Did this issue start happening after an update/upgrade? Was there a prior kernel version where you were not having this particular problem?
Would it be possible for you to test the latest upstream kernel? Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest v4.16 kernel[0]. If this bug is fixed in the mainline kernel, please add the following tag 'kernel-fixed-upstream'. If the mainline kernel does not fix this bug, please add the tag: 'kernel-bug-exists-upstream'. Once testing of the upstream kernel is complete, please mark this bug as "Confirmed". Thanks in advance. [0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.16-rc4 ** Changed in: linux (Ubuntu) Importance: Undecided => Medium -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1753438 Title: Redpine: Sometimes Wi-Fi connection shows "unavailable" after resume from WoWLAN S4. WLAN can be recover after reboot or reloading WIFI driver. Status in linux package in Ubuntu: Incomplete Bug description: Following are steps to reproduce the issue: 1. Ensure WoWLAN is enabled in BIOS. 2. Initiate connection to an AP (using nmcli) 3. Configure the device for WoWLAN, run the command: $ sudo iw phy phy0 wowlan enable magic-packet 4. Enter S4 (using hibernate) 5. From another computer on the same network run the following command: $ wakeonlan {mac} 6. Check network states and WIFI shows "Unavailable" To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1753438/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
