Laptop: HP Compaq 6910p

This is the Ubuntu 14.04 3.13.0-27-generic kernel driver for the laptop
wireless:

root@laptop:~# dmesg | grep iwl
[   29.249428] iwl4965: Intel(R) Wireless WiFi 4965 driver for Linux, in-tree:
[   29.249431] iwl4965: Copyright(c) 2003-2011 Intel Corporation
[   29.249496] iwl4965 0000:10:00.0: can't disable ASPM; OS doesn't have ASPM 
control
[   29.249613] iwl4965 0000:10:00.0: Detected Intel(R) Wireless WiFi Link 
4965AGN, REV=0x4
[   29.288186] iwl4965 0000:10:00.0: device EEPROM VER=0x36, CALIB=0x5
[   29.289587] iwl4965 0000:10:00.0: Tunable channels: 11 802.11bg, 13 802.11a 
channels
[   29.289633] iwl4965 0000:10:00.0: irq 47 for MSI/MSI-X
[   29.726043] iwl4965 0000:10:00.0: loaded firmware version 228.61.2.24
[   29.747585] ieee80211 phy0: Selected rate control algorithm 'iwl-4965-rs'

This shows the wireless interface is hard blocked (which is the issue
network manager reports with the "disabled by hardware switch" message):

root@laptop:~# rfkill list
0: hci0: Bluetooth
        Soft blocked: no
        Hard blocked: no
1: phy0: Wireless LAN
        Soft blocked: yes
        Hard blocked: yes

I tried doing 'rfkill unblock all' and 'rmmod iwl4965 ; modprobe
iwl4965' to see if that would get WiFi working, but it didn't help.

I ended up booting to the Ubuntu 13.10 linux 3.11.0-20-generic kernel
(still installed from before the Ubuntu upgrade) and WiFi worked fine.
When booted to the older kernel, rfkill list properly shows "blocked:
no" for the wireless interface. So for now, this is my workaround --
running Ubuntu 14.04 with an old kernel.

Note, this doesn't seem to be a bug with network-manager itself, but the
kernel wireless drivers.

Hopefully this bug gets fixed so I don't have to run a back rev kernel.

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to network-manager in Ubuntu.
https://bugs.launchpad.net/bugs/1287827

Title:
  wifi not configurable in network-manager showing disabled by hardware
  switch

Status in “network-manager” package in Ubuntu:
  Confirmed

Bug description:
  Network manager shows Wifi is disabled by hardware switch. It worked jut 
after install but not anymore after.
  I read somewhere I can use wicd and that does work.
  iwlist wlan0 scan worked also before installing that.
  Seems like a bug in network-manager to me.
  It would be nice if NM does whatever wicd does to enable the wifi card.
  I have nog physical button for wif and wifi is enabled in the UEFI firmware.

  output of rfkill list:
  ubuntu@ubuntu-Lenovo-Yoga-2-11:~$ sudo rfkill list
  0: ideapad_wlan: Wireless LAN
        Soft blocked: no
        Hard blocked: yes
  1: ideapad_bluetooth: Bluetooth
        Soft blocked: no
        Hard blocked: yes
  3: phy0: Wireless LAN
        Soft blocked: no
        Hard blocked: no
  4: brcmwl-0: Wireless LAN
        Soft blocked: no
        Hard blocked: no
  15: hci0: Bluetooth
        Soft blocked: no
        Hard blocked: no
  ubuntu@ubuntu-Lenovo-Yoga-2-11:~$

  ubuntu@ubuntu-Lenovo-Yoga-2-11:~$ lsb_release -rd
  Description:  Ubuntu Trusty Tahr (development branch)
  Release:      14.04

  ubuntu@ubuntu-Lenovo-Yoga-2-11:~$ apt-cache policy network-manager
  network-manager:
    Installed: 0.9.8.8-0ubuntu4
    Candidate: 0.9.8.8-0ubuntu4
    Version table:
   *** 0.9.8.8-0ubuntu4 0
          500 http://nl.archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages
          100 /var/lib/dpkg/status

  ubuntu@ubuntu-Lenovo-Yoga-2-11:~$ apt-cache policy network-manager-gnome
  network-manager-gnome:
    Installed: 0.9.8.4-1ubuntu3
    Candidate: 0.9.8.4-1ubuntu3
    Version table:
   *** 0.9.8.4-1ubuntu3 0
          500 http://nl.archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages
          100 /var/lib/dpkg/status

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: network-manager 0.9.8.8-0ubuntu4
  ProcVersionSignature: Ubuntu 3.13.0-14.34-generic 3.13.5
  Uname: Linux 3.13.0-14-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.13.2-0ubuntu5
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Tue Mar  4 18:39:18 2014
  IfupdownConfig:
   # interfaces(5) file used by ifup(8) and ifdown(8)
   auto lo
   iface lo inet loopback
  InstallationDate: Installed on 2014-03-04 (0 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20140303)
  IpRoute:
   default via 192.168.1.1 dev wlan0 
   192.168.1.0/24 dev wlan0  proto kernel  scope link  src 192.168.1.115
  NetworkManager.state:
   [main]
   NetworkingEnabled=true
   WirelessEnabled=true
   WWANEnabled=true
   WimaxEnabled=true
  SourcePackage: network-manager
  UpgradeStatus: No upgrade log present (probably fresh install)
  mtime.conffile..etc.NetworkManager.NetworkManager.conf: 
2014-03-04T14:08:55.818581
  nmcli-con:
   NAME                      UUID                                   TYPE        
      TIMESTAMP    TIMESTAMP-REAL                     AUTOCONNECT   READONLY   
DBUS-PATH                                 
   thuis-                    17338c5c-1ba4-4ed4-ac63-bf2ab23734e2   
802-11-wireless   0            never                              yes           
no         /org/freedesktop/NetworkManager/Settings/0
  nmcli-dev:
   DEVICE     TYPE              STATE         DBUS-PATH                         
         
   wlan0      802-11-wireless   unavailable   
/org/freedesktop/NetworkManager/Devices/1
  nmcli-nm:
   RUNNING         VERSION    STATE           NET-ENABLED   WIFI-HARDWARE   
WIFI       WWAN-HARDWARE   WWAN      
   running         0.9.8.8    disconnected    enabled       disabled        
disabled   enabled         enabled

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