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[HugoHirsch <1385059@xxxxxxxxxxxxxxxxxx>]

Thanks for pointing me to the Mainline Builds. When I tried to install
"linux-headers-3.18.0-031800rc1-generic_3.18.0-031800rc1.201410192135_i386.deb" et.al. I ran into the problem described in #1358966.

I'm not sure if the proposed patch would help to solve my problem -
after further debugging it seems that the pure hardware itself seems to
be recognized, but a wireless network connection cannot be established:

<log>
Oct 24 22:35:04 box NetworkManager[804]: <info> Activation (wlan0)
Stage 2 of 5 (Device Configure) starting...
Oct 24 22:35:04 box NetworkManager[804]: <info> (wlan0): device
state change: prepare -> config (reason 'none') [40 50 0]
Oct 24 22:35:04 box NetworkManager[804]: <info> Activation
(wlan0/wireless): connection 'SSID' has security, and secrets
exist.  No new secrets needed.
Oct 24 22:35:04 box NetworkManager[804]: <info> Config: added
'ssid' value 'SSID'
Oct 24 22:35:04 box NetworkManager[804]: <info> Config: added
'scan_ssid' value '1'
Oct 24 22:35:04 box NetworkManager[804]: <info> Config: added
'key_mgmt' value 'WPA-PSK'
Oct 24 22:35:04 box NetworkManager[804]: <info> Config: added 'psk'
value '<omitted>'
Oct 24 22:35:04 box NetworkManager[804]: <info> Activation (wlan0)
Stage 2 of 5 (Device Configure) complete.
Oct 24 22:35:04 box NetworkManager[804]: <info> Config: set
interface ap_scan to 1
Oct 24 22:35:05 box NetworkManager[804]: <info> (wlan0): supplicant
interface state: inactive -> scanning
Oct 24 22:35:30 box NetworkManager[804]: <warn> Activation
(wlan0/wireless): association took too long, failing activation.
Oct 24 22:35:30 box NetworkManager[804]: <info> (wlan0): device
state change: config -> failed (reason 'SSID not found') [50 120 53]
Oct 24 22:35:30 box NetworkManager[804]: <info> NetworkManager
state is now DISCONNECTED
Oct 24 22:35:30 box NetworkManager[804]: <warn> Activation (wlan0)
failed for connection 'SSID'
Oct 24 22:35:30 box NetworkManager[804]: <info> (wlan0): device
state change: failed -> disconnected (reason 'none') [120 30 0]
Oct 24 22:35:30 box NetworkManager[804]: <info> (wlan0):
deactivating device (reason 'none') [0]
Oct 24 22:35:30 box NetworkManager[804]: <info> (wlan0): supplicant
interface state: scanning -> disconnected
Oct 24 22:35:30 box NetworkManager[804]: <warn> Couldn't disconnect
supplicant interface: This interface is not connected.
Oct 24 22:36:09 box NetworkManager[804]: <info> Activation (wlan0)
starting connection 'HOME'
Oct 24 22:36:09 box NetworkManager[804]: <info> (wlan0): device
state change: disconnected -> prepare (reason 'none') [30 40 0]
Oct 24 22:36:09 box NetworkManager[804]: <info> NetworkManager
state is now CONNECTING
Oct 24 22:36:09 box NetworkManager[804]: <info> Activation (wlan0)
Stage 1 of 5 (Device Prepare) scheduled...
Oct 24 22:36:09 box NetworkManager[804]: <info> Activation (wlan0)
Stage 1 of 5 (Device Prepare) started...
Oct 24 22:36:09 box NetworkManager[804]: <info> Activation (wlan0)
Stage 2 of 5 (Device Configure) scheduled...
Oct 24 22:36:09 box NetworkManager[804]: <info> Activation (wlan0)
Stage 1 of 5 (Device Prepare) complete.
Oct 24 22:36:09 box NetworkManager[804]: <info> Activation (wlan0)
Stage 2 of 5 (Device Configure) starting...
Oct 24 22:36:09 box NetworkManager[804]: <info> (wlan0): device
state change: prepare -> config (reason 'none') [40 50 0]
Oct 24 22:36:09 box NetworkManager[804]: <info> Activation
(wlan0/wireless): connection 'HOME' has security, and secrets exist.  No
new secrets needed.
Oct 24 22:36:09 box NetworkManager[804]: <info> Config: added
'ssid' value 'SSID'
Oct 24 22:36:09 box NetworkManager[804]: <info> Config: added
'scan_ssid' value '1'
Oct 24 22:36:09 box NetworkManager[804]: <info> Config: added
'key_mgmt' value 'WPA-PSK'
Oct 24 22:36:09 box NetworkManager[804]: <info> Config: added 'psk'
value '<omitted>'
Oct 24 22:36:09 box NetworkManager[804]: <info> Activation (wlan0)
Stage 2 of 5 (Device Configure) complete.
Oct 24 22:36:09 box NetworkManager[804]: <info> Config: set
interface ap_scan to 1
Oct 24 22:36:09 box NetworkManager[804]: <info> (wlan0): supplicant
interface state: disconnected -> scanning
Oct 24 22:36:34 box NetworkManager[804]: <warn> Activation
(wlan0/wireless): association took too long, failing activation.
Oct 24 22:36:34 box NetworkManager[804]: <info> (wlan0): device
state change: config -> failed (reason 'SSID not found') [50 120 53]
Oct 24 22:36:34 box NetworkManager[804]: <info> NetworkManager
state is now DISCONNECTED
Oct 24 22:36:34 box NetworkManager[804]: <warn> Activation (wlan0)
failed for connection 'HOME'
Oct 24 22:36:34 box NetworkManager[804]: <info> (wlan0): device
state change: failed -> disconnected (reason 'none') [120 30 0]
Oct 24 22:36:34 box NetworkManager[804]: <info> (wlan0):
deactivating device (reason 'none') [0]
Oct 24 22:36:34 box NetworkManager[804]: <info> (wlan0): supplicant
interface state: scanning -> disconnected
</log>

After rebooting into the new kernel the trackpad did not work and due to
the missing module no WLAN was available.

** Changed in: linux (Ubuntu)
       Status: Incomplete => Confirmed

** Tags added: kernel-unable-to-test-upstream

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https://bugs.launchpad.net/bugs/1385059

Title:
  no wlan on lenovo s10e - Broadcom Corporation BCM4312 802.11b/g LP-PHY
  (rev 01)

Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  The WLAN does not work anymore - the driver seems to be loaded since
  the hardware light flashes blue/purple, but the device is unable to
  connect to any WLAN.

  This happens after updating to 14.10 on
  Linux box 3.16.0-23-generic #31-Ubuntu SMP Tue Oct 21 18:00:35 UTC 2014 i686 i686 i686 GNU/Linux
  lenovo s10e
  04:00.0 Network controller: Broadcom Corporation BCM4312 802.11b/g LP-PHY (rev 01)

  
  dmesg shows

  [ 1253.135793] ERROR @wl_dev_intvar_get : error (-1)
  [ 1253.135805] ERROR @wl_cfg80211_get_tx_power : error (-1)

  ProblemType: Bug
  DistroRelease: Ubuntu 14.10
  Package: linux-image-3.16.0-23-generic 3.16.0-23.31
  ProcVersionSignature: Ubuntu 3.16.0-23.31-generic 3.16.4
  Uname: Linux 3.16.0-23-generic i686
  NonfreeKernelModules: wl
  ApportVersion: 2.14.7-0ubuntu8
  Architecture: i386
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  hirsch     2758 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Fri Oct 24 08:13:35 2014
  EcryptfsInUse: Yes
  HibernationDevice: RESUME=UUID=cef59770-4af9-4efd-b1a8-f3b9e6fdf30f
  InstallationDate: Installed on 2013-01-14 (647 days ago)
  InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release i386 (20121017.2)
  MachineType: LENOVO 40684KG
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-23-generic root=UUID=57ea19ce-b54f-4b7c-975c-b11064321210 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.16.0-23-generic N/A
   linux-backports-modules-3.16.0-23-generic  N/A
   linux-firmware                             1.138
  SourcePackage: linux
  UpgradeStatus: Upgraded to utopic on 2014-10-23 (0 days ago)
  dmi.bios.date: 10/11/2010
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 14CNA0WW
  dmi.board.name: Kuril
  dmi.board.vendor: Lenovo
  dmi.board.version: Rev 1.0
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: Lenovo
  dmi.chassis.version: Rev 1.0
  dmi.modalias: dmi:bvnLENOVO:bvr14CNA0WW:bd10/11/2010:svnLENOVO:pn40684KG:pvrLenovo:rvnLenovo:rnKuril:rvrRev1.0:cvnLenovo:ct10:cvrRev1.0:
  dmi.product.name: 40684KG
  dmi.product.version: Lenovo
  dmi.sys.vendor: LENOVO

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