on carrier loss even when ConfigureWithoutCarrier=true
is reproducable on all releases except Xenial, which does not have the
ConfigureWithoutCarrier= parameter.
[original description]
Freshly installed Ubuntu 20.04 fully patched to days date with static
IP address works fine and survives a reboot
network:
version: 2
renderer: networkd
ethernets:
enp4s0:
dhcp4: false
addresses: [192.168.0.4/24]
gateway4: 192.168.0.1
nameservers:
search: [mydomain]
addresses: [192.168.0.1,192.168.0.2,192.168.0.3]
however when converted to a bridged network for kvm
network:
version: 2
renderer: networkd
ethernets:
enp4s0:
dhcp4: false
bridges:
br0:
interfaces: [enp4s0]
dhcp4: no
addresses: [192.168.0.4/24]
gateway4: 192.168.0.1
nameservers:
search: [mydomain]
addresses: [192.168.0.1,192.168.0.2,192.168.0.3]
will not survive a reboot and required systemd-network to be restarted or
@reboot /usr/sbin/netplan apply
added to the crontab
after a reboot the network can not b eaccseed and a
systemctl status systemd-networkd produces
systemd-networkd.service - Network Service
Loaded: loaded (/lib/systemd/system/systemd-networkd.service; enabled; vendor preset: enabled)
Active: active (running) since Sun 2020-01-26 16:36:28 UTC; 2min 27s ago
TriggeredBy: ● systemd-networkd.socket
Docs: man:systemd-networkd.service(8)
Main PID: 979 (systemd-network)
Status: "Processing requests..."
Tasks: 1 (limit: 57662)
Memory: 4.1M
CGroup: /system.slice/systemd-networkd.service
└─979 /lib/systemd/systemd-networkd
Jan 26 16:38:02 firebolt systemd-networkd[979]: rtnl: received neighbor for link '5' we don't know about, ignoring.
Jan 26 16:38:02 firebolt systemd-networkd[979]: virbr0-nic: rtnl: received neighbor message with invalid family, ignoring.
Jan 26 16:38:02 firebolt systemd-networkd[979]: virbr0-nic: rtnl: received neighbor message with invalid family, ignoring.
Jan 26 16:38:02 firebolt systemd-networkd[979]: virbr0: rtnl: received neighbor message with invalid family, ignoring.
Jan 26 16:38:02 firebolt systemd-networkd[979]: virbr0-nic: Link UP
Jan 26 16:38:02 firebolt systemd-networkd[979]: virbr0-nic: Gained carrier
Jan 26 16:38:02 firebolt systemd-networkd[979]: virbr0: Link UP
Jan 26 16:38:02 firebolt systemd-networkd[979]: virbr0-nic: Link DOWN
Jan 26 16:38:02 firebolt systemd-networkd[979]: virbr0-nic: Lost carrier
Jan 26 16:38:02 firebolt systemd-networkd[979]: virbr0-nic: Kernel removed an address we don't remember: fe80::5054:ff:fed9:7e26/64 (valid forever), ignoring.
systemctl restart systemd-networkd resolved the issue and a
systemctl status systemd-network producessystemd-networkd.service - Network Service
Loaded: loaded (/lib/systemd/system/systemd-networkd.service; enabled; vendor preset: enabled)
Active: active (running) since Sun 2020-01-26 16:39:28 UTC; 41s ago
TriggeredBy: ● systemd-networkd.socket
Docs: man:systemd-networkd.service(8)
Main PID: 1650 (systemd-network)
Status: "Processing requests..."
Tasks: 1 (limit: 57662)
Memory: 1.6M
CGroup: /system.slice/systemd-networkd.service
└─1650 /lib/systemd/systemd-networkd
Jan 26 16:39:28 firebolt systemd[1]: Starting Network Service...
Jan 26 16:39:28 firebolt systemd-networkd[1650]: br0: netdev ready
Jan 26 16:39:28 firebolt systemd-networkd[1650]: br0: Gained IPv6LL
Jan 26 16:39:28 firebolt systemd-networkd[1650]: Enumeration completed
Jan 26 16:39:28 firebolt systemd[1]: Started Network Service.
Jan 26 16:39:28 firebolt systemd-networkd[1650]: br0: netdev exists, using existing without changing its parameters
Jan 26 16:39:28 firebolt systemd-networkd[1650]: br0: IPv6 successfully enabled
a journalctl -u systemd-network produces
Jan 26 16:36:28 firebolt systemd[1]: Starting Network Service...
Jan 26 16:36:28 firebolt systemd-networkd[979]: br0: netdev ready
Jan 26 16:36:28 firebolt systemd-networkd[979]: Enumeration completed
Jan 26 16:36:28 firebolt systemd-networkd[979]: wlp3s0: Interface name change detected, wlp3s0 has been renamed to wlan0.
Jan 26 16:36:28 firebolt systemd[1]: Started Network Service.
Jan 26 16:36:28 firebolt systemd-networkd[979]: wlan0: Interface name change detected, wlan0 has been renamed to wlp3s0.
Jan 26 16:36:28 firebolt systemd-networkd[979]: br0: rtnl: received neighbor message with invalid family, ignoring.
Jan 26 16:36:28 firebolt systemd-networkd[979]: br0: IPv6 successfully enabled
Jan 26 16:36:28 firebolt systemd-networkd[979]: br0: Link UP
Jan 26 16:36:28 firebolt systemd-networkd[979]: br0: Gained carrier
Jan 26 16:36:28 firebolt systemd-networkd[979]: enp4s0: rtnl: received neighbor message with invalid family, ignoring.
Jan 26 16:36:28 firebolt systemd-networkd[979]: enp4s0: rtnl: received neighbor message with invalid family, ignoring.
Jan 26 16:36:28 firebolt systemd-networkd[979]: br0: rtnl: received neighbor message with invalid family, ignoring.
Jan 26 16:36:28 firebolt systemd-networkd[979]: br0: Lost carrier
Jan 26 16:36:28 firebolt systemd-networkd[979]: enp4s0: Link UP
Jan 26 16:36:28 firebolt systemd-networkd[979]: br0: Gained carrier
Jan 26 16:36:28 firebolt systemd-networkd[979]: br0: Could not set route: Network is unreachable
Jan 26 16:36:28 firebolt systemd-networkd[979]: br0: Failed
Jan 26 16:36:30 firebolt systemd-networkd[979]: br0: Lost carrier
Jan 26 16:36:31 firebolt systemd-networkd[979]: enp4s0: Gained carrier
Jan 26 16:36:31 firebolt systemd-networkd[979]: br0: Gained carrier
Jan 26 16:38:02 firebolt systemd-networkd[979]: rtnl: received neighbor for link '5' we don't know about, ignoring.
Jan 26 16:38:02 firebolt systemd-networkd[979]: virbr0-nic: rtnl: received neighbor message with invalid family, ignoring.
Jan 26 16:38:02 firebolt systemd-networkd[979]: virbr0-nic: rtnl: received neighbor message with invalid family, ignoring.
Jan 26 16:38:02 firebolt systemd-networkd[979]: virbr0: rtnl: received neighbor message with invalid family, ignoring.
Jan 26 16:38:02 firebolt systemd-networkd[979]: virbr0-nic: Link UP
Jan 26 16:38:02 firebolt systemd-networkd[979]: virbr0-nic: Gained carrier
Jan 26 16:38:02 firebolt systemd-networkd[979]: virbr0: Link UP
Jan 26 16:38:02 firebolt systemd-networkd[979]: virbr0-nic: Link DOWN
Jan 26 16:38:02 firebolt systemd-networkd[979]: virbr0-nic: Lost carrier
Jan 26 16:38:02 firebolt systemd-networkd[979]: virbr0-nic: Kernel removed an address we don't remember: fe80::5054:ff:fed9:7e26/64 (valid forever), ignoring.
Jan 26 16:39:28 firebolt systemd[1]: Stopping Network Service...
Jan 26 16:39:28 firebolt systemd[1]: systemd-networkd.service: Succeeded.
Jan 26 16:39:28 firebolt systemd[1]: Stopped Network Service.
Jan 26 16:39:28 firebolt systemd[1]: Starting Network Service...
Jan 26 16:39:28 firebolt systemd-networkd[1650]: br0: netdev ready
Jan 26 16:39:28 firebolt systemd-networkd[1650]: br0: Gained IPv6LL
Jan 26 16:39:28 firebolt systemd-networkd[1650]: Enumeration completed
Jan 26 16:39:28 firebolt systemd[1]: Started Network Service.
Jan 26 16:39:28 firebolt systemd-networkd[1650]: br0: netdev exists, using existing without changing its parameters
Jan 26 16:39:28 firebolt systemd-networkd[1650]: br0: IPv6 successfully enabled
the network should restart properly after a reboot liek in earlier
version of ubuntu 18.04 for example
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