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Thread: Lenovo G580 Ubuntu 14.04 Wifi/Bluetooth not working.

  1. #1
    Join Date
    Jun 2014
    Beans
    6

    Question Lenovo G580 Ubuntu 14.04 Wifi/Bluetooth not working.

    I just made a dualboot of Ubuntu 14.04 with windows 7, coming straight to the topic.

    The wifi & Bluetooth are not working

    Wifi:-

    After a fresh installation the wifi just didn't worked, i can see my SSID & can connect to it but unable to access the internet
    as for a workaround i removed the driver by the following command

    Code:
    sudo apt-get remove bcmwl-kernel-source
    Now the wifi is connected & working but in proprietory drivers its says "This device in not working" obvious as i removed the drivers
    i can use the Broadcom STA drivers but it again comes to same "Connected but no internet access"
    Please give some solution on how to use the proper driver

    Bluetooth :-

    I don't know anything about it as it just says "No bluetooth Device found" in system settings

    Code:
    manthanrb@Mario:~$ sudo lshw 
    [sudo] password for manthanrb: 
    mario                     
        description: Notebook
        product: 20157 (System SKUNumber)
        vendor: LENOVO
        version: Lenovo G580
        serial: WB07906647WB02082114
        width: 64 bits
        capabilities: smbios-2.7 dmi-2.7 vsyscall32
        configuration: administrator_password=unknown boot=normal chassis=notebook family=ChiefRiver System frontpanel_password=unknown keyboard_password=unknown power-on_password=unknown sku=System SKUNumber uuid=F88382A0-ECBD-11E1-91FF-A671DD23F968
      *-core
           description: Motherboard
           product: Emerald Lake 2
           vendor: LENOVO
           physical id: 0
           version: FAB1
           serial: WB07906647
           slot: Part Component
         *-firmware
              description: BIOS
              vendor: LENOVO
              physical id: 0
              version: 62CN37WW
              date: 06/13/2012
              size: 128KiB
              capacity: 4032KiB
              capabilities: pci upgrade shadowing cdboot bootselect edd int5printscreen int9keyboard int14serial int17printer int10video pc98 acpi usb biosbootspecification netboot uefi
         *-cpu
              description: CPU
              product: Intel(R) Core(TM) i5-3210M CPU @ 2.50GHz
              vendor: Intel Corp.
              physical id: 4
              bus info: cpu@0
              version: Intel(R) Core(TM) i5-3210M CPU @ 2.50GHz
              serial: To Be Filled By O.E.M.
              slot: CPU Socket - U3E1
              size: 1200MHz
              capacity: 1200MHz
              width: 64 bits
              clock: 100MHz
              capabilities: x86-64 fpu fpu_exception wp vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf eagerfpu pni pclmulqdq dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm ida arat epb xsaveopt pln pts dtherm tpr_shadow vnmi flexpriority ept vpid fsgsbase smep erms cpufreq
              configuration: cores=2 enabledcores=2 threads=4
         *-cache:0
              description: L1 cache
              physical id: 5
              slot: L1-Cache
              size: 32KiB
              capacity: 32KiB
              capabilities: internal write-through data
         *-cache:1
              description: L1 cache
              physical id: 6
              slot: L1-Cache
              size: 32KiB
              capacity: 32KiB
              capabilities: internal write-through instruction
         *-cache:2
              description: L2 cache
              physical id: 7
              slot: L2-Cache
              size: 256KiB
              capacity: 256KiB
              capabilities: internal write-through unified
         *-cache:3
              description: L3 cache
              physical id: 8
              slot: L3-Cache
              size: 3MiB
              capacity: 3MiB
              capabilities: internal write-back unified
         *-memory
              description: System Memory
              physical id: 34
              slot: System board or motherboard
              size: 4GiB
            *-bank:0
                 description: DIMM [empty]
                 physical id: 0
                 slot: ChannelA-DIMM0
            *-bank:1
                 description: DIMM [empty]
                 physical id: 1
                 slot: ChannelA-DIMM1
            *-bank:2
                 description: SODIMM DDR3 Synchronous 1600 MHz (0.6 ns)
                 product: M471B5273DH0-CK0
                 vendor: Samsung
                 physical id: 2
                 serial: B3205DEE
                 slot: ChannelB-DIMM0
                 size: 4GiB
                 width: 64 bits
                 clock: 1600MHz (0.6ns)
            *-bank:3
                 description: DIMM [empty]
                 physical id: 3
                 slot: ChannelB-DIMM1
         *-pci
              description: Host bridge
              product: 3rd Gen Core processor DRAM Controller
              vendor: Intel Corporation
              physical id: 100
              bus info: pci@0000:00:00.0
              version: 09
              width: 32 bits
              clock: 33MHz
            *-display
                 description: VGA compatible controller
                 product: 3rd Gen Core processor Graphics Controller
                 vendor: Intel Corporation
                 physical id: 2
                 bus info: pci@0000:00:02.0
                 version: 09
                 width: 64 bits
                 clock: 33MHz
                 capabilities: msi pm vga_controller bus_master cap_list rom
                 configuration: driver=i915 latency=0
                 resources: irq:42 memory:f0000000-f03fffff memory:e0000000-efffffff ioport:3000(size=64)
            *-usb:0
                 description: USB controller
                 product: 7 Series/C210 Series Chipset Family USB xHCI Host Controller
                 vendor: Intel Corporation
                 physical id: 14
                 bus info: pci@0000:00:14.0
                 version: 04
                 width: 64 bits
                 clock: 33MHz
                 capabilities: pm msi xhci bus_master cap_list
                 configuration: driver=xhci_hcd latency=0
                 resources: irq:40 memory:f0600000-f060ffff
            *-communication
                 description: Communication controller
                 product: 7 Series/C210 Series Chipset Family MEI Controller #1
                 vendor: Intel Corporation
                 physical id: 16
                 bus info: pci@0000:00:16.0
                 version: 04
                 width: 64 bits
                 clock: 33MHz
                 capabilities: pm msi bus_master cap_list
                 configuration: driver=mei_me latency=0
                 resources: irq:43 memory:f0615000-f061500f
            *-usb:1
                 description: USB controller
                 product: 7 Series/C210 Series Chipset Family USB Enhanced Host Controller #2
                 vendor: Intel Corporation
                 physical id: 1a
                 bus info: pci@0000:00:1a.0
                 version: 04
                 width: 32 bits
                 clock: 33MHz
                 capabilities: pm debug ehci bus_master cap_list
                 configuration: driver=ehci-pci latency=0
                 resources: irq:16 memory:f0619000-f06193ff
            *-multimedia
                 description: Audio device
                 product: 7 Series/C210 Series Chipset Family High Definition Audio Controller
                 vendor: Intel Corporation
                 physical id: 1b
                 bus info: pci@0000:00:1b.0
                 version: 04
                 width: 64 bits
                 clock: 33MHz
                 capabilities: pm msi pciexpress bus_master cap_list
                 configuration: driver=snd_hda_intel latency=0
                 resources: irq:44 memory:f0610000-f0613fff
            *-pci:0
                 description: PCI bridge
                 product: 7 Series/C210 Series Chipset Family PCI Express Root Port 1
                 vendor: Intel Corporation
                 physical id: 1c
                 bus info: pci@0000:00:1c.0
                 version: c4
                 width: 32 bits
                 clock: 33MHz
                 capabilities: pci pciexpress msi pm normal_decode bus_master cap_list
                 configuration: driver=pcieport
                 resources: irq:16
            *-pci:1
                 description: PCI bridge
                 product: 7 Series/C210 Series Chipset Family PCI Express Root Port 2
                 vendor: Intel Corporation
                 physical id: 1c.1
                 bus info: pci@0000:00:1c.1
                 version: c4
                 width: 32 bits
                 clock: 33MHz
                 capabilities: pci pciexpress msi pm normal_decode bus_master cap_list
                 configuration: driver=pcieport
                 resources: irq:17 memory:f0500000-f05fffff
               *-network
                    description: Network controller
                    product: BCM4313 802.11bgn Wireless Network Adapter
                    vendor: Broadcom Corporation
                    physical id: 0
                    bus info: pci@0000:02:00.0
                    version: 01
                    width: 64 bits
                    clock: 33MHz
                    capabilities: pm msi pciexpress bus_master cap_list
                    configuration: driver=bcma-pci-bridge latency=0
                    resources: irq:17 memory:f0500000-f0503fff
            *-pci:2
                 description: PCI bridge
                 product: 7 Series/C210 Series Chipset Family PCI Express Root Port 4
                 vendor: Intel Corporation
                 physical id: 1c.3
                 bus info: pci@0000:00:1c.3
                 version: c4
                 width: 32 bits
                 clock: 33MHz
                 capabilities: pci pciexpress msi pm normal_decode bus_master cap_list
                 configuration: driver=pcieport
                 resources: irq:19 ioport:2000(size=4096) memory:f0400000-f04fffff
               *-network
                    description: Ethernet interface
                    product: AR8162 Fast Ethernet
                    vendor: Qualcomm Atheros
                    physical id: 0
                    bus info: pci@0000:03:00.0
                    logical name: eth0
                    version: 10
                    serial: 3c:97:0e:17:42:65
                    capacity: 100Mbit/s
                    width: 64 bits
                    clock: 33MHz
                    capabilities: pm pciexpress msi msix bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd autonegotiation
                    configuration: autonegotiation=on broadcast=yes driver=alx latency=0 link=no multicast=yes port=twisted pair
                    resources: irq:45 memory:f0400000-f043ffff ioport:2000(size=128)
            *-usb:2
                 description: USB controller
                 product: 7 Series/C210 Series Chipset Family USB Enhanced Host Controller #1
                 vendor: Intel Corporation
                 physical id: 1d
                 bus info: pci@0000:00:1d.0
                 version: 04
                 width: 32 bits
                 clock: 33MHz
                 capabilities: pm debug ehci bus_master cap_list
                 configuration: driver=ehci-pci latency=0
                 resources: irq:23 memory:f0618000-f06183ff
            *-isa
                 description: ISA bridge
                 product: HM76 Express Chipset LPC Controller
                 vendor: Intel Corporation
                 physical id: 1f
                 bus info: pci@0000:00:1f.0
                 version: 04
                 width: 32 bits
                 clock: 33MHz
                 capabilities: isa bus_master cap_list
                 configuration: driver=lpc_ich latency=0
                 resources: irq:0
            *-storage
                 description: SATA controller
                 product: 7 Series Chipset Family 6-port SATA Controller [AHCI mode]
                 vendor: Intel Corporation
                 physical id: 1f.2
                 bus info: pci@0000:00:1f.2
                 version: 04
                 width: 32 bits
                 clock: 66MHz
                 capabilities: storage msi pm ahci_1.0 bus_master cap_list
                 configuration: driver=ahci latency=0
                 resources: irq:41 ioport:3088(size=8) ioport:3094(size=4) ioport:3080(size=8) ioport:3090(size=4) ioport:3060(size=32) memory:f0617000-f06177ff
            *-serial UNCLAIMED
                 description: SMBus
                 product: 7 Series/C210 Series Chipset Family SMBus Controller
                 vendor: Intel Corporation
                 physical id: 1f.3
                 bus info: pci@0000:00:1f.3
                 version: 04
                 width: 64 bits
                 clock: 33MHz
                 configuration: latency=0
                 resources: memory:f0614000-f06140ff ioport:efa0(size=32)
         *-scsi:0
              physical id: 1
              logical name: scsi1
              capabilities: emulated
            *-disk
                 description: ATA Disk
                 product: ST9500325AS
                 vendor: Seagate
                 physical id: 0.0.0
                 bus info: scsi@1:0.0.0
                 logical name: /dev/sda
                 version: 0011
                 serial: S2WNAFL9
                 size: 465GiB (500GB)
                 capabilities: partitioned partitioned:dos
                 configuration: ansiversion=5 sectorsize=512 signature=d9556627
               *-volume:0
                    description: Extended partition
                    physical id: 1
                    bus info: scsi@1:0.0.0,1
                    logical name: /dev/sda1
                    size: 19GiB
                    capacity: 19GiB
                    capabilities: primary extended partitioned partitioned:extended
                  *-logicalvolume:0
                       description: Linux swap / Solaris partition
                       physical id: 5
                       logical name: /dev/sda5
                       capacity: 977MiB
                       capabilities: nofs
                  *-logicalvolume:1
                       description: Linux filesystem partition
                       physical id: 6
                       logical name: /dev/sda6
                       logical name: /
                       capacity: 19GiB
                       configuration: mount.fstype=ext4 mount.options=rw,relatime,errors=remount-ro,data=ordered state=mounted
               *-volume:1
                    description: Windows NTFS volume
                    physical id: 2
                    bus info: scsi@1:0.0.0,2
                    logical name: /dev/sda2
                    version: 3.1
                    serial: 361a1dc3-456b-1f42-af65-f8eb9fe2b315
                    size: 79GiB
                    capacity: 79GiB
                    capabilities: primary bootable ntfs initialized
                    configuration: clustersize=4096 created=2014-06-14 02:11:00 filesystem=ntfs modified_by_chkdsk=true mounted_on_nt4=true resize_log_file=true state=dirty upgrade_on_mount=true
               *-volume:2
                    description: Windows NTFS volume
                    physical id: 3
                    bus info: scsi@1:0.0.0,3
                    logical name: /dev/sda3
                    version: 3.1
                    serial: ee74bc68-cc39-2544-8163-7215265def38
                    size: 183GiB
                    capacity: 183GiB
                    capabilities: primary ntfs initialized
                    configuration: clustersize=4096 created=2012-11-14 09:57:23 filesystem=ntfs label=Windows Storage state=clean
               *-volume:3
                    description: Windows NTFS volume
                    physical id: 4
                    bus info: scsi@1:0.0.0,4
                    logical name: /dev/sda4
                    version: 3.1
                    serial: fe0f84c0-e425-8d44-adde-d6991bcd4ed9
                    size: 183GiB
                    capacity: 183GiB
                    capabilities: primary ntfs initialized
                    configuration: clustersize=4096 created=2010-05-04 08:54:57 filesystem=ntfs label=Games state=clean
         *-scsi:1
              physical id: 2
              logical name: scsi4
              capabilities: emulated
            *-cdrom
                 description: DVD-RAM writer
                 product: CDDVDW SN-208AB
                 vendor: TSSTcorp
                 physical id: 0.0.0
                 bus info: scsi@4:0.0.0
                 logical name: /dev/cdrom
                 logical name: /dev/sr0
                 version: LA03
                 capabilities: removable audio cd-r cd-rw dvd dvd-r dvd-ram
                 configuration: ansiversion=5 status=nodisc
         *-scsi:2
              physical id: 3
              bus info: usb@2:1.6
              logical name: scsi6
              capabilities: emulated scsi-host
              configuration: driver=usb-storage
            *-disk
                 description: SCSI Disk
                 product: Card  Reader
                 vendor: Multiple
                 physical id: 0.0.0
                 bus info: scsi@6:0.0.0
                 logical name: /dev/sdb
                 version: 1.00
                 capabilities: removable
                 configuration: sectorsize=512
               *-medium
                    physical id: 0
                    logical name: /dev/sdb
      *-battery
           product: Smart Battery
           vendor: Intel Corp.
           physical id: 1
           version: 2008
           serial: 1.0
           slot: Rear
      *-power UNCLAIMED
           description: TBD by ODM
           product: TBD by ODM
           vendor: TBD by ODM
           physical id: 2
           version: 1.0
           serial: TBD by ODM
           capacity: 32768mWh
      *-network
           description: Wireless interface
           physical id: 3
           logical name: wlan0
           serial: 84:4b:f5:b7:3a:dd
           capabilities: ethernet physical wireless
           configuration: broadcast=yes driver=brcmsmac driverversion=3.13.0-24-generic firmware=610.812 ip=192.168.1.2 link=yes multicast=yes wireless=IEEE 802.11bgn
    I was searching for this issues from 2 days its a common problem with Broadcom 43xx chips but no solution..
    Thanks

  2. #2
    Join Date
    Mar 2010
    Location
    India
    Beans
    8,175
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: Lenovo G580 Ubuntu 14.04 Wifi/Bluetooth not working.

    Welcome to the forums ManthanRB!

    Please follow the instructions in this post to download and run 'wireless_script' (experimental version) and post back the report it generates : http://ubuntuforums.org/showpost.php?p=13024222
    Varun
    Help others by marking threads as [SOLVED], if they are. (See how)
    Wireless Script | Use Code Tags
    Am I not replying you? Perhaps this is why.

  3. #3
    Join Date
    Jun 2014
    Beans
    6

    Re: Lenovo G580 Ubuntu 14.04 Wifi/Bluetooth not working.

    Quote Originally Posted by varunendra View Post
    Welcome to the forums ManthanRB!

    Please follow the instructions in this post to download and run 'wireless_script' (experimental version) and post back the report it generates : http://ubuntuforums.org/showpost.php?p=13024222
    Code:
        ======== Wireless-Info START ========
    
    System-Info ~~~~~~~~~~~~~~~~~~~~~~~~
    
    Mario 3.13.0-24-generic x86_64,  Ubuntu 14.04 LTS, trusty
    
    CPU    : Intel(R) Core(TM) i5-3210M CPU @ 2.50GHz
    Memory : 3800 MB
    Uptime : 00:39:46 up 4 min,  2 users,  load average: 0.33, 0.35, 0.17
    
    
    lspci ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    
    02:00.0 Network controller [0280]: Broadcom Corporation BCM4313 802.11bgn Wireless Network Adapter [14e4:4727] (rev 01)
        Subsystem: Broadcom Corporation Device [14e4:051b]
        Kernel driver in use: bcma-pci-bridge
    03:00.0 Ethernet controller [0200]: Qualcomm Atheros AR8162 Fast Ethernet [1969:1090] (rev 10)
        Subsystem: Lenovo Device [17aa:3978]
        Kernel driver in use: alx
    
    
    lsusb ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    
    Bus 002 Device 003: ID 058f:6366 Alcor Micro Corp. Multi Flash Reader
    Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
    Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    Bus 001 Device 004: ID 5986:0294 Acer, Inc 
    Bus 001 Device 003: ID 0461:4d0f Primax Electronics, Ltd HP Optical Mouse
    Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
    Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
    Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    
    
    PCMCIA Card Info ~~~~~~~~~~~~~~~~~~~
    
    
    
    iwconfig ~~~~~~~~~~~~~~~~~~~~~~~~~~~
    
    wlan0     IEEE 802.11bgn  ESSID:"Mario"  
              Mode:Managed  Frequency:2.447 GHz  Access Point: <MAC C-01 Mario>   
              Bit Rate=65 Mb/s   Tx-Power=19 dBm   
              Retry  long limit:7   RTS thr:off   Fragment thr:off
              Power Management:off
              Link Quality=70/70  Signal level=-34 dBm  
              Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
              Tx excessive retries:0  Invalid misc:57   Missed beacon:0
    
    
    
    rfkill ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    
          Interface        Soft blocked  Hard blocked
    2: phy0: Wireless LAN      no            no
    
    
    lsmod ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    
    brcmsmac              563041  0 
    cordic                 12574  1 brcmsmac
    brcmutil               15618  1 brcmsmac
    b43                   387371  0 
    mac80211              626489  2 b43,brcmsmac
    cfg80211              484040  3 b43,brcmsmac,mac80211
    ssb                    62379  1 b43
    bcma                   52096  3 b43,brcmsmac
    wmi                    19177  0 
    
    
    module parameters ~~~~~~~~~~~~~~~~~~
    
    b43          (10): allhwsupport=0 | bad_frames_preempt=0 | btcoex=1 | hwpctl=0 | hwtkip=0 | nohwcrypt=0 | pio=0 | qos=1 | verbose=2
    cfg80211      (2): cfg80211_disable_40mhz_24ghz=N | ieee80211_regdom=00
    mac80211      (5): beacon_loss_count=7 | ieee80211_default_rc_algo=minstrel_ht | max_nullfunc_tries=2 | max_probe_tries=5 | probe_wait_ms=500
    wmi           (2): debug_dump_wdg=N | debug_event=N
    
    
    nm-tool ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    
    State: unknown
    ================o======o========o==============o=========o===========o==============o===========
     Interface & ID | Type | Driver | State        | Default | Speed     | Support      | HW Addr   
    ================o======o========o==============o=========o===========o==============o===========
                    |      |        |              |         |           |              |           
    ----------------+------+--------+--------------+---------+-----------+--------------+-----------
    
    
    NetworkManager.state ~~~~~~~~~~~~~~~
    [main]
    NetworkingEnabled=true
    WirelessEnabled=true
    WWANEnabled=true
    WimaxEnabled=true
    
    
    NetworkManager.conf ~~~~~~~~~~~~~~~~
    
    [main]
    plugins=ifupdown,keyfile,ofono
    dns=dnsmasq
    
    [ifupdown]
    managed=false
    
    
    NM WiFi Profiles ~~~~~~~~~~~~~~~~~~~
    
    Mario                : ssid=Mario | mac-address=<MAC wlan0> | ipv4=auto | ipv6=auto 
    
    
    interfaces ~~~~~~~~~~~~~~~~~~~~~~~~~
    
    # interfaces(5) file used by ifup(8) and ifdown(8)
    auto lo
    iface lo inet loopback
    
    resolv.conf ~~~~~~~~~~~~~~~~~~~~~~~~
    
    nameserver 127.0.1.1
    
    
    Routes & Ping ~~~~~~~~~~~~~~~~~~~~~~
    
    Kernel IP routing table
    Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
    0.0.0.0         192.168.1.1     0.0.0.0         UG    0      0        0 wlan0
    192.168.1.0     0.0.0.0         255.255.255.0   U     9      0        0 wlan0
    
    --- 192.168.1.1 ping statistics ---
    2 packets transmitted, 2 received, 0% packet loss, time 1001ms
    rtt min/avg/max/mdev = 2.493/28.648/54.803/26.155 ms
    
    --- 127.0.1.1 ping statistics ---
    2 packets transmitted, 2 received, 0% packet loss, time 999ms
    rtt min/avg/max/mdev = 0.032/0.034/0.037/0.006 ms
    
    
    iw reg get ~~~~~~~~~~~~~~~~~~~~~~~~~
    
    (Region : "en_IN")
    country 00:
        (2402 - 2472 @ 40), (3, 20)
        (2457 - 2482 @ 40), (3, 20), PASSIVE-SCAN, NO-IBSS
        (2474 - 2494 @ 20), (3, 20), NO-OFDM, PASSIVE-SCAN, NO-IBSS
        (5170 - 5250 @ 40), (3, 20), PASSIVE-SCAN, NO-IBSS
        (5735 - 5835 @ 40), (3, 20), PASSIVE-SCAN, NO-IBSS
    
    
    iwlist chan ~~~~~~~~~~~~~~~~~~~~~~~~
    
    wlan0     13 channels in total; available frequencies :
              Channel 01 (2.412 GHz) - 13 (2.472 GHz)
    
              Current Frequency:2.447 GHz (Channel 8)
    
    
    iwlist scan ~~~~~~~~~~~~~~~~~~~~~~~~
    
    wlan0     Scan completed :
              Cell 01 - Address: <MAC C-01 Mario>
                        Channel:8
                        Frequency:2.447 GHz (Channel 8)
                        Quality=70/70  Signal level=-36 dBm  
                        Encryption key:on
                        ESSID:"Mario"
                        Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 6 Mb/s
                                  9 Mb/s; 12 Mb/s; 18 Mb/s
                        Bit Rates:24 Mb/s; 36 Mb/s; 48 Mb/s; 54 Mb/s
                        Mode:Master
                        Extra:tsf=0000000bc4092f19
                        Extra: Last beacon: 88ms ago
                        IE: IEEE 802.11i/WPA2 Version 1
                            Group Cipher : CCMP
                            Pairwise Ciphers (1) : CCMP
                            Authentication Suites (1) : PSK
    
    
    blacklist ~~~~~~~~~~~~~~~~~~~~~~~~~~
    
    [/etc/modprobe.d/blacklist-ath_pci.conf]
    blacklist ath_pci
    
    
    modinfo ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    
    [brcmsmac]
    filename:       /lib/modules/3.13.0-24-generic/kernel/drivers/net/wireless/brcm80211/brcmsmac/brcmsmac.ko
    firmware:       brcm/bcm43xx_hdr-0.fw
    firmware:       brcm/bcm43xx-0.fw
    srcversion:     43D6897F7EB716081DF69BE
    depends:        bcma,mac80211,brcmutil,cfg80211,cordic
    
    [cordic]
    filename:       /lib/modules/3.13.0-24-generic/kernel/lib/cordic.ko
    srcversion:     810E6E73D80DD7F75AC5B42
    depends:        
    
    [brcmutil]
    filename:       /lib/modules/3.13.0-24-generic/kernel/drivers/net/wireless/brcm80211/brcmutil/brcmutil.ko
    srcversion:     E81EE4CBB6A7A689150D93D
    depends:        
    
    [b43]
    filename:       /lib/modules/3.13.0-24-generic/kernel/drivers/net/wireless/b43/b43.ko
    firmware:       b43/ucode9.fw
    firmware:       b43/ucode5.fw
    firmware:       b43/ucode16_mimo.fw
    firmware:       b43/ucode15.fw
    firmware:       b43/ucode14.fw
    firmware:       b43/ucode13.fw
    firmware:       b43/ucode11.fw
    srcversion:     BED87D210887FFC71A4BDE0
    depends:        bcma,ssb,mac80211,cfg80211
    parm:           bad_frames_preempt:enable(1) / disable(0) Bad Frames Preemption (int)
    parm:           fwpostfix:Postfix for the .fw files to load. (string)
    parm:           hwpctl:Enable hardware-side power control (default off) (int)
    parm:           nohwcrypt:Disable hardware encryption. (int)
    parm:           hwtkip:Enable hardware tkip. (int)
    parm:           qos:Enable QOS support (default on) (int)
    parm:           btcoex:Enable Bluetooth coexistence (default on) (int)
    parm:           verbose:Log message verbosity: 0=error, 1=warn, 2=info(default), 3=debug (int)
    parm:           pio:Use PIO accesses by default: 0=DMA, 1=PIO (int)
    parm:           allhwsupport:Enable support for all hardware (even it if overlaps with the brcmsmac driver) (int)
    
    [mac80211]
    filename:       /lib/modules/3.13.0-24-generic/kernel/net/mac80211/mac80211.ko
    srcversion:     C0F95BBF832E05DEFD722F4
    depends:        cfg80211
    parm:           max_nullfunc_tries:Maximum nullfunc tx tries before disconnecting (reason 4). (int)
    parm:           max_probe_tries:Maximum probe tries before disconnecting (reason 4). (int)
    parm:           beacon_loss_count:Number of beacon intervals before we decide beacon was lost. (int)
    parm:           probe_wait_ms:Maximum time(ms) to wait for probe response before disconnecting (reason 4). (int)
    parm:           ieee80211_default_rc_algo:Default rate control algorithm for mac80211 to use (charp)
    
    [cfg80211]
    filename:       /lib/modules/3.13.0-24-generic/kernel/net/wireless/cfg80211.ko
    srcversion:     8B3D642D1F2E6406EF33F74
    depends:        
    parm:           ieee80211_regdom:IEEE 802.11 regulatory domain code (charp)
    parm:           cfg80211_disable_40mhz_24ghz:Disable 40MHz support in the 2.4GHz band (bool)
    
    [ssb]
    filename:       /lib/modules/3.13.0-24-generic/kernel/drivers/ssb/ssb.ko
    srcversion:     3DE188310F77C566C2E8CB3
    depends:        
    
    [bcma]
    filename:       /lib/modules/3.13.0-24-generic/kernel/drivers/bcma/bcma.ko
    srcversion:     E41B811D88783DD5BC38565
    depends:        
    
    
    udev rules ~~~~~~~~~~~~~~~~~~~~~~~~~
    
    # PCI device 0x1969:0x1090 (alx)
    SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="<MAC eth0>", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="eth*", NAME="eth0"
    
    # PCI device 0x14e4:0x4727 (brcmsmac)
    SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="<MAC wlan0>", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="wlan*", NAME="wlan0"
    
    
    Custom files/entries ~~~~~~~~~~~~~~~
    
    /etc/modules        : Default
    /etc/rc.local       : Default
    /etc/modprobe.d     : Not Default
    /etc/pm/(cnf|pw|sl) : Default
    
    [/etc/modprobe.d]
    iwlwifi.conf      : remove iwlwifi \
                        (/sbin/lsmod | grep -o -e ^iwlmvm -e ^iwldvm -e ^iwlwifi | xargs /sbin/rmmod) \
                        && /sbin/modprobe -r mac80211
    mlx4.conf         : softdep mlx4_core post: mlx4_en
    
    
    Kernel boot line ~~~~~~~~~~~~~~~~~~~
    
    BOOT_IMAGE=/boot/vmlinuz-3.13.0-24-generic root=UUID=27d00d8d-1b1c-4505-99fa-30560b7a5dab ro quiet splash acpi_backlight=vendor vt.handoff=7
    
    
    dmesg ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    
    [    0.453200] microcode: Microcode Update Driver: v2.00 <tigran@aivazian.fsnet.co.uk>, Peter Oruba
    [    0.453477] audit: initializing netlink socket (disabled)
    [    0.724394] alx 0000:03:00.0 eth0: Qualcomm Atheros AR816x/AR817x Ethernet [<MAC eth0>]
    [   10.796941] wmi: Mapper loaded
    [   10.955734] bcma: bus0: Found chip with id 0x4313, rev 0x01 and package 0x08
    [   10.955769] bcma: bus0: Core 0 found: ChipCommon (manuf 0x4BF, id 0x800, rev 0x24, class 0x0)
    [   10.955798] bcma: bus0: Core 1 found: IEEE 802.11 (manuf 0x4BF, id 0x812, rev 0x18, class 0x0)
    [   10.955854] bcma: bus0: Core 2 found: PCIe (manuf 0x4BF, id 0x820, rev 0x11, class 0x0)
    [   10.968752] bcma: bus0: Bus registered
    [   11.416063] Support for cores revisions 0x17 and 0x18 disabled by module param allhwsupport=0. Try b43.allhwsupport=1
    [   11.416066] b43: probe of bcma0:0 failed with error -524
    [   11.669808] psmouse serio1: elantech: assuming hardware version 3 (with firmware version 0x450f03)
    [   11.745841] brcmsmac bcma0:0: mfg 4bf core 812 rev 24 class 0 irq 17
    [   11.772522] ieee80211 phy0: registered radio enabled led device: brcmsmac-phy0:radio gpio: 243
    [   12.909391] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
    [   14.284624] brcmsmac bcma0:0: brcms_ops_bss_info_changed: qos enabled: false (implement)
    [   14.284662] brcmsmac bcma0:0: brcms_ops_config: change power-save mode: false (implement)
    [   14.285306] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
    [   14.285586] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
    [   15.151614] wlan0: authenticate with <MAC C-01 Mario>
    [   15.155269] wlan0: send auth to <MAC C-01 Mario> (try 1/3)
    [   15.158175] wlan0: authenticated
    [   15.158670] wlan0: associate with <MAC C-01 Mario> (try 1/3)
    [   15.162729] wlan0: RX AssocResp from <MAC C-01 Mario> (capab=0x431 status=0 aid=2)
    [   15.165221] brcmsmac bcma0:0: brcmsmac: brcms_ops_bss_info_changed: associated
    [   15.165225] brcmsmac bcma0:0: brcms_ops_bss_info_changed: qos enabled: true (implement)
    [   15.165235] wlan0: associated
    [   15.165242] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
    [   20.148703] brcmsmac bcma0:0: brcms_ops_bss_info_changed: arp filtering: 1 addresses (implement)
    
        ======== Done ========
    Last edited by ManthanRB; June 18th, 2014 at 08:21 PM.

  4. #4
    Join Date
    Mar 2010
    Location
    India
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    8,175
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: Lenovo G580 Ubuntu 14.04 Wifi/Bluetooth not working.

    Please open a terminal (Ctrl-Alt-T) and run the following command to blacklist the "b43" and "ssb" drivers so that they don't conflict with the correct driver "brcmsmac" -
    Code:
    echo -e "blacklist b43\nblacklist ssb" | sudo tee -a /etc/modprobe.d/blacklist.conf
    Then reboot and check if the problem is solved. If not, please post a fresh report of the wireless_script.
    Varun
    Help others by marking threads as [SOLVED], if they are. (See how)
    Wireless Script | Use Code Tags
    Am I not replying you? Perhaps this is why.

  5. #5
    Join Date
    Jun 2014
    Beans
    6

    Re: Lenovo G580 Ubuntu 14.04 Wifi/Bluetooth not working.

    Quote Originally Posted by varunendra View Post
    Please open a terminal (Ctrl-Alt-T) and run the following command to blacklist the "b43" and "ssb" drivers so that they don't conflict with the correct driver "brcmsmac" -
    Code:
    echo -e "blacklist b43\nblacklist ssb" | sudo tee -a /etc/modprobe.d/blacklist.conf
    Then reboot and check if the problem is solved. If not, please post a fresh report of the wireless_script.
    My wifi is working but its using the brcmsmac drivers and not the Broadcom Drivers, i am asking why am i having the problem while using the Broadcom drivers?

  6. #6
    Join Date
    Mar 2010
    Location
    India
    Beans
    8,175
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: Lenovo G580 Ubuntu 14.04 Wifi/Bluetooth not working.

    Quote Originally Posted by ManthanRB View Post
    My wifi is working but its using the brcmsmac drivers and not the Broadcom Drivers, i am asking why am i having the problem while using the Broadcom drivers?
    ..and my post tells you why you are having the problem -
    Quote Originally Posted by varunendra View Post
    ..run the following command to blacklist the "b43" and "ssb" drivers so that they don't conflict with the correct driver "brcmsmac"..
    "brcmsmac" is also a Broadcom driver, the three others are - b43, wl and brcmfmac. The card you have can be controlled by two of these - the "wl" (also called "STA" driver) and the "brcmsmac" drivers. The sta driver (wl) is proprietary and usually doesn't work as good as brcmsmac with this card. The "b43" does not work with this card as far as I know and have seen. It gets loaded because, I guess (can't be sure), both brcmsmac and b43 now depend on a supporting driver - 'bcma' (the 'brcmsmac' didn't depend on it in earlier kernel versions), which contains the device ID of this card. This maybe a bug that needs to be fixed, so that this conflict of drivers with this particular card can be prevented.

    So.. trust me, I know what I am doing here, and somehow I know the story with these broadcom cards/drivers very well. I just don't have much time these days to properly and deliberately explain things like I loved to do a few months ago. I am not a developer myself so can't guarantee that my suggestions would definitely work, but sometimes experience counts a lot.

    Just try what I suggested and post back the outcome. Be assured, reverting a blacklist is a matter of seconds, if required at all.
    Varun
    Help others by marking threads as [SOLVED], if they are. (See how)
    Wireless Script | Use Code Tags
    Am I not replying you? Perhaps this is why.

  7. #7
    Join Date
    Jun 2014
    Beans
    6

    Re: Lenovo G580 Ubuntu 14.04 Wifi/Bluetooth not working.

    Quote Originally Posted by varunendra View Post
    ..and my post tells you why you are having the problem -

    "brcmsmac" is also a Broadcom driver, the three others are - b43, wl and brcmfmac. The card you have can be controlled by two of these - the "wl" (also called "STA" driver) and the "brcmsmac" drivers. The sta driver (wl) is proprietary and usually doesn't work as good as brcmsmac with this card. The "b43" does not work with this card as far as I know and have seen. It gets loaded because, I guess (can't be sure), both brcmsmac and b43 now depend on a supporting driver - 'bcma' (the 'brcmsmac' didn't depend on it in earlier kernel versions), which contains the device ID of this card. This maybe a bug that needs to be fixed, so that this conflict of drivers with this particular card can be prevented.

    So.. trust me, I know what I am doing here, and somehow I know the story with these broadcom cards/drivers very well. I just don't have much time these days to properly and deliberately explain things like I loved to do a few months ago. I am not a developer myself so can't guarantee that my suggestions would definitely work, but sometimes experience counts a lot.

    Just try what I suggested and post back the outcome. Be assured, reverting a blacklist is a matter of seconds, if required at all.
    Thanks, it worked!
    I asked because i didn't knew that brcmsmac is also a broadcom driver.
    thanks again for clearing my doubt.

    i can't find anything to mark the best answer/reward you or anythin!
    Last edited by ManthanRB; June 20th, 2014 at 06:14 PM.

  8. #8
    Join Date
    Mar 2015
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    5

    Re: Lenovo G580 Ubuntu 14.04 Wifi/Bluetooth not working.

    Hi Varun,
    I am facing the same problem as is mnentioned in the post for my laptop (Lenovo G580). I tried to follow the solution and have generated the output of wireless_script, I am posting the same under :
    ======== Wireless-Info START ========


    System-Info ~~~~~~~~~~~~~~~~~~~~~~~~


    genius-Lenovo-G580 3.13.0-46-generic x86_64, Ubuntu 14.04.2 LTS, trusty


    CPU : Intel(R) Core(TM) i5-3210M CPU @ 2.50GHz
    Memory : 3800 MB
    Uptime : 15:34:25 up 6 min, 2 users, load average: 0.28, 0.61, 0.35




    lspci ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


    02:00.0 Network controller [0280]: Qualcomm Atheros AR9285 Wireless Network Adapter (PCI-Express) [168c:002b] (rev 01)
    Subsystem: Lenovo Device [17aa:30a1]
    Kernel driver in use: ath9k
    03:00.0 Ethernet controller [0200]: Qualcomm Atheros AR8162 Fast Ethernet [1969:1090] (rev 10)
    Subsystem: Lenovo Device [17aa:3978]
    Kernel driver in use: alx




    lsusb ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


    Bus 002 Device 004: ID 058f:6366 Alcor Micro Corp. Multi Flash Reader
    Bus 002 Device 003: ID 0489:e042 Foxconn / Hon Hai
    Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
    Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    Bus 001 Device 003: ID 0c45:6455 Microdia
    Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
    Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
    Bus 003 Device 004: ID 12d1:140b Huawei Technologies Co., Ltd. EC1260 Wireless Data Modem HSD USB Card
    Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub




    PCMCIA Card Info ~~~~~~~~~~~~~~~~~~~






    iwconfig ~~~~~~~~~~~~~~~~~~~~~~~~~~~


    wlan0 IEEE 802.11bgn ESSIDff/any
    Mode:Managed Access Point: Not-Associated Tx-Power=off
    Retry long limit:7 RTS thrff Fragment thrff
    Power Managementff





    rfkill ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


    Interface Soft blocked Hard blocked
    0: phy0: Wireless LAN no yes
    1: hci0: Bluetooth yes no




    lsmod ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


    ath9k 164164 0
    ath9k_common 13551 1 ath9k
    ath9k_hw 453856 2 ath9k_common,ath9k
    ath 28698 3 ath9k_common,ath9k,ath9k_hw
    mac80211 630669 1 ath9k
    cfg80211 484040 3 ath,ath9k,mac80211
    wmi 19177 0




    module parameters ~~~~~~~~~~~~~~~~~~


    ath9k (5): blink=0 | bt_ant_diversity=0 | btcoex_enable=0 | nohwcrypt=0 | ps_enable=0
    cfg80211 (2): cfg80211_disable_40mhz_24ghz=N | ieee80211_regdom=00
    mac80211 (5): beacon_loss_count=7 | ieee80211_default_rc_algo=minstrel_ht | max_nullfunc_tries=2 | max_probe_tries=5 | probe_wait_ms=500
    wmi (2): debug_dump_wdg=N | debug_event=N




    nm-tool ~~~~~~~~~~~~~~~~~~~~~~~~~~~~


    State: connected (global)
    ================================================o= ========================o=========o=============o= ========o===========o==============o===========
    Interface & ID | Type | Driver | State | Default | Speed | Support | HW Addr
    ================================================o= ========================o=========o=============o= ========o===========o==============o===========
    ttyUSB2 [Tata Indicom (Photon+) connection 1] | Mobile Broadband (CDMA) | option1 | connected | yes | | |


    Address: 14.98.77.67
    Prefix: 32 (255.255.255.255)
    Gateway: 172.29.145.129
    DNS: 103.8.44.5
    DNS: 103.8.45.5
    ------------------------------------------------+-------------------------+---------+-------------+---------+-----------+--------------+-----------
    eth0 | Wired | alx | unavailable | no | | | <MAC eth0>
    ------------------------------------------------+-------------------------+---------+-------------+---------+-----------+--------------+-----------
    wlan0 | 802.11 WiFi | ath9k | unavailable | no | | WEP/WPA/WPA2 | <MAC wlan0>
    ------------------------------------------------+-------------------------+---------+-------------+---------+-----------+--------------+-----------




    NetworkManager.state ~~~~~~~~~~~~~~~
    [main]
    NetworkingEnabled=true
    WirelessEnabled=false
    WWANEnabled=true
    WimaxEnabled=true


    Could you please suggest me something.

  9. #9
    Join Date
    Mar 2015
    Beans
    5

    Re: Lenovo G580 Ubuntu 14.04 Wifi/Bluetooth not working.

    Sorry here is the complete output

    ======== Wireless-Info START ========


    System-Info ~~~~~~~~~~~~~~~~~~~~~~~~


    genius-Lenovo-G580 3.13.0-46-generic x86_64, Ubuntu 14.04.2 LTS, trusty


    CPU : Intel(R) Core(TM) i5-3210M CPU @ 2.50GHz
    Memory : 3800 MB
    Uptime : 15:34:25 up 6 min, 2 users, load average: 0.28, 0.61, 0.35




    lspci ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


    02:00.0 Network controller [0280]: Qualcomm Atheros AR9285 Wireless Network Adapter (PCI-Express) [168c:002b] (rev 01)
    Subsystem: Lenovo Device [17aa:30a1]
    Kernel driver in use: ath9k
    03:00.0 Ethernet controller [0200]: Qualcomm Atheros AR8162 Fast Ethernet [1969:1090] (rev 10)
    Subsystem: Lenovo Device [17aa:3978]
    Kernel driver in use: alx




    lsusb ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


    Bus 002 Device 004: ID 058f:6366 Alcor Micro Corp. Multi Flash Reader
    Bus 002 Device 003: ID 0489:e042 Foxconn / Hon Hai
    Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
    Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    Bus 001 Device 003: ID 0c45:6455 Microdia
    Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
    Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
    Bus 003 Device 004: ID 12d1:140b Huawei Technologies Co., Ltd. EC1260 Wireless Data Modem HSD USB Card
    Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub




    PCMCIA Card Info ~~~~~~~~~~~~~~~~~~~






    iwconfig ~~~~~~~~~~~~~~~~~~~~~~~~~~~


    wlan0 IEEE 802.11bgn ESSIDff/any
    Mode:Managed Access Point: Not-Associated Tx-Power=off
    Retry long limit:7 RTS thrff Fragment thrff
    Power Managementff





    rfkill ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


    Interface Soft blocked Hard blocked
    0: phy0: Wireless LAN no yes
    1: hci0: Bluetooth yes no




    lsmod ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


    ath9k 164164 0
    ath9k_common 13551 1 ath9k
    ath9k_hw 453856 2 ath9k_common,ath9k
    ath 28698 3 ath9k_common,ath9k,ath9k_hw
    mac80211 630669 1 ath9k
    cfg80211 484040 3 ath,ath9k,mac80211
    wmi 19177 0




    module parameters ~~~~~~~~~~~~~~~~~~


    ath9k (5): blink=0 | bt_ant_diversity=0 | btcoex_enable=0 | nohwcrypt=0 | ps_enable=0
    cfg80211 (2): cfg80211_disable_40mhz_24ghz=N | ieee80211_regdom=00
    mac80211 (5): beacon_loss_count=7 | ieee80211_default_rc_algo=minstrel_ht | max_nullfunc_tries=2 | max_probe_tries=5 | probe_wait_ms=500
    wmi (2): debug_dump_wdg=N | debug_event=N




    nm-tool ~~~~~~~~~~~~~~~~~~~~~~~~~~~~


    State: connected (global)
    ================================================o= ========================o=========o=============o= ========o===========o==============o===========
    Interface & ID | Type | Driver | State | Default | Speed | Support | HW Addr
    ================================================o= ========================o=========o=============o= ========o===========o==============o===========
    ttyUSB2 [Tata Indicom (Photon+) connection 1] | Mobile Broadband (CDMA) | option1 | connected | yes | | |


    Address: 14.98.77.67
    Prefix: 32 (255.255.255.255)
    Gateway: 172.29.145.129
    DNS: 103.8.44.5
    DNS: 103.8.45.5
    ------------------------------------------------+-------------------------+---------+-------------+---------+-----------+--------------+-----------
    eth0 | Wired | alx | unavailable | no | | | <MAC eth0>
    ------------------------------------------------+-------------------------+---------+-------------+---------+-----------+--------------+-----------
    wlan0 | 802.11 WiFi | ath9k | unavailable | no | | WEP/WPA/WPA2 | <MAC wlan0>
    ------------------------------------------------+-------------------------+---------+-------------+---------+-----------+--------------+-----------




    NetworkManager.state ~~~~~~~~~~~~~~~
    [main]
    NetworkingEnabled=true
    WirelessEnabled=false
    WWANEnabled=true
    WimaxEnabled=true




    NetworkManager.conf ~~~~~~~~~~~~~~~~


    [main]
    plugins=ifupdown,keyfile,ofono
    dns=dnsmasq


    no-auto-default=<MAC eth0>,


    [ifupdown]
    managed=false




    NM WiFi Profiles ~~~~~~~~~~~~~~~~~~~


    cmswire : ssid=cmswire | mac-address=<MAC wlan0> | ipv4=auto | ipv6=auto
    davis : ssid=davis | mac-address=<MAC wlan0> | ipv4=auto | ipv6=auto
    ehepd210 : ssid=ehepd210 | mac-address=<MAC wlan0> | ipv4=auto | ipv6=auto
    guesthouse : ssid=guesthouse | mac-address=<MAC wlan0> | ipv6=auto | ipv4=auto
    Guest Network : ssid=Guest Network | mac-address=<MAC wlan0> | ipv4=auto | ipv6=auto
    IITG_GUEST : ssid=IITG_GUEST | mac-address=<MAC wlan0> | ipv4=auto | ipv6=auto
    internet : ssid=internet | mac-address=<MAC wlan0> | ipv4=auto | ipv6=auto
    internet 1 : ssid=internet | autoconnect=false | mac-address=<MAC wlan0> | ipv4=shared | ipv6=auto
    kirti mobile : ssid=kirti mobile | mac-address=<MAC wlan0> | ipv4=auto | ipv6=auto
    Panasonic P81 : ssid=Panasonic P81 | mac-address=<MAC wlan0> | ipv6=auto | ipv4=auto
    PU@CAMPUS : ssid=PU@CAMPUS | mac-address=<MAC wlan0> | ipv4=auto | ipv6=auto
    RAMANUJAN : ssid=RAMANUJAN | mac-address=<MAC wlan0> | ipv4=auto | ipv6=auto
    scorp : ssid=scorp | mac-address=<MAC wlan0> | ipv4=auto | ipv6=auto
    Tata-Photon-Max-Wi-Fi-2812 : ssid=Tata-Photon-Max-Wi-Fi-2812 | mac-address=<MAC wlan0> | ipv4=auto | ipv6=auto
    TP-LINK_ED8319 : ssid=TP-LINK_ED8319 | mac-address=<MAC wlan0> | ipv4=auto | ipv6=auto
    Tuta : ssid=Tuta | mac-address=<MAC wlan0> | ipv4=auto | ipv6=auto
    Wi-Fi connection 1 : ssid=inter | ipv6=auto | ipv4=auto




    interfaces ~~~~~~~~~~~~~~~~~~~~~~~~~


    # interfaces(5) file used by ifup(8) and ifdown(8)
    auto lo
    iface lo inet loopback


    resolv.conf ~~~~~~~~~~~~~~~~~~~~~~~~


    nameserver 127.0.1.1




    Routes & Ping ~~~~~~~~~~~~~~~~~~~~~~


    Kernel IP routing table
    Destination Gateway Genmask Flags Metric Ref Use Iface
    0.0.0.0 172.29.145.129 0.0.0.0 UG 0 0 0 ppp0
    172.29.145.129 0.0.0.0 255.255.255.255 UH 0 0 0 ppp0


    --- 172.29.145.129 ping statistics ---
    2 packets transmitted, 2 received, 0% packet loss, time 1001ms
    rtt min/avg/max/mdev = 88.650/90.855/93.060/2.205 ms


    --- 127.0.1.1 ping statistics ---
    2 packets transmitted, 2 received, 0% packet loss, time 999ms
    rtt min/avg/max/mdev = 0.025/0.032/0.040/0.009 ms




    iw reg get ~~~~~~~~~~~~~~~~~~~~~~~~~


    (Region : "en_IN")
    country 00:
    (2402 - 2472 @ 40), (3, 20)
    (2457 - 2482 @ 40), (3, 20), PASSIVE-SCAN, NO-IBSS
    (2474 - 2494 @ 20), (3, 20), NO-OFDM, PASSIVE-SCAN, NO-IBSS
    (5170 - 5250 @ 40), (3, 20), PASSIVE-SCAN, NO-IBSS
    (5735 - 5835 @ 40), (3, 20), PASSIVE-SCAN, NO-IBSS




    iwlist chan ~~~~~~~~~~~~~~~~~~~~~~~~


    wlan0 13 channels in total; available frequencies :
    Channel 01 (2.412 GHz) - 13 (2.472 GHz)




    iwlist scan ~~~~~~~~~~~~~~~~~~~~~~~~






    blacklist ~~~~~~~~~~~~~~~~~~~~~~~~~~


    [/etc/modprobe.d/blacklist-ath_pci.conf]
    blacklist ath_pci




    modinfo ~~~~~~~~~~~~~~~~~~~~~~~~~~~~


    [ath9k]
    filename: /lib/modules/3.13.0-46-generic/kernel/drivers/net/wireless/ath/ath9k/ath9k.ko
    srcversion: 274594FBD61F5DF88102A4C
    depends: ath9k_hw,mac80211,ath9k_common,cfg80211,ath
    parm: debugebugging mask (uint)
    parm: nohwcryptisable hardware encryption (int)
    parm: blink:Enable LED blink on activity (int)
    parm: btcoex_enable:Enable wifi-BT coexistence (int)
    parm: bt_ant_diversity:Enable WLAN/BT RX antenna diversity (int)
    parm: ps_enable:Enable WLAN PowerSave (int)


    [ath9k_common]
    filename: /lib/modules/3.13.0-46-generic/kernel/drivers/net/wireless/ath/ath9k/ath9k_common.ko
    srcversion: 93644B269B570BC55CF5154
    depends: ath,ath9k_hw


    [ath9k_hw]
    filename: /lib/modules/3.13.0-46-generic/kernel/drivers/net/wireless/ath/ath9k/ath9k_hw.ko
    srcversion: 65C14EF588BF1A68181643C
    depends: ath


    [ath]
    filename: /lib/modules/3.13.0-46-generic/kernel/drivers/net/wireless/ath/ath.ko
    srcversion: 88A67C5359B02C5A710AFCF
    depends: cfg80211


    [mac80211]
    filename: /lib/modules/3.13.0-46-generic/kernel/net/mac80211/mac80211.ko
    srcversion: B8DF1ECC076C2FCEAC70533
    depends: cfg80211
    parm: max_nullfunc_tries:Maximum nullfunc tx tries before disconnecting (reason 4). (int)
    parm: max_probe_tries:Maximum probe tries before disconnecting (reason 4). (int)
    parm: beacon_loss_count:Number of beacon intervals before we decide beacon was lost. (int)
    parm: probe_wait_ms:Maximum time(ms) to wait for probe response before disconnecting (reason 4). (int)
    parm: ieee80211_default_rc_algoefault rate control algorithm for mac80211 to use (charp)


    [cfg80211]
    filename: /lib/modules/3.13.0-46-generic/kernel/net/wireless/cfg80211.ko
    srcversion: 5C139B156678DB83EDA757D
    depends:
    parm: ieee80211_regdom:IEEE 802.11 regulatory domain code (charp)
    parm: cfg80211_disable_40mhz_24ghzisable 40MHz support in the 2.4GHz band (bool)


    [wmi]
    filename: /lib/modules/3.13.0-46-generic/kernel/drivers/platform/x86/wmi.ko
    srcversion: CED5410F008DC70DF5F064B
    depends:
    parm: debug_event:Log WMI Events [0/1] (bool)
    parm: debug_dump_wdgump available WMI interfaces [0/1] (bool)




    udev rules ~~~~~~~~~~~~~~~~~~~~~~~~~


    # PCI device 0x1969:0x1090 (alx)
    SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="<MAC eth0>", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="eth*", NAME="eth0"


    # PCI device 0x168c:0x002b (ath9k)
    SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="<MAC wlan0>", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="wlan*", NAME="wlan0"




    Custom files/entries ~~~~~~~~~~~~~~~


    /etc/modules : Default
    /etc/rc.local : Default
    /etc/modprobe.d : Not Default
    /etc/pm/(cnf|pw|sl) : Default


    [/etc/modprobe.d]
    iwlwifi.conf : remove iwlwifi \
    (/sbin/lsmod | grep -o -e ^iwlmvm -e ^iwldvm -e ^iwlwifi | xargs /sbin/rmmod) \
    && /sbin/modprobe -r mac80211
    mlx4.conf : softdep mlx4_core post: mlx4_en




    Kernel boot line ~~~~~~~~~~~~~~~~~~~


    BOOT_IMAGE=/boot/vmlinuz-3.13.0-46-generic.efi.signed root=UUID=f1de0020-1f39-4c43-89d5-214805c9a690 ro quiet splash vt.handoff=7




    dmesg ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


    [ 0.476795] microcode: Microcode Update Driver: v2.00 <tigran@aivazian.fsnet.co.uk>, Peter Oruba
    [ 0.477078] audit: initializing netlink socket (disabled)
    [ 0.610861] alx 0000:03:00.0 eth0: Qualcomm Atheros AR816x/AR817x Ethernet [<MAC eth0>]
    [ 12.826449] wmi: Mapper loaded
    [ 13.002752] ath: phy0: Enable LNA combining
    [ 13.005489] ath: phy0: ASPM enabled: 0x43
    [ 13.005492] ath: EEPROM regdomain: 0x65
    [ 13.005494] ath: EEPROM indicates we should expect a direct regpair map
    [ 13.005495] ath: Country alpha2 being used: 00
    [ 13.005496] ath: Regpair used: 0x65
    [ 41.888752] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
    [ 44.210017] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready


    ======== Done ========

  10. #10
    Join Date
    May 2014
    Beans
    1,016

    Re: Lenovo G580 Ubuntu 14.04 Wifi/Bluetooth not working.

    Quote Originally Posted by genius2 View Post
    Sorry here is the complete output

    Code:
    ======== Wireless-Info START ========
    
    
    System-Info ~~~~~~~~~~~~~~~~~~~~~~~~
    
    
    genius-Lenovo-G580 3.13.0-46-generic x86_64,  Ubuntu 14.04.2 LTS, trusty
    
    
    CPU    : Intel(R) Core(TM) i5-3210M CPU @ 2.50GHz
    Memory : 3800 MB
    Uptime : 15:34:25 up 6 min,  2 users,  load average: 0.28, 0.61, 0.35
    
    
    
    
    lspci ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    
    
    02:00.0 Network controller [0280]: Qualcomm Atheros AR9285 Wireless Network Adapter (PCI-Express) [168c:002b] (rev 01)
        Subsystem: Lenovo Device [17aa:30a1]
        Kernel driver in use: ath9k
    03:00.0 Ethernet controller [0200]: Qualcomm Atheros AR8162 Fast Ethernet [1969:1090] (rev 10)
        Subsystem: Lenovo Device [17aa:3978]
        Kernel driver in use: alx
    
    
    
    
    lsusb ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    
    
    Bus 002 Device 004: ID 058f:6366 Alcor Micro Corp. Multi Flash Reader
    Bus 002 Device 003: ID 0489:e042 Foxconn / Hon Hai 
    Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
    Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    Bus 001 Device 003: ID 0c45:6455 Microdia 
    Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
    Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
    Bus 003 Device 004: ID 12d1:140b Huawei Technologies Co., Ltd. EC1260 Wireless Data Modem HSD USB Card
    Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    
    
    
    
    PCMCIA Card Info ~~~~~~~~~~~~~~~~~~~
    
    
    
    
    
    
    iwconfig ~~~~~~~~~~~~~~~~~~~~~~~~~~~
    
    
    wlan0     IEEE 802.11bgn  ESSID:off/any  
              Mode:Managed  Access Point: Not-Associated   Tx-Power=off   
              Retry  long limit:7   RTS thr:off   Fragment thrff
              Power Managementff
              
    
    
    
    
    rfkill ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    
    
          Interface        Soft blocked  Hard blocked
    0: phy0: Wireless LAN      no            yes
    1: hci0: Bluetooth         yes           no
    
    
    
    
    lsmod ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    
    
    ath9k                 164164  0 
    ath9k_common           13551  1 ath9k
    ath9k_hw              453856  2 ath9k_common,ath9k
    ath                    28698  3 ath9k_common,ath9k,ath9k_hw
    mac80211              630669  1 ath9k
    cfg80211              484040  3 ath,ath9k,mac80211
    wmi                    19177  0 
    
    
    
    
    module parameters ~~~~~~~~~~~~~~~~~~
    
    
    ath9k         (5): blink=0 | bt_ant_diversity=0 | btcoex_enable=0 | nohwcrypt=0 | ps_enable=0
    cfg80211      (2): cfg80211_disable_40mhz_24ghz=N | ieee80211_regdom=00
    mac80211      (5): beacon_loss_count=7 | ieee80211_default_rc_algo=minstrel_ht | max_nullfunc_tries=2 | max_probe_tries=5 | probe_wait_ms=500
    wmi           (2): debug_dump_wdg=N | debug_event=N
    
    
    
    
    nm-tool ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    
    
    State: connected (global)
    ================================================o=========================o=========o=============o=========o===========o==============o===========
     Interface & ID                                 | Type                    | Driver  | State       | Default | Speed     | Support      | HW Addr   
    ================================================o=========================o=========o=============o=========o===========o==============o===========
     ttyUSB2  [Tata Indicom (Photon+) connection 1] | Mobile Broadband (CDMA) | option1 | connected   | yes     |           |              |           
    
    
        Address:         14.98.77.67
        Prefix:          32 (255.255.255.255)
        Gateway:         172.29.145.129
        DNS:             103.8.44.5
        DNS:             103.8.45.5
    ------------------------------------------------+-------------------------+---------+-------------+---------+-----------+--------------+-----------
     eth0                                           | Wired                   | alx     | unavailable | no      |           |              | <MAC eth0>
    ------------------------------------------------+-------------------------+---------+-------------+---------+-----------+--------------+-----------
     wlan0                                          | 802.11 WiFi             | ath9k   | unavailable | no      |           | WEP/WPA/WPA2 | <MAC wlan0>
    ------------------------------------------------+-------------------------+---------+-------------+---------+-----------+--------------+-----------
    
    
    
    
    NetworkManager.state ~~~~~~~~~~~~~~~
    [main]
    NetworkingEnabled=true
    WirelessEnabled=false
    WWANEnabled=true
    WimaxEnabled=true
    
    
    
    
    NetworkManager.conf ~~~~~~~~~~~~~~~~
    
    
    [main]
    plugins=ifupdown,keyfile,ofono
    dns=dnsmasq
    
    
    no-auto-default=<MAC eth0>,
    
    
    [ifupdown]
    managed=false
    
    
    
    
    NM WiFi Profiles ~~~~~~~~~~~~~~~~~~~
    
    
    cmswire              : ssid=cmswire | mac-address=<MAC wlan0> | ipv4=auto | ipv6=auto 
    davis                : ssid=davis | mac-address=<MAC wlan0> | ipv4=auto | ipv6=auto 
    ehepd210             : ssid=ehepd210 | mac-address=<MAC wlan0> | ipv4=auto | ipv6=auto 
    guesthouse           : ssid=guesthouse | mac-address=<MAC wlan0> | ipv6=auto | ipv4=auto 
    Guest Network        : ssid=Guest Network | mac-address=<MAC wlan0> | ipv4=auto | ipv6=auto 
    IITG_GUEST           : ssid=IITG_GUEST | mac-address=<MAC wlan0> | ipv4=auto | ipv6=auto 
    internet             : ssid=internet | mac-address=<MAC wlan0> | ipv4=auto | ipv6=auto 
    internet 1           : ssid=internet | autoconnect=false | mac-address=<MAC wlan0> | ipv4=shared | ipv6=auto 
    kirti mobile         : ssid=kirti mobile | mac-address=<MAC wlan0> | ipv4=auto | ipv6=auto 
    Panasonic P81        : ssid=Panasonic P81 | mac-address=<MAC wlan0> | ipv6=auto | ipv4=auto 
    PU@CAMPUS            : ssid=PU@CAMPUS | mac-address=<MAC wlan0> | ipv4=auto | ipv6=auto 
    RAMANUJAN            : ssid=RAMANUJAN | mac-address=<MAC wlan0> | ipv4=auto | ipv6=auto 
    scorp                : ssid=scorp | mac-address=<MAC wlan0> | ipv4=auto | ipv6=auto 
    Tata-Photon-Max-Wi-Fi-2812 : ssid=Tata-Photon-Max-Wi-Fi-2812 | mac-address=<MAC wlan0> | ipv4=auto | ipv6=auto 
    TP-LINK_ED8319       : ssid=TP-LINK_ED8319 | mac-address=<MAC wlan0> | ipv4=auto | ipv6=auto 
    Tuta                 : ssid=Tuta | mac-address=<MAC wlan0> | ipv4=auto | ipv6=auto 
    Wi-Fi connection 1   : ssid=inter | ipv6=auto | ipv4=auto 
    
    
    
    
    interfaces ~~~~~~~~~~~~~~~~~~~~~~~~~
    
    
    # interfaces(5) file used by ifup(8) and ifdown(8)
    auto lo
    iface lo inet loopback
    
    
    resolv.conf ~~~~~~~~~~~~~~~~~~~~~~~~
    
    
    nameserver 127.0.1.1
    
    
    
    
    Routes & Ping ~~~~~~~~~~~~~~~~~~~~~~
    
    
    Kernel IP routing table
    Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
    0.0.0.0         172.29.145.129  0.0.0.0         UG    0      0        0 ppp0
    172.29.145.129  0.0.0.0         255.255.255.255 UH    0      0        0 ppp0
    
    
    --- 172.29.145.129 ping statistics ---
    2 packets transmitted, 2 received, 0% packet loss, time 1001ms
    rtt min/avg/max/mdev = 88.650/90.855/93.060/2.205 ms
    
    
    --- 127.0.1.1 ping statistics ---
    2 packets transmitted, 2 received, 0% packet loss, time 999ms
    rtt min/avg/max/mdev = 0.025/0.032/0.040/0.009 ms
    
    
    
    
    iw reg get ~~~~~~~~~~~~~~~~~~~~~~~~~
    
    
    (Region : "en_IN")
    country 00:
        (2402 - 2472 @ 40), (3, 20)
        (2457 - 2482 @ 40), (3, 20), PASSIVE-SCAN, NO-IBSS
        (2474 - 2494 @ 20), (3, 20), NO-OFDM, PASSIVE-SCAN, NO-IBSS
        (5170 - 5250 @ 40), (3, 20), PASSIVE-SCAN, NO-IBSS
        (5735 - 5835 @ 40), (3, 20), PASSIVE-SCAN, NO-IBSS
    
    
    
    
    iwlist chan ~~~~~~~~~~~~~~~~~~~~~~~~
    
    
    wlan0     13 channels in total; available frequencies :
              Channel 01 (2.412 GHz) - 13 (2.472 GHz)
    
    
    
    
    iwlist scan ~~~~~~~~~~~~~~~~~~~~~~~~
    
    
    
    
    
    
    blacklist ~~~~~~~~~~~~~~~~~~~~~~~~~~
    
    
    [/etc/modprobe.d/blacklist-ath_pci.conf]
    blacklist ath_pci
    
    
    
    
    modinfo ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    
    
    [ath9k]
    filename:       /lib/modules/3.13.0-46-generic/kernel/drivers/net/wireless/ath/ath9k/ath9k.ko
    srcversion:     274594FBD61F5DF88102A4C
    depends:        ath9k_hw,mac80211,ath9k_common,cfg80211,ath
    parm:           debug:Debugging mask (uint)
    parm:           nohwcrypt:Disable hardware encryption (int)
    parm:           blink:Enable LED blink on activity (int)
    parm:           btcoex_enable:Enable wifi-BT coexistence (int)
    parm:           bt_ant_diversity:Enable WLAN/BT RX antenna diversity (int)
    parm:           ps_enable:Enable WLAN PowerSave (int)
    
    
    [ath9k_common]
    filename:       /lib/modules/3.13.0-46-generic/kernel/drivers/net/wireless/ath/ath9k/ath9k_common.ko
    srcversion:     93644B269B570BC55CF5154
    depends:        ath,ath9k_hw
    
    
    [ath9k_hw]
    filename:       /lib/modules/3.13.0-46-generic/kernel/drivers/net/wireless/ath/ath9k/ath9k_hw.ko
    srcversion:     65C14EF588BF1A68181643C
    depends:        ath
    
    
    [ath]
    filename:       /lib/modules/3.13.0-46-generic/kernel/drivers/net/wireless/ath/ath.ko
    srcversion:     88A67C5359B02C5A710AFCF
    depends:        cfg80211
    
    
    [mac80211]
    filename:       /lib/modules/3.13.0-46-generic/kernel/net/mac80211/mac80211.ko
    srcversion:     B8DF1ECC076C2FCEAC70533
    depends:        cfg80211
    parm:           max_nullfunc_tries:Maximum nullfunc tx tries before disconnecting (reason 4). (int)
    parm:           max_probe_tries:Maximum probe tries before disconnecting (reason 4). (int)
    parm:           beacon_loss_count:Number of beacon intervals before we decide beacon was lost. (int)
    parm:           probe_wait_ms:Maximum time(ms) to wait for probe response before disconnecting (reason 4). (int)
    parm:           ieee80211_default_rc_algo:Default rate control algorithm for mac80211 to use (charp)
    
    
    [cfg80211]
    filename:       /lib/modules/3.13.0-46-generic/kernel/net/wireless/cfg80211.ko
    srcversion:     5C139B156678DB83EDA757D
    depends:        
    parm:           ieee80211_regdom:IEEE 802.11 regulatory domain code (charp)
    parm:           cfg80211_disable_40mhz_24ghz:Disable 40MHz support in the 2.4GHz band (bool)
    
    
    [wmi]
    filename:       /lib/modules/3.13.0-46-generic/kernel/drivers/platform/x86/wmi.ko
    srcversion:     CED5410F008DC70DF5F064B
    depends:        
    parm:           debug_event:Log WMI Events [0/1] (bool)
    parm:           debug_dump_wdg:Dump available WMI interfaces [0/1] (bool)
    
    
    
    
    udev rules ~~~~~~~~~~~~~~~~~~~~~~~~~
    
    
    # PCI device 0x1969:0x1090 (alx)
    SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="<MAC eth0>", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="eth*", NAME="eth0"
    
    
    # PCI device 0x168c:0x002b (ath9k)
    SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="<MAC wlan0>", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="wlan*", NAME="wlan0"
    
    
    
    
    Custom files/entries ~~~~~~~~~~~~~~~
    
    
    /etc/modules        : Default
    /etc/rc.local       : Default
    /etc/modprobe.d     : Not Default
    /etc/pm/(cnf|pw|sl) : Default
    
    
    [/etc/modprobe.d]
    iwlwifi.conf      : remove iwlwifi \
                        (/sbin/lsmod | grep -o -e ^iwlmvm -e ^iwldvm -e ^iwlwifi | xargs /sbin/rmmod) \
                        && /sbin/modprobe -r mac80211
    mlx4.conf         : softdep mlx4_core post: mlx4_en
    
    
    
    
    Kernel boot line ~~~~~~~~~~~~~~~~~~~
    
    
    BOOT_IMAGE=/boot/vmlinuz-3.13.0-46-generic.efi.signed root=UUID=f1de0020-1f39-4c43-89d5-214805c9a690 ro quiet splash vt.handoff=7
    
    
    
    
    dmesg ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    
    
    [    0.476795] microcode: Microcode Update Driver: v2.00 <tigran@aivazian.fsnet.co.uk>, Peter Oruba
    [    0.477078] audit: initializing netlink socket (disabled)
    [    0.610861] alx 0000:03:00.0 eth0: Qualcomm Atheros AR816x/AR817x Ethernet [<MAC eth0>]
    [   12.826449] wmi: Mapper loaded
    [   13.002752] ath: phy0: Enable LNA combining
    [   13.005489] ath: phy0: ASPM enabled: 0x43
    [   13.005492] ath: EEPROM regdomain: 0x65
    [   13.005494] ath: EEPROM indicates we should expect a direct regpair map
    [   13.005495] ath: Country alpha2 being used: 00
    [   13.005496] ath: Regpair used: 0x65
    [   41.888752] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
    [   44.210017] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
    
    
        ======== Done ========
    It seems your wifi is disabled as rfkill shows a hard block. You can try
    Code:
    echo "blacklist ideapad_laptop" | sudo tee /etc/modprobe.d/ideapad.conf
    and reboot and see if it works

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