wifi don't work in 15.04 with BCM43142 card

[carlos]

wifi and bluetooth don't work with ubuntu 14.04, 15.04 and 15.10; the wifi interface is the BCM43142; the computer model is sony vaio SVF14A1/SVF15A1

next, some reports of ubuntu 15.04

To run a command as administrator (user "root"), use "sudo <command>".
See "man sudo_root" for details.

carlos@core:~$ sudo apt-get purge bcmwl-kernel-source
[sudo] password for carlos:
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following package was automatically installed and is no longer required:
  dkms
Use 'apt-get autoremove' to remove it.
The following packages will be REMOVED:
  bcmwl-kernel-source*
0 upgraded, 0 newly installed, 1 to remove and 273 not upgraded.
After this operation, 8.038 kB disk space will be freed.
Do you want to continue? [Y/n] Y
(Reading database ... 172527 files and directories currently installed.)
Removing bcmwl-kernel-source (6.30.223.248+bdcom-0ubuntu2) ...
Removing all DKMS Modules
Done.
update-initramfs: deferring update (trigger activated)
Purging configuration files for bcmwl-kernel-source (6.30.223.248+bdcom-0ubuntu2) ...
update-initramfs: deferring update (trigger activated)
Processing triggers for initramfs-tools (0.103ubuntu15) ...
update-initramfs: Generating /boot/initrd.img-3.19.0-15-generic

carlos@core:~$ sudo add-apt-repository ppa:longsleep/bcmwl
 Packaging for Broadcom wireless driver found at http://www.broadcom.com/support/802.11/linux_sta.php
 More info: https://launchpad.net/~longsleep/+archive/ubuntu/bcmwl
Press [ENTER] to continue or ctrl-c to cancel adding it

gpg: keyring `/tmp/tmpo1ty_h_8/secring.gpg' created
gpg: keyring `/tmp/tmpo1ty_h_8/pubring.gpg' created
gpg: requesting key 56A3D45E from hkp server keyserver.ubuntu.com
gpg: /tmp/tmpo1ty_h_8/trustdb.gpg: trustdb created
gpg: key 56A3D45E: public key "Launchpad PPA for Simon Eisenmann" imported
gpg: Total number processed: 1
gpg: imported: 1 (RSA: 1)
OK
carlos@core:~$ sudo apt-get update
Get:1 http://security.ubuntu.com vivid-security InRelease [64,4 kB]
Ign http://ppa.launchpad.net vivid InRelease
Hit http://ar.archive.ubuntu.com vivid InRelease
Get:2 http://ppa.launchpad.net vivid Release.gpg [316 B]
Hit http://ar.archive.ubuntu.com vivid-updates InRelease
Get:3 http://ppa.launchpad.net vivid Release [15,1 kB]
Get:4 http://security.ubuntu.com vivid-security/main Sources [46,7 kB]
Hit http://ar.archive.ubuntu.com vivid-backports InRelease
Get:5 http://security.ubuntu.com vivid-security/restricted Sources [2.792 B]
Get:6 http://security.ubuntu.com vivid-security/universe Sources [18,0 kB]
Get:7 http://ppa.launchpad.net vivid/main amd64 Packages [613 B]
Get:8 http://security.ubuntu.com vivid-security/multiverse Sources [1.957 B]
Get:9 http://ppa.launchpad.net vivid/main i386 Packages [614 B]
Get:10 http://security.ubuntu.com vivid-security/main amd64 Packages [124 kB]
Get:11 http://ppa.launchpad.net vivid/main Translation-en [267 B]
Get:12 http://security.ubuntu.com vivid-security/restricted amd64 Packages [10,4 kB]
Get:13 http://security.ubuntu.com vivid-security/universe amd64 Packages [58,0 kB]
Get:14 http://security.ubuntu.com vivid-security/multiverse amd64 Packages [5.195 B]
Get:15 http://security.ubuntu.com vivid-security/main i386 Packages [123 kB]
Get:16 http://security.ubuntu.com vivid-security/restricted i386 Packages [10,2 kB]
Get:17 http://security.ubuntu.com vivid-security/universe i386 Packages [57,9 kB]
Get:18 http://security.ubuntu.com vivid-security/multiverse i386 Packages [5.394 B]
Hit http://security.ubuntu.com vivid-security/main Translation-en
Hit http://security.ubuntu.com vivid-security/multiverse Translation-en
Hit http://security.ubuntu.com vivid-security/restricted Translation-en
Hit http://security.ubuntu.com vivid-security/universe Translation-en
Hit http://ar.archive.ubuntu.com vivid/main Sources
Hit http://ar.archive.ubuntu.com vivid/restricted Sources
Hit http://ar.archive.ubuntu.com vivid/universe Sources
Hit http://ar.archive.ubuntu.com vivid/multiverse Sources
Hit http://ar.archive.ubuntu.com vivid/main amd64 Packages
Hit http://ar.archive.ubuntu.com vivid/restricted amd64 Packages
Hit http://ar.archive.ubuntu.com vivid/universe amd64 Packages
Hit http://ar.archive.ubuntu.com vivid/multiverse amd64 Packages
Hit http://ar.archive.ubuntu.com vivid/main i386 Packages
Hit http://ar.archive.ubuntu.com vivid/restricted i386 Packages
Hit http://ar.archive.ubuntu.com vivid/universe i386 Packages
Hit http://ar.archive.ubuntu.com vivid/multiverse i386 Packages
Hit http://ar.archive.ubuntu.com vivid/main Translation-en
Hit http://ar.archive.ubuntu.com vivid/multiverse Translation-en
Hit http://ar.archive.ubuntu.com vivid/restricted Translation-en
Hit http://ar.archive.ubuntu.com vivid/universe Translation-en
Hit http://ar.archive.ubuntu.com vivid-updates/main Sources
Hit http://ar.archive.ubuntu.com vivid-updates/restricted Sources
Hit http://ar.archive.ubuntu.com vivid-updates/universe Sources
Hit http://ar.archive.ubuntu.com vivid-updates/multiverse Sources
Hit http://ar.archive.ubuntu.com vivid-updates/main amd64 Packages
Hit http://ar.archive.ubuntu.com vivid-updates/restricted amd64 Packages
Hit http://ar.archive.ubuntu.com vivid-updates/universe amd64 Packages
Hit http://ar.archive.ubuntu.com vivid-updates/multiverse amd64 Packages
Hit http://ar.archive.ubuntu.com vivid-updates/main i386 Packages
Hit http://ar.archive.ubuntu.com vivid-updates/restricted i386 Packages
Hit http://ar.archive.ubuntu.com vivid-updates/universe i386 Packages
Hit http://ar.archive.ubuntu.com vivid-updates/multiverse i386 Packages
Hit http://ar.archive.ubuntu.com vivid-updates/main Translation-en
Hit http://ar.archive.ubuntu.com vivid-updates/multiverse Translation-en
Hit http://ar.archive.ubuntu.com vivid-updates/restricted Translation-en
Hit http://ar.archive.ubuntu.com vivid-updates/universe Translation-en
Hit http://ar.archive.ubuntu.com vivid-backports/main Sources
Hit http://ar.archive.ubuntu.com vivid-backports/restricted Sources
Hit http://ar.archive.ubuntu.com vivid-backports/universe Sources
Hit http://ar.archive.ubuntu.com vivid-backports/multiverse Sources
Hit http://ar.archive.ubuntu.com vivid-backports/main amd64 Packages
Hit http://ar.archive.ubuntu.com vivid-backports/restricted amd64 Packages
Hit http://ar.archive.ubuntu.com vivid-backports/universe amd64 Packages
Hit http://ar.archive.ubuntu.com vivid-backports/multiverse amd64 Packages
Hit http://ar.archive.ubuntu.com vivid-backports/main i386 Packages
Hit http://ar.archive.ubuntu.com vivid-backports/restricted i386 Packages
Hit http://ar.archive.ubuntu.com vivid-backports/universe i386 Packages
Hit http://ar.archive.ubuntu.com vivid-backports/multiverse i386 Packages
Hit http://ar.archive.ubuntu.com vivid-backports/main Translation-en
Hit http://ar.archive.ubuntu.com vivid-backports/multiverse Translation-en
Hit http://ar.archive.ubuntu.com vivid-backports/restricted Translation-en
Hit http://ar.archive.ubuntu.com vivid-backports/universe Translation-en
Fetched 545 kB in 39s (13,7 kB/s)
Reading package lists... Done

carlos@core:~$ sudo apt-get install bcmwl-kernel-source
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following NEW packages will be installed:
  bcmwl-kernel-source
0 upgraded, 1 newly installed, 0 to remove and 273 not upgraded.
Need to get 1.515 kB of archives.
After this operation, 8.045 kB of additional disk space will be used.
Get:1 http://ppa.launchpad.net/longsleep/bcmwl/ubuntu/ vivid/main bcmwl-kernel-source amd64 6.30.223.248+bdcom-1longsleep2 [1.515 kB]
Fetched 1.515 kB in 3s (428 kB/s)
Selecting previously unselected package bcmwl-kernel-source.
(Reading database ... 172453 files and directories currently installed.)
Preparing to unpack .../bcmwl-kernel-source_6.30.223.248+bdcom-1longsleep2_amd64.deb ...
Unpacking bcmwl-kernel-source (6.30.223.248+bdcom-1longsleep2) ...
Setting up bcmwl-kernel-source (6.30.223.248+bdcom-1longsleep2) ...
Loading new bcmwl-6.30.223.248+bdcom DKMS files...
First Installation: checking all kernels...
Building only for 3.19.0-15-generic
Building for architecture x86_64
Building initial module for 3.19.0-15-generic
Done.

wl:
Running module version sanity check.
 - Original module
   - No original module exists within this kernel
 - Installation
   - Installing to /lib/modules/3.19.0-15-generic/updates/dkms/

depmod....

DKMS: install completed.
update-initramfs: deferring update (trigger activated)
Processing triggers for initramfs-tools (0.103ubuntu15) ...
update-initramfs: Generating /boot/initrd.img-3.19.0-15-generic

carlos@core:~$ sudo su
[sudo] password for carlos:
root@core:/home/carlos# cd
root@core:~# iw dev
phy#0
 Interface wlan0
  ifindex 3
  wdev 0x1
  addr 0c:84:dc:fa:c1:11
  ssid TP-LINK_FB8564
  type managed
root@core:~# ip link set wlan0 up
root@core:~# iw wlan0 scan
BSS 30:b5:c2:b3:bf:21(on wlan0)
 TSF: 0 usec (0d, 00:00:00)
 freq: 2412
 beacon interval: 100 TUs
 capability: ESS Privacy ShortPreamble (0x0031)
 signal: -37.00 dBm
 last seen: 0 ms ago
 SSID: TP-LINK_FB8564
 Supported rates: 1.0* 2.0* 5.5* 11.0* 6.0 9.0 12.0 18.0
 DS Parameter set: channel 1
 TIM: DTIM Count 0 DTIM Period 1 Bitmap Control 0x0 Bitmap[0] 0x0
 Country: AR Environment: Indoor/Outdoor
  Channels [1 - 13] @ 20 dBm
 ERP: Barker_Preamble_Mode
 RSN: * Version: 1
   * Group cipher: TKIP
   * Pairwise ciphers: CCMP TKIP
   * Authentication suites: PSK
   * Capabilities: 1-PTKSA-RC 1-GTKSA-RC (0x0000)
 Extended supported rates: 24.0 36.0 48.0 54.0
 HT capabilities:
  Capabilities: 0x11ef
   RX LDPC
   HT20/HT40
   SM Power Save disabled
   RX HT20 SGI
   RX HT40 SGI
   TX STBC
   RX STBC 1-stream
   Max AMSDU length: 3839 bytes
   DSSS/CCK HT40
  Maximum RX AMPDU length 65535 bytes (exponent: 0x003)
  Minimum RX AMPDU time spacing: No restriction (0x00)
  HT RX MCS rate indexes supported: 0-15
  HT TX MCS rate indexes are undefined
 HT operation:
   * primary channel: 1
   * secondary channel offset: above
   * STA channel width: any
   * RIFS: 0
   * HT protection: nonmember
   * non-GF present: 1
   * OBSS non-GF present: 0
   * dual beacon: 0
   * dual CTS protection: 0
   * STBC beacon: 0
   * L-SIG TXOP Prot: 0
   * PCO active: 0
   * PCO phase: 0
 WPA: * Version: 1
   * Group cipher: TKIP
   * Pairwise ciphers: CCMP TKIP
   * Authentication suites: PSK
 WMM: * Parameter version 1
   * u-APSD
   * BE: CW 15-1023, AIFSN 3
   * BK: CW 15-1023, AIFSN 7
   * VI: CW 7-15, AIFSN 2, TXOP 3008 usec
   * VO: CW 3-7, AIFSN 2, TXOP 1504 usec

root@core:~# sudo iwlist wlan0 scanning | grep Address
          Cell 01 - Address: 30:B5:C2:B3:BF:21
          Cell 02 - Address: C0:4A:00:FB:85:64

root@core:~# iw wlan0 link
Not connected.
root@core:~# ifconfig
eth0 Link encap:Ethernet HWaddr 54:53:ed:d3:ff:8b
          UP BROADCAST MULTICAST MTU:1500 Metric:1
          RX packets:8 errors:0 dropped:0 overruns:0 frame:0
          TX packets:32 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:1044 (1.0 KB) TX bytes:6122 (6.1 KB)

lo Link encap:Local Loopback
          inet addr:127.0.0.1 Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING MTU:65536 Metric:1
          RX packets:2718 errors:0 dropped:0 overruns:0 frame:0
          TX packets:2718 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:189222 (189.2 KB) TX bytes:189222 (189.2 KB)

wlan0 Link encap:Ethernet HWaddr 0c:84:dc:fa:c1:11
          UP BROADCAST MULTICAST MTU:1500 Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:182
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
          Interrupt:16

root@core:~# ip link show wlan0
3: wlan0: <NO-CARRIER,BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state DORMANT mode DORMANT group default qlen 1000
    link/ether 0c:84:dc:fa:c1:11 brd ff:ff:ff:ff:ff:ff
root@core:~# ip link set wlan0 up
root@core:~# iw wlan0 scan
BSS 30:b5:c2:b3:bf:21(on wlan0)
 TSF: 0 usec (0d, 00:00:00)
 freq: 2412
 beacon interval: 100 TUs
 capability: ESS Privacy ShortPreamble (0x0031)
 signal: -39.00 dBm
 last seen: 0 ms ago
 SSID: TP-LINK_FB8564
 Supported rates: 1.0* 2.0* 5.5* 11.0* 6.0 9.0 12.0 18.0
 DS Parameter set: channel 1
 TIM: DTIM Count 0 DTIM Period 1 Bitmap Control 0x0 Bitmap[0] 0x0
 Country: AR Environment: Indoor/Outdoor
  Channels [1 - 13] @ 20 dBm
 ERP: Barker_Preamble_Mode
 RSN: * Version: 1
   * Group cipher: TKIP
   * Pairwise ciphers: CCMP TKIP
   * Authentication suites: PSK
   * Capabilities: 1-PTKSA-RC 1-GTKSA-RC (0x0000)
 Extended supported rates: 24.0 36.0 48.0 54.0
 HT capabilities:
  Capabilities: 0x11ef
   RX LDPC
   HT20/HT40
   SM Power Save disabled
   RX HT20 SGI
   RX HT40 SGI
   TX STBC
   RX STBC 1-stream
   Max AMSDU length: 3839 bytes
   DSSS/CCK HT40
  Maximum RX AMPDU length 65535 bytes (exponent: 0x003)
  Minimum RX AMPDU time spacing: No restriction (0x00)
  HT RX MCS rate indexes supported: 0-15
  HT TX MCS rate indexes are undefined
 HT operation:
   * primary channel: 1
   * secondary channel offset: above
   * STA channel width: any
   * RIFS: 0
   * HT protection: nonmember
   * non-GF present: 1
   * OBSS non-GF present: 0
   * dual beacon: 0
   * dual CTS protection: 0
   * STBC beacon: 0
   * L-SIG TXOP Prot: 0
   * PCO active: 0
   * PCO phase: 0
 WPA: * Version: 1
   * Group cipher: TKIP
   * Pairwise ciphers: CCMP TKIP
   * Authentication suites: PSK
 WMM: * Parameter version 1
   * u-APSD
   * BE: CW 15-1023, AIFSN 3
   * BK: CW 15-1023, AIFSN 7
   * VI: CW 7-15, AIFSN 2, TXOP 3008 usec
   * VO: CW 3-7, AIFSN 2, TXOP 1504 usec

root@core:~# wpa_supplicant -B -D wext -i wlan0 -c /etc/wpa_supplicant.conf
Successfully initialized wpa_supplicant
ioctl[SIOCSIWENCODEEXT]: Invalid argument
ioctl[SIOCSIWENCODEEXT]: Invalid argument

root@core:~# iw wlan0 link
Not connected.
root@core:~# iw wlan0 scan
BSS 30:b5:c2:b3:bf:21(on wlan0)
 TSF: 0 usec (0d, 00:00:00)
 freq: 2412
 beacon interval: 100 TUs
 capability: ESS Privacy ShortPreamble (0x0031)
 signal: -34.00 dBm
 last seen: 0 ms ago
 SSID: TP-LINK_FB8564
 Supported rates: 1.0* 2.0* 5.5* 11.0* 6.0 9.0 12.0 18.0
 DS Parameter set: channel 1
 TIM: DTIM Count 0 DTIM Period 1 Bitmap Control 0x0 Bitmap[0] 0x0
 Country: AR Environment: Indoor/Outdoor
  Channels [1 - 13] @ 20 dBm
 ERP: Barker_Preamble_Mode
 RSN: * Version: 1
   * Group cipher: TKIP
   * Pairwise ciphers: CCMP TKIP
   * Authentication suites: PSK
   * Capabilities: 1-PTKSA-RC 1-GTKSA-RC (0x0000)
 Extended supported rates: 24.0 36.0 48.0 54.0
 HT capabilities:
  Capabilities: 0x11ef
   RX LDPC
   HT20/HT40
   SM Power Save disabled
   RX HT20 SGI
   RX HT40 SGI
   TX STBC
   RX STBC 1-stream
   Max AMSDU length: 3839 bytes
   DSSS/CCK HT40
  Maximum RX AMPDU length 65535 bytes (exponent: 0x003)
  Minimum RX AMPDU time spacing: No restriction (0x00)
  HT RX MCS rate indexes supported: 0-15
  HT TX MCS rate indexes are undefined
 HT operation:
   * primary channel: 1
   * secondary channel offset: above
   * STA channel width: any
   * RIFS: 0
   * HT protection: nonmember
   * non-GF present: 1
   * OBSS non-GF present: 0
   * dual beacon: 0
   * dual CTS protection: 0
   * STBC beacon: 0
   * L-SIG TXOP Prot: 0
   * PCO active: 0
   * PCO phase: 0
 WPA: * Version: 1
   * Group cipher: TKIP
   * Pairwise ciphers: CCMP TKIP
   * Authentication suites: PSK
 WMM: * Parameter version 1
   * u-APSD
   * BE: CW 15-1023, AIFSN 3
   * BK: CW 15-1023, AIFSN 7
   * VI: CW 7-15, AIFSN 2, TXOP 3008 usec
   * VO: CW 3-7, AIFSN 2, TXOP 1504 usec

root@core:~# wpa_supplicant -B -D wext -i wlan0 -c /etc/wpa_supplicant.conf
Successfully initialized wpa_supplicant
ioctl[SIOCSIWENCODEEXT]: Invalid argument
ioctl[SIOCSIWENCODEEXT]: Invalid argument
root@core:~# iw wlan0 link
Not connected.

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: bcmwl-kernel-source (not installed)
ProcVersionSignature: Ubuntu 3.2.0-82.83-lowlatency 3.2.68
Uname: Linux 3.2.0-82-lowlatency x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.0.1-0ubuntu17.13
Architecture: amd64
Date: Fri Oct 30 13:15:34 2015
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425)
MarkForUpload: True
ProcEnviron:
 SHELL=/bin/bash
 TERM=xterm
 PATH=(custom, no user)
 LANG=en_US.UTF-8
SourcePackage: bcmwl
UpgradeStatus: No upgrade log present (probably fresh install)