I just upgraded from 20.10 to 21.04. This affects me too. network card is unavailable after waking from suspension.
-- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to network-manager in Ubuntu. https://bugs.launchpad.net/bugs/1931301 Title: NIC unavailable after suspend to RAM Status in network-manager package in Ubuntu: New Bug description: Upgraded to 21.04 (hirsute) and now the network card is unavailable after suspend to RAM (sleep state S3). It worked flawlessly up until 20.10. My workaround for now is unloading and reloading the kernel module, but that won't work for normal users, hence this report. NIC in its unavailable state: 2: enp4s0: <BROADCAST,MULTICAST> mtu 1500 qdisc mq state DOWN group default qlen 1000 link/ether d0:50:99:27:02:11 brd ff:ff:ff:ff:ff:ff NIC (from lspci): 04:00.0 Ethernet controller: Qualcomm Atheros Killer E220x Gigabit Ethernet Controller (rev 10) Trying to ifconfig it down/up results in: SIOCSIFFLAGS: No such device journalctl shows (right after recovering from suspend): NetworkManager[1911]: <info> [1623181236.9371] manager: sleep: wake requested (sleeping: yes enabled: yes) NetworkManager[1911]: <info> [1623181236.9372] device (enp4s0): state change: unmanaged -> unavailable (reason 'managed', sys-iface-state: 'external') NetworkManager[1911]: <info> [1623181236.9382] manager: NetworkManager state is now CONNECTED_LOCAL 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 ApportVersion: 2.20.11-0ubuntu65.1 Architecture: amd64 CasperMD5CheckResult: unknown Date: Tue Jun 8 21:59:15 2021 IfupdownConfig: # interfaces(5) file used by ifup(8) and ifdown(8) auto lo iface lo inet loopback InstallationDate: Installed on 2016-08-25 (1748 days ago) InstallationMedia: Ubuntu-MATE 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719) RfKill: SourcePackage: network-manager UpgradeStatus: Upgraded to hirsute on 2021-06-04 (4 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 enabled enabled enabled To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1931301/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
