There isn't much here to indicate anything is wrong with NetworkManager's handling of the wireless interface. This looks rather like a kernel issue, or at least the driver being confused by the device renaming done by udev rules/systemd.
Nis 12 20:07:35 instantcrush-XPS-13-9350 kernel: brcmf_c_preinit_dcmds: Firmware version = wl0: Oct 22 2015 06:16:26 version 7.35.180.119 (r594535) FWID 01-e791c176 Nis 12 20:07:35 instantcrush-XPS-13-9350 kernel: brcmf_cfg80211_reg_notifier: not a ISO3166 code Nis 12 20:07:35 instantcrush-XPS-13-9350 kernel: brcmfmac 0000:3a:00.0 wlp58s0: renamed from wlan0 [...] Nis 12 20:07:35 instantcrush-XPS-13-9350 kernel: IPv6: ADDRCONF(NETDEV_UP): wlp58s0: link is not ready Nis 12 20:07:35 instantcrush-XPS-13-9350 kernel: brcmf_add_if: ERROR: netdev:wlp58s0 already exists Nis 12 20:07:35 instantcrush-XPS-13-9350 kernel: brcmf_add_if: ignore IF event Nis 12 20:07:35 instantcrush-XPS-13-9350 kernel: IPv6: ADDRCONF(NETDEV_UP): wlp58s0: link is not ready Since we have errors from the kernel, I'm reassigning this to the linux package. ** Package changed: network-manager-applet (Ubuntu) => linux (Ubuntu) -- 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/1569484 Title: Auto Ethernet connection profile appears. Wifi does not work anymore. Status in linux package in Ubuntu: Confirmed Bug description: I ran sudo apt-get upgrade && sudo apt-get dist-upgrade. Some installation have done and Auto Ethernet profile emerged in internet settings. After those installations I could not connect to internet. My laptop is Dell xps 13 9350. I used my TP-LINK wireless adapter to be able to send you this bug. ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: network-manager-gnome 1.1.93-1ubuntu1 ProcVersionSignature: Ubuntu 4.4.0-18.34-generic 4.4.6 Uname: Linux 4.4.0-18-generic x86_64 ApportVersion: 2.20.1-0ubuntu1 Architecture: amd64 CurrentDesktop: Unity Date: Tue Apr 12 20:18:04 2016 ExecutablePath: /usr/bin/nm-connection-editor IfupdownConfig: # interfaces(5) file used by ifup(8) and ifdown(8) auto lo iface lo inet loopback InstallationDate: Installed on 2016-04-10 (1 days ago) InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Beta amd64 (20160323) IpRoute: default via 192.168.1.1 dev wlxc4e98417061b proto static metric 600 169.254.0.0/16 dev wlxc4e98417061b scope link metric 1000 192.168.1.0/24 dev wlxc4e98417061b proto kernel scope link src 192.168.1.63 metric 600 NetworkManager.state: [main] NetworkingEnabled=true WirelessEnabled=true WWANEnabled=true WimaxEnabled=true SourcePackage: network-manager-applet UpgradeStatus: No upgrade log present (probably fresh install) nmcli-con: NAME UUID TYPE TIMESTAMP TIMESTAMP-REAL AUTOCONNECT AUTOCONNECT-PRIORITY READONLY DBUS-PATH ACTIVE DEVICE STATE ACTIVE-PATH berkaywifi 1 3f5048a4-32e9-4ca5-ad31-f615ca2bc0e9 802-11-wireless 1460481455 Sal 12 Nis 2016 20:17:35 EEST yes 0 no /org/freedesktop/NetworkManager/Settings/1 yes wlxc4e98417061b activated /org/freedesktop/NetworkManager/ActiveConnection/1 berkaywifi 2 6afc325f-3765-4687-b4dd-47c17a93f185 802-11-wireless 1460480549 Sal 12 Nis 2016 20:02:29 EEST yes 0 no /org/freedesktop/NetworkManager/Settings/2 no -- -- -- nmcli-dev: DEVICE TYPE STATE DBUS-PATH CONNECTION CON-UUID CON-PATH wlxc4e98417061b wifi connected /org/freedesktop/NetworkManager/Devices/3 berkaywifi 1 3f5048a4-32e9-4ca5-ad31-f615ca2bc0e9 /org/freedesktop/NetworkManager/ActiveConnection/1 wlp58s0 ethernet disconnected /org/freedesktop/NetworkManager/Devices/1 -- -- -- lo loopback unmanaged /org/freedesktop/NetworkManager/Devices/0 -- -- -- nmcli-nm: Error: command ['nmcli', '-f', 'all', 'nm'] failed with exit code 2: Error: Object 'nm' is unknown, try 'nmcli help'. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1569484/+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
