I have the same problem. Ther was not a problem with Linux Mint 19 Tara
(Ubuntu 18.04) and kernel 4.13. Most posts here seem to be associated
with Realtek eternet controllers, mine is an Intel I218-LM.
Since kernel 4.15 updates (now automatic on Linux Mint 19) problem
occurs. With latest 4.15.0.29-generic, it occurs on every wakeup and on
wake from sleep.
Tail of demsg output after wakeup from suspend, and network does not
start:
[ 6728.148319] IPv6: ADDRCONF(NETDEV_UP): enp0s25: link is not ready
[ 6728.186196] Bluetooth: hci0: Intel firmware patch completed and activated
[ 6728.358921] IPv6: ADDRCONF(NETDEV_UP): enp0s25: link is not ready
[ 6728.359892] IPv6: ADDRCONF(NETDEV_UP): wlp3s0: link is not ready
[ 6731.311560] e1000e: enp0s25 NIC Link is Up 10 Mbps Full Duplex, Flow
Control: Rx/Tx
[ 6731.311564] e1000e 0000:00:19.0 enp0s25: 10/100 speed: disabling TSO
[ 6731.311594] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s25: link becomes ready
[ 6784.144561] e1000e: enp0s25 NIC Link is Down
At this point, I unplug the ethernet cable from the laptop, wait 2 seconds, and
re-plug, and this line immediately follows:
[ 6795.074983] e1000e: enp0s25 NIC Link is Up 1000 Mbps Full Duplex, Flow
Control: Rx/Tx
$ inxi -S -n -N
System: Host: Manjusri Kernel: 4.15.0-29-generic x86_64 bits: 64 Desktop:
Xfce 4.12.3
Distro: Linux Mint 19 Tara
Network: Card-1: Intel Ethernet Connection I218-LM driver: e1000e
IF: enp0s25 state: up speed: 1000 Mbps duplex: full mac:
68:f7:28:52:e4:08
Card-2: Intel Wireless 7260 driver: iwlwifi
IF: wlp3s0 state: down mac: 7c:7a:91:31:dc:bf
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https://bugs.launchpad.net/bugs/1752772
Title:
r8169 ethernet card don't work after returning from suspension
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