I tried this, but it didn't help for me. I don't have wired LAN in use (eth0 is not connected), so I also tried to adapt change for wlan0, but ethtool doesn't give any info for wlan0 and setting wol mode doesn't work:
$ sudo ethtool wlan0 Settings for wlan0: No data available Based on network manager prints in journal, I can see that it takes the branch with "device_is_wake_on_lan" for wlan0 disabling device *after* resume. So, it might be that wol support/status is somehow incorrectly defined (I'm not trying to use wake on wlan): kesä 16 18:41:48 juha-MacBook NetworkManager[670]: <info> wake requested (sleeping: yes enabled: yes) kesä 16 18:41:48 juha-MacBook NetworkManager[670]: <info> waking up... kesä 16 18:41:48 juha-MacBook NetworkManager[670]: <info> (wlan0): device state change: activated -> unmanaged (reason 'sleeping') [100 10 37] kesä 16 18:41:48 juha-MacBook NetworkManager[670]: <info> (wlan0): deactivating device (reason 'sleeping') [37] After forcing nm_platform_link_get_wake_on_lan() to return false for wifi: heinä 14 23:04:19 juha-MacBook NetworkManager[685]: <info> wake requested (sleeping: yes enabled: yes) heinä 14 23:04:19 juha-MacBook NetworkManager[685]: <info> waking up... heinä 14 23:04:19 juha-MacBook NetworkManager[685]: <info> (wlan0): device state change: unmanaged -> unavailable (reason 'managed') [ heinä 14 23:04:19 juha-MacBook NetworkManager[685]: <info> (wlan0): preparing device Used kernel driver is wl: $ lspci -v -s 2:0.0 02:00.0 Network controller: Broadcom Corporation BCM4321 802.11a/b/g/n (rev 03) Subsystem: Apple Inc. AirPort Extreme Physical Slot: 4 Flags: bus master, fast devsel, latency 0, IRQ 16 Memory at 90500000 (64-bit, non-prefetchable) [size=16K] Memory at 90000000 (64-bit, prefetchable) [size=1M] Capabilities: <access denied> Kernel driver in use: wl -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1270257 Title: NetworkManager failed to function after suspend and resume To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1270257/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs