Public bug reported:
Since upgrading to Ubuntu 21.04 (Hirsute), every time I suspend the
system and then resume it later, my wired network connection (in my
case, interface `enp4s0`) fails to connect and NetworkManager simply
reports that activating the connection failed, even though the
connection worked fine before the suspend.
Studying the NetworkManager logs shows the following lines multiple times:
NetworkManager[114707]: <info> [1624027125.5781] device (enp4s0): Activation:
starting connection 'Wired connection 1' (65460d17-322e-343a-90a6-1f00ac9c86b7)
NetworkManager[114707]: <info> [1624027125.5785] device (enp4s0): state
change: disconnected -> prepare (reason 'none', sys-iface-state: 'managed')
NetworkManager[114707]: <info> [1624027125.5788] manager: NetworkManager state
is now CONNECTING
[114707]: <info> [1624027125.5790] device (enp4s0): state change: prepare ->
config (reason 'none', sys-iface-state: 'managed')
[114707]: <info> [1624027125.5794] device (enp4s0): state change: config ->
failed (reason 'config-failed', sys-iface-state: 'managed')
[114707]: <info> [1624027125.5797] manager: NetworkManager state is now
DISCONNECTED
[114707]: <warn> [1624027125.5803] device (enp4s0): Activation: failed for
connection 'Wired connection 1'
I tried restarting NetworkManager but to no success. As far as I know,
only rebooting the system solves the problem. `ifconfig` shows the
interface with no ip address.
I attached the full NetworkManager log to this report. At 16:03, the
computer is suspended and it wakes up at 16:30. At 16:38 I tried
manually restarting NetworkManager but to no success.
ProblemType: Bug
DistroRelease: Ubuntu 21.04
Package: network-manager 1.30.0-1ubuntu3
ProcVersionSignature: Ubuntu 5.11.0-18.19-generic 5.11.17
Uname: Linux 5.11.0-18-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu65.1
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: ubuntu:GNOME
Date: Fri Jun 18 17:09:50 2021
InstallationDate: Installed on 2020-03-24 (450 days ago)
InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017)
IpRoute:
default via 192.168.178.1 dev enp4s0 proto dhcp metric 100
169.254.0.0/16 dev enp4s0 scope link metric 1000
172.17.0.0/16 dev docker0 proto kernel scope link src 172.17.0.1 linkdown
172.18.0.0/16 dev br-b2b3c83d858b proto kernel scope link src 172.18.0.1
192.168.178.0/24 dev enp4s0 proto kernel scope link src 192.168.178.13 metric
100
RfKill:
0: phy0: Wireless LAN
Soft blocked: yes
Hard blocked: no
SourcePackage: network-manager
UpgradeStatus: Upgraded to hirsute on 2021-06-03 (15 days ago)
nmcli-nm:
RUNNING VERSION STATE STARTUP CONNECTIVITY NETWORKING WIFI-HW WIFI
WWAN-HW WWAN
running 1.30.0 connected started full enabled enabled
disabled enabled enabled
** Affects: network-manager (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug hirsute
** Attachment added: "NetworkManager log showing the problem"
https://bugs.launchpad.net/bugs/1932569/+attachment/5505586/+files/trimmed_networkmanager_log.txt
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https://bugs.launchpad.net/bugs/1932569
Title:
NetworkManager fails to activate wired connection after resume from
suspend
Status in network-manager package in Ubuntu:
New
Bug description:
Since upgrading to Ubuntu 21.04 (Hirsute), every time I suspend the
system and then resume it later, my wired network connection (in my
case, interface `enp4s0`) fails to connect and NetworkManager simply
reports that activating the connection failed, even though the
connection worked fine before the suspend.
Studying the NetworkManager logs shows the following lines multiple times:
NetworkManager[114707]: <info> [1624027125.5781] device (enp4s0):
Activation: starting connection 'Wired connection 1'
(65460d17-322e-343a-90a6-1f00ac9c86b7)
NetworkManager[114707]: <info> [1624027125.5785] device (enp4s0): state
change: disconnected -> prepare (reason 'none', sys-iface-state: 'managed')
NetworkManager[114707]: <info> [1624027125.5788] manager: NetworkManager
state is now CONNECTING
[114707]: <info> [1624027125.5790] device (enp4s0): state change: prepare ->
config (reason 'none', sys-iface-state: 'managed')
[114707]: <info> [1624027125.5794] device (enp4s0): state change: config ->
failed (reason 'config-failed', sys-iface-state: 'managed')
[114707]: <info> [1624027125.5797] manager: NetworkManager state is now
DISCONNECTED
[114707]: <warn> [1624027125.5803] device (enp4s0): Activation: failed for
connection 'Wired connection 1'
I tried restarting NetworkManager but to no success. As far as I know,
only rebooting the system solves the problem. `ifconfig` shows the
interface with no ip address.
I attached the full NetworkManager log to this report. At 16:03, the
computer is suspended and it wakes up at 16:30. At 16:38 I tried
manually restarting NetworkManager but to no success.
ProblemType: Bug
DistroRelease: Ubuntu 21.04
Package: network-manager 1.30.0-1ubuntu3
ProcVersionSignature: Ubuntu 5.11.0-18.19-generic 5.11.17
Uname: Linux 5.11.0-18-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu65.1
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: ubuntu:GNOME
Date: Fri Jun 18 17:09:50 2021
InstallationDate: Installed on 2020-03-24 (450 days ago)
InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017)
IpRoute:
default via 192.168.178.1 dev enp4s0 proto dhcp metric 100
169.254.0.0/16 dev enp4s0 scope link metric 1000
172.17.0.0/16 dev docker0 proto kernel scope link src 172.17.0.1 linkdown
172.18.0.0/16 dev br-b2b3c83d858b proto kernel scope link src 172.18.0.1
192.168.178.0/24 dev enp4s0 proto kernel scope link src 192.168.178.13
metric 100
RfKill:
0: phy0: Wireless LAN
Soft blocked: yes
Hard blocked: no
SourcePackage: network-manager
UpgradeStatus: Upgraded to hirsute on 2021-06-03 (15 days ago)
nmcli-nm:
RUNNING VERSION STATE STARTUP CONNECTIVITY NETWORKING WIFI-HW
WIFI WWAN-HW WWAN
running 1.30.0 connected started full enabled enabled
disabled enabled enabled
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