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Thread: BCM43142 keeps disconnecting

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  1. #1
    Join Date
    Jul 2011
    Location
    Slovakia
    Beans
    25
    Distro
    Ubuntu Gnome 16.04 Xenial Xerus

    BCM43142 keeps disconnecting

    Hello everybody,
    I installed Ubuntu 14.04 on my HP Pavilion 15 laptop, which has BCM43142 Wireless card. Problem is, that the card keeps disconnecting. I tried a lot of solutions found here on the forums, but none of them helped.
    Laptop sometimes disconnects and then connects again. It sometimes even asks for password. Restarting the laptop sometimes helps (for a while).

    Thank you for your help.

    Code:
    ########## wireless info START ##########
    
    Report from: 17 Sep 2015 14:10 CEST +0200
    
    Booted last: 17 Sep 2015 14:06 CEST +0200
    
    Script from: 14 Jul 2015 17:04 UTC +0000
    
    ##### release ###########################
    
    Distributor ID:    Ubuntu
    Description:    Ubuntu 14.04.3 LTS
    Release:    14.04
    Codename:    trusty
    
    ##### kernel ############################
    
    Linux 3.19.0-28-generic #30~14.04.1-Ubuntu SMP Tue Sep 1 09:32:55 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
    
    Parameters: ro, quiet, splash, vt.handoff=7
    
    ##### desktop ###########################
    
    Ubuntu
    
    ##### lspci #############################
    
    08:00.0 Network controller [0280]: Broadcom Corporation BCM43142 802.11b/g/n [14e4:4365] (rev 01)
        Subsystem: Hewlett-Packard Company Device [103c:2230]
        Kernel driver in use: wl
    
    09:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8101E/RTL8102E PCI Express Fast Ethernet controller [10ec:8136] (rev 08)
        Subsystem: Hewlett-Packard Company Device [103c:2281]
        Kernel driver in use: r8169
    
    ##### lsusb #############################
    
    Bus 003 Device 004: ID 0a5c:216c Broadcom Corp. 
    Bus 003 Device 003: ID 04f2:b45e Chicony Electronics Co., Ltd 
    Bus 003 Device 002: ID 8087:8000 Intel Corp. 
    Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
    Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    
    ##### PCMCIA card info ##################
    
    ##### rfkill ############################
    
    0: phy0: Wireless LAN
        Soft blocked: no
        Hard blocked: no
    1: brcmwl-0: Wireless LAN
        Soft blocked: no
        Hard blocked: no
    2: hci0: Bluetooth
        Soft blocked: no
        Hard blocked: no
    
    ##### lsmod #############################
    
    hp_wmi                 16384  0 
    sparse_keymap          16384  1 hp_wmi
    wl                   6369280  0 
    cfg80211              524288  1 wl
    wmi                    20480  1 hp_wmi
    
    ##### interfaces ########################
    
    auto lo
    iface lo inet loopback
    
    ##### ifconfig ##########################
    
    eth0      Link encap:Ethernet  HWaddr <MAC 'eth0' [IF]>  
              UP BROADCAST MULTICAST  MTU:1500  Metric:1
              RX packets:0 errors:0 dropped:0 overruns:0 frame:0
              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)
    
    wlan0     Link encap:Ethernet  HWaddr <MAC 'wlan0' [IF]>  
              inet addr:192.168.0.103  Bcast:192.168.0.255  Mask:255.255.255.0
              inet6 addr: fe80::<IP6 'wlan0' [IF]>/64 Scope:Link
              UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
              RX packets:1592 errors:0 dropped:0 overruns:0 frame:523
              TX packets:1509 errors:0 dropped:0 overruns:0 carrier:0
              collisions:0 txqueuelen:1000 
              RX bytes:1406972 (1.4 MB)  TX bytes:252997 (252.9 KB)
              Interrupt:18 
    
    ##### iwconfig ##########################
    
    eth0      no wireless extensions.
    
    lo        no wireless extensions.
    
    wlan0     IEEE 802.11abg  ESSID:"Missinka"  
              Mode:Managed  Frequency:2.437 GHz  Access Point: <MAC 'Missinka' [AC1]>   
              Retry short limit:7   RTS thr:off   Fragment thr:off
              Power Management:on
              
    
    ##### route #############################
    
    Kernel IP routing table
    Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
    0.0.0.0         192.168.0.1     0.0.0.0         UG    0      0        0 wlan0
    192.168.0.0     0.0.0.0         255.255.255.0   U     9      0        0 wlan0
    
    ##### resolv.conf #######################
    
    nameserver 127.0.1.1
    
    ##### network managers ##################
    
    Installed:
    
        NetworkManager
    
    Running:
    
    root       807     1  0 14:06 ?        00:00:00 NetworkManager
    
    ##### NetworkManager info ###############
    
    NetworkManager Tool
    
    State: connected (global)
    
    - Device: eth0 -----------------------------------------------------------------
      Type:              Wired
      Driver:            r8169
      State:             unavailable
      Default:           no
      HW Address:        <MAC 'eth0' [IF]>
    
      Capabilities:
        Carrier Detect:  yes
    
      Wired Properties
        Carrier:         off
    
    - Device: wlan0  [Missinka] ----------------------------------------------------
      Type:              802.11 WiFi
      Driver:            wl
      State:             connected
      Default:           yes
      HW Address:        <MAC 'wlan0' [IF]>
    
      Capabilities:
        Speed:           72 Mb/s
    
      Wireless Properties
        WEP Encryption:  yes
        WPA Encryption:  yes
        WPA2 Encryption: yes
    
      Wireless Access Points (* = current AP)
        ADB-5752A1:      Infra, <MAC 'ADB-5752A1' [AC2]>, Freq 2412 MHz, Rate 54 Mb/s, Strength 80 WPA2
        UPC203537:       Infra, <MAC 'UPC203537' [AC3]>, Freq 2462 MHz, Rate 54 Mb/s, Strength 62 WPA WPA2
        Vlado:           Infra, <MAC 'Vlado' [AC4]>, Freq 2437 MHz, Rate 54 Mb/s, Strength 49 WPA WPA2
        Melody:          Infra, <MAC 'Melody' [AC7]>, Freq 2462 MHz, Rate 54 Mb/s, Strength 45 WPA WPA2
        delazvolo:       Infra, <MAC 'delazvolo' [AC8]>, Freq 2462 MHz, Rate 54 Mb/s, Strength 44 WPA WPA2
        Ruzomberok:      Infra, <MAC 'Ruzomberok' [AN6]>, Freq 2422 MHz, Rate 54 Mb/s, Strength 30 WPA WPA2
        iWifi:           Infra, <MAC 'iWifi' [AC10]>, Freq 2462 MHz, Rate 54 Mb/s, Strength 27 WPA
        Lucinka:         Infra, <MAC 'Lucinka' [AC6]>, Freq 2437 MHz, Rate 54 Mb/s, Strength 25 WPA
        UPC056843:       Infra, <MAC 'UPC056843' [AN9]>, Freq 2412 MHz, Rate 54 Mb/s, Strength 24 WPA WPA2
        mirka:           Infra, <MAC 'mirka' [AC5]>, Freq 2437 MHz, Rate 54 Mb/s, Strength 42 WEP
        *Missinka:       Infra, <MAC 'Missinka' [AC1]>, Freq 2437 MHz, Rate 54 Mb/s, Strength 42 WPA2
        TP-LINK_875D66:  Infra, <MAC 'TP-LINK_875D66' [AC11]>, Freq 2427 MHz, Rate 54 Mb/s, Strength 19 WPA2
    
      IPv4 Settings:
        Address:         192.168.0.103
        Prefix:          24 (255.255.255.0)
        Gateway:         192.168.0.1
    
        DNS:             192.168.0.1
    
    ##### NetworkManager.state ##############
    
    [main]
    NetworkingEnabled=true
    WirelessEnabled=true
    WWANEnabled=true
    WimaxEnabled=true
    
    ##### NetworkManager.conf ###############
    
    [main]
    plugins=ifupdown,keyfile,ofono
    dns=dnsmasq
    
    [ifupdown]
    managed=false
    
    ##### NetworkManager profiles ###########
    
    [[/etc/NetworkManager/system-connections/Missinka]] (600 root)
    [connection] id=Missinka | type=802-11-wireless
    [802-11-wireless] ssid=Missinka | mac-address=<MAC 'wlan0' [IF]>
    [ipv4] method=auto
    [ipv6] method=auto
    
    [[/etc/NetworkManager/system-connections/peter]] (600 root)
    [connection] id=peter | type=802-11-wireless
    [802-11-wireless] ssid=peter | mac-address=<MAC 'wlan0' [IF]>
    [ipv4] method=auto
    [ipv6] method=auto
    
    [[/etc/NetworkManager/system-connections/L.Wifi]] (600 root)
    [connection] id=L.Wifi | type=802-11-wireless
    [802-11-wireless] ssid=L.Wifi | mac-address=<MAC 'wlan0' [IF]>
    [ipv4] method=auto
    [ipv6] method=auto
    
    ##### iw reg get ########################
    
    Region: Europe/Bratislava (based on set time zone)
    
    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 channels ###################
    
    eth0      no frequency information.
    
    lo        no frequency information.
    
    wlan0     26 channels in total; available frequencies :
              Channel 01 : 2.412 GHz
              Channel 02 : 2.417 GHz
              Channel 03 : 2.422 GHz
              Channel 04 : 2.427 GHz
              Channel 05 : 2.432 GHz
              Channel 06 : 2.437 GHz
              Channel 07 : 2.442 GHz
              Channel 08 : 2.447 GHz
              Channel 09 : 2.452 GHz
              Channel 10 : 2.457 GHz
              Channel 11 : 2.462 GHz
              Channel 12 : 2.467 GHz
              Channel 13 : 2.472 GHz
              Channel 14 : 2.484 GHz
              Channel 36 : 5.18 GHz
              Channel 38 : 5.19 GHz
              Channel 40 : 5.2 GHz
              Channel 42 : 5.21 GHz
              Channel 44 : 5.22 GHz
              Channel 46 : 5.23 GHz
              Channel 48 : 5.24 GHz
              Channel 149 : 5.745 GHz
              Channel 153 : 5.765 GHz
              Channel 157 : 5.785 GHz
              Channel 161 : 5.805 GHz
              Channel 165 : 5.825 GHz
              Current Frequency:2.437 GHz (Channel 6)
    
    ##### iwlist scan #######################
    
    eth0      Interface doesn't support scanning.
    
    lo        Interface doesn't support scanning.
    
    Channel occupancy:
    
          3   APs on   Frequency:2.412 GHz (Channel 1)
          1   APs on   Frequency:2.427 GHz (Channel 4)
          4   APs on   Frequency:2.437 GHz (Channel 6)
          3   APs on   Frequency:2.462 GHz (Channel 11)
    
    wlan0     Scan completed :
              Cell 01 - Address: <MAC 'Missinka' [AC1]>
                        Channel:6
                        Frequency:2.437 GHz (Channel 6)
                        Quality=45/70  Signal level=-65 dBm  
                        Encryption key:on
                        ESSID:"Missinka"
                        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=0000000000000000
                        Extra: Last beacon: 40ms ago
                        IE: IEEE 802.11i/WPA2 Version 1
                            Group Cipher : TKIP
                            Pairwise Ciphers (2) : CCMP TKIP
                            Authentication Suites (1) : PSK
              Cell 02 - Address: <MAC 'ADB-5752A1' [AC2]>
                        Channel:1
                        Frequency:2.412 GHz (Channel 1)
                        Quality=59/70  Signal level=-51 dBm  
                        Encryption key:on
                        ESSID:"ADB-5752A1"
                        Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 18 Mb/s
                                  24 Mb/s; 36 Mb/s; 54 Mb/s
                        Bit Rates:6 Mb/s; 9 Mb/s; 12 Mb/s; 48 Mb/s
                        Mode:Master
                        Extra:tsf=0000000000000000
                        Extra: Last beacon: 40ms ago
                        IE: IEEE 802.11i/WPA2 Version 1
                            Group Cipher : CCMP
                            Pairwise Ciphers (1) : CCMP
                            Authentication Suites (1) : PSK
              Cell 03 - Address: <MAC 'UPC203537' [AC3]>
                        Channel:11
                        Frequency:2.462 GHz (Channel 11)
                        Quality=44/70  Signal level=-66 dBm  
                        Encryption key:on
                        ESSID:"UPC203537"
                        Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s
                        Bit Rates:6 Mb/s; 9 Mb/s; 12 Mb/s; 18 Mb/s; 24 Mb/s
                                  36 Mb/s; 48 Mb/s; 54 Mb/s
                        Mode:Master
                        Extra:tsf=0000000000000000
                        Extra: Last beacon: 40ms ago
                        IE: IEEE 802.11i/WPA2 Version 1
                            Group Cipher : TKIP
                            Pairwise Ciphers (2) : CCMP TKIP
                            Authentication Suites (1) : PSK
                        IE: WPA Version 1
                            Group Cipher : TKIP
                            Pairwise Ciphers (2) : CCMP TKIP
                            Authentication Suites (1) : PSK
              Cell 04 - Address: <MAC 'Vlado' [AC4]>
                        Channel:6
                        Frequency:2.437 GHz (Channel 6)
                        Quality=41/70  Signal level=-69 dBm  
                        Encryption key:on
                        ESSID:"Vlado"
                        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=0000000000000000
                        Extra: Last beacon: 40ms ago
                        IE: IEEE 802.11i/WPA2 Version 1
                            Group Cipher : TKIP
                            Pairwise Ciphers (2) : CCMP TKIP
                            Authentication Suites (1) : PSK
                        IE: WPA Version 1
                            Group Cipher : TKIP
                            Pairwise Ciphers (2) : CCMP TKIP
                            Authentication Suites (1) : PSK
              Cell 05 - Address: <MAC 'mirka' [AC5]>
                        Channel:6
                        Frequency:2.437 GHz (Channel 6)
                        Quality=33/70  Signal level=-77 dBm  
                        Encryption key:on
                        ESSID:"mirka"
                        Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s
                        Bit Rates:6 Mb/s; 9 Mb/s; 12 Mb/s; 18 Mb/s; 24 Mb/s
                                  36 Mb/s; 48 Mb/s; 54 Mb/s
                        Mode:Master
                        Extra:tsf=0000000000000000
                        Extra: Last beacon: 40ms ago
              Cell 06 - Address: <MAC 'Lucinka' [AC6]>
                        Channel:6
                        Frequency:2.437 GHz (Channel 6)
                        Quality=27/70  Signal level=-83 dBm  
                        Encryption key:on
                        ESSID:"Lucinka"
                        Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s
                        Bit Rates:6 Mb/s; 9 Mb/s; 12 Mb/s; 18 Mb/s; 24 Mb/s
                                  36 Mb/s; 48 Mb/s; 54 Mb/s
                        Mode:Master
                        Extra:tsf=0000000000000000
                        Extra: Last beacon: 40ms ago
                        IE: WPA Version 1
                            Group Cipher : CCMP
                            Pairwise Ciphers (1) : CCMP
                            Authentication Suites (1) : PSK
              Cell 07 - Address: <MAC 'Melody' [AC7]>
                        Channel:11
                        Frequency:2.462 GHz (Channel 11)
                        Quality=26/70  Signal level=-84 dBm  
                        Encryption key:on
                        ESSID:"Melody"
                        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=0000000000000000
                        Extra: Last beacon: 40ms ago
                        IE: IEEE 802.11i/WPA2 Version 1
                            Group Cipher : TKIP
                            Pairwise Ciphers (2) : CCMP TKIP
                            Authentication Suites (1) : PSK
                        IE: WPA Version 1
                            Group Cipher : TKIP
                            Pairwise Ciphers (2) : CCMP TKIP
                            Authentication Suites (1) : PSK
              Cell 08 - Address: <MAC 'delazvolo' [AC8]>
                        Channel:11
                        Frequency:2.462 GHz (Channel 11)
                        Quality=32/70  Signal level=-78 dBm  
                        Encryption key:on
                        ESSID:"delazvolo"
                        Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 9 Mb/s
                                  18 Mb/s; 36 Mb/s; 54 Mb/s
                        Bit Rates:6 Mb/s; 12 Mb/s; 24 Mb/s; 48 Mb/s
                        Mode:Master
                        Extra:tsf=0000000000000000
                        Extra: Last beacon: 40ms ago
                        IE: WPA Version 1
                            Group Cipher : TKIP
                            Pairwise Ciphers (2) : CCMP TKIP
                            Authentication Suites (1) : PSK
                        IE: IEEE 802.11i/WPA2 Version 1
                            Group Cipher : TKIP
                            Pairwise Ciphers (2) : CCMP TKIP
                            Authentication Suites (1) : PSK
              Cell 09 - Address: <MAC 'Freeee' [AC9]>
                        Channel:1
                        Frequency:2.412 GHz (Channel 1)
                        Quality=20/70  Signal level=-90 dBm  
                        Encryption key:off
                        ESSID:"Freeee"
                        Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 9 Mb/s
                                  18 Mb/s; 36 Mb/s; 54 Mb/s
                        Bit Rates:6 Mb/s; 12 Mb/s; 24 Mb/s; 48 Mb/s
                        Mode:Master
                        Extra:tsf=0000000000000000
                        Extra: Last beacon: 40ms ago
              Cell 10 - Address: <MAC 'iWifi' [AC10]>
                        Channel:1
                        Frequency:2.412 GHz (Channel 1)
                        Quality=25/70  Signal level=-85 dBm  
                        Encryption key:on
                        ESSID:"iWifi"
                        Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 18 Mb/s
                                  24 Mb/s; 36 Mb/s; 54 Mb/s
                        Bit Rates:6 Mb/s; 9 Mb/s; 12 Mb/s; 48 Mb/s
                        Mode:Master
                        Extra:tsf=0000000000000000
                        Extra: Last beacon: 40ms ago
                        IE: WPA Version 1
                            Group Cipher : TKIP
                            Pairwise Ciphers (1) : TKIP
                            Authentication Suites (1) : PSK
              Cell 11 - Address: <MAC 'TP-LINK_875D66' [AC11]>
                        Channel:4
                        Frequency:2.427 GHz (Channel 4)
                        Quality=21/70  Signal level=-89 dBm  
                        Encryption key:on
                        ESSID:"TP-LINK_875D66"
                        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=0000000000000000
                        Extra: Last beacon: 40ms ago
                        IE: IEEE 802.11i/WPA2 Version 1
                            Group Cipher : CCMP
                            Pairwise Ciphers (1) : CCMP
                            Authentication Suites (1) : PSK
    
    ##### module infos ######################
    
    [wl]
    filename:       /lib/modules/3.19.0-28-generic/updates/dkms/wl.ko
    license:        MIXED/Proprietary
    srcversion:     9A49255BA90267D99664757
    depends:        cfg80211
    vermagic:       3.19.0-28-generic SMP mod_unload modversions 
    parm:           passivemode:int
    parm:           wl_txq_thresh:int
    parm:           oneonly:int
    parm:           piomode:int
    parm:           instance_base:int
    parm:           nompc:int
    parm:           intf_name:string
    
    [cfg80211]
    filename:       /lib/modules/3.19.0-28-generic/kernel/net/wireless/cfg80211.ko
    description:    wireless configuration support
    license:        GPL
    author:         Johannes Berg
    srcversion:     F28307769349A31F4B24FC2
    depends:        
    intree:         Y
    vermagic:       3.19.0-28-generic SMP mod_unload modversions 
    signer:         Magrathea: Glacier signing key
    sig_key:        29:4D:C0:12:70:6F:48:B7:CD:DF:63:74:E2:D7:9F:E1:B0:60:92:69
    sig_hashalgo:   sha512
    parm:           ieee80211_regdom:IEEE 802.11 regulatory domain code (charp)
    parm:           cfg80211_disable_40mhz_24ghz:Disable 40MHz support in the 2.4GHz band (bool)
    
    ##### module parameters #################
    
    [cfg80211]
    cfg80211_disable_40mhz_24ghz: N
    ieee80211_regdom: 00
    
    ##### /etc/modules ######################
    
    lp
    rtc
    
    coretemp
    
    ##### modprobe options ##################
    
    [/etc/modprobe.d/blacklist-ath_pci.conf]
    blacklist ath_pci
    
    [/etc/modprobe.d/blacklist-bcm43.conf]
    blacklist b43
    blacklist b43legacy
    blacklist ssb
    blacklist bcm43xx
    blacklist brcm80211
    blacklist brcmfmac
    blacklist brcmsmac
    blacklist bcma
    
    [/etc/modprobe.d/blacklist.conf]
    blacklist evbug
    blacklist usbmouse
    blacklist usbkbd
    blacklist eepro100
    blacklist de4x5
    blacklist eth1394
    blacklist snd_intel8x0m
    blacklist snd_aw2
    blacklist i2c_i801
    blacklist prism54
    blacklist bcm43xx
    blacklist garmin_gps
    blacklist asus_acpi
    blacklist snd_pcsp
    blacklist pcspkr
    blacklist amd76x_edac
    
    [/etc/modprobe.d/blacklist-rare-network.conf]
    alias net-pf-3 off
    alias net-pf-6 off
    alias net-pf-9 off
    alias net-pf-11 off
    alias net-pf-12 off
    alias net-pf-19 off
    alias net-pf-21 off
    alias net-pf-36 off
    
    [/etc/modprobe.d/iwlwifi.conf]
    remove iwlwifi \
    (/sbin/lsmod | grep -o -e ^iwlmvm -e ^iwldvm -e ^iwlwifi | xargs /sbin/rmmod) \
    && /sbin/modprobe -r mac80211
    
    [/etc/modprobe.d/mlx4.conf]
    softdep mlx4_core post: mlx4_en
    
    ##### rc.local ##########################
    
    exit 0
    
    ##### pm-utils ##########################
    
    [/etc/pm/power.d/disable_wol] (777 root)
    CONFFILE=/etc/default/tlp
    LIBDIRS='/usr/lib /usr/lib64'
    for d in ${LIBDIRS}; do
        if [ -d "${d}/pm-utils/power.d" ]; then
            blocked="${d}/pm-utils/power.d/${0##*/}"
            break
        fi
    done
    if [ -n "$blocked" ] && [ -x "$blocked" ]; then
        # else nothing to disable -> don't read $CONFFILE
        if [ -e "$CONFFILE" ] && . "$CONFFILE" && [ "$TLP_ENABLE" = '1' ]; then
            # TLP is enabled -> disable $blocked
            echo "Notice: '${blocked}' disabled by TLP."
        else
            exec "$blocked" $*
        fi
    fi
    exit 0
    
    [/etc/pm/power.d/laptop-mode] (777 root)
    CONFFILE=/etc/default/tlp
    LIBDIRS='/usr/lib /usr/lib64'
    for d in ${LIBDIRS}; do
        if [ -d "${d}/pm-utils/power.d" ]; then
            blocked="${d}/pm-utils/power.d/${0##*/}"
            break
        fi
    done
    if [ -n "$blocked" ] && [ -x "$blocked" ]; then
        # else nothing to disable -> don't read $CONFFILE
        if [ -e "$CONFFILE" ] && . "$CONFFILE" && [ "$TLP_ENABLE" = '1' ]; then
            # TLP is enabled -> disable $blocked
            echo "Notice: '${blocked}' disabled by TLP."
        else
            exec "$blocked" $*
        fi
    fi
    exit 0
    
    [/etc/pm/power.d/pci_devices] (777 root)
    CONFFILE=/etc/default/tlp
    LIBDIRS='/usr/lib /usr/lib64'
    for d in ${LIBDIRS}; do
        if [ -d "${d}/pm-utils/power.d" ]; then
            blocked="${d}/pm-utils/power.d/${0##*/}"
            break
        fi
    done
    if [ -n "$blocked" ] && [ -x "$blocked" ]; then
        # else nothing to disable -> don't read $CONFFILE
        if [ -e "$CONFFILE" ] && . "$CONFFILE" && [ "$TLP_ENABLE" = '1' ]; then
            # TLP is enabled -> disable $blocked
            echo "Notice: '${blocked}' disabled by TLP."
        else
            exec "$blocked" $*
        fi
    fi
    exit 0
    
    [/etc/pm/power.d/pcie_aspm] (777 root)
    CONFFILE=/etc/default/tlp
    LIBDIRS='/usr/lib /usr/lib64'
    for d in ${LIBDIRS}; do
        if [ -d "${d}/pm-utils/power.d" ]; then
            blocked="${d}/pm-utils/power.d/${0##*/}"
            break
        fi
    done
    if [ -n "$blocked" ] && [ -x "$blocked" ]; then
        # else nothing to disable -> don't read $CONFFILE
        if [ -e "$CONFFILE" ] && . "$CONFFILE" && [ "$TLP_ENABLE" = '1' ]; then
            # TLP is enabled -> disable $blocked
            echo "Notice: '${blocked}' disabled by TLP."
        else
            exec "$blocked" $*
        fi
    fi
    exit 0
    
    [/etc/pm/power.d/sched-powersave] (777 root)
    CONFFILE=/etc/default/tlp
    LIBDIRS='/usr/lib /usr/lib64'
    for d in ${LIBDIRS}; do
        if [ -d "${d}/pm-utils/power.d" ]; then
            blocked="${d}/pm-utils/power.d/${0##*/}"
            break
        fi
    done
    if [ -n "$blocked" ] && [ -x "$blocked" ]; then
        # else nothing to disable -> don't read $CONFFILE
        if [ -e "$CONFFILE" ] && . "$CONFFILE" && [ "$TLP_ENABLE" = '1' ]; then
            # TLP is enabled -> disable $blocked
            echo "Notice: '${blocked}' disabled by TLP."
        else
            exec "$blocked" $*
        fi
    fi
    exit 0
    
    [/etc/pm/power.d/usb_bluetooth] (777 root)
    CONFFILE=/etc/default/tlp
    LIBDIRS='/usr/lib /usr/lib64'
    for d in ${LIBDIRS}; do
        if [ -d "${d}/pm-utils/power.d" ]; then
            blocked="${d}/pm-utils/power.d/${0##*/}"
            break
        fi
    done
    if [ -n "$blocked" ] && [ -x "$blocked" ]; then
        # else nothing to disable -> don't read $CONFFILE
        if [ -e "$CONFFILE" ] && . "$CONFFILE" && [ "$TLP_ENABLE" = '1' ]; then
            # TLP is enabled -> disable $blocked
            echo "Notice: '${blocked}' disabled by TLP."
        else
            exec "$blocked" $*
        fi
    fi
    exit 0
    
    [/etc/pm/power.d/wireless] (777 root)
    CONFFILE=/etc/default/tlp
    LIBDIRS='/usr/lib /usr/lib64'
    for d in ${LIBDIRS}; do
        if [ -d "${d}/pm-utils/power.d" ]; then
            blocked="${d}/pm-utils/power.d/${0##*/}"
            break
        fi
    done
    if [ -n "$blocked" ] && [ -x "$blocked" ]; then
        # else nothing to disable -> don't read $CONFFILE
        if [ -e "$CONFFILE" ] && . "$CONFFILE" && [ "$TLP_ENABLE" = '1' ]; then
            # TLP is enabled -> disable $blocked
            echo "Notice: '${blocked}' disabled by TLP."
        else
            exec "$blocked" $*
        fi
    fi
    exit 0
    
    [/etc/pm/power.d/xfs_buffer] (777 root)
    CONFFILE=/etc/default/tlp
    LIBDIRS='/usr/lib /usr/lib64'
    for d in ${LIBDIRS}; do
        if [ -d "${d}/pm-utils/power.d" ]; then
            blocked="${d}/pm-utils/power.d/${0##*/}"
            break
        fi
    done
    if [ -n "$blocked" ] && [ -x "$blocked" ]; then
        # else nothing to disable -> don't read $CONFFILE
        if [ -e "$CONFFILE" ] && . "$CONFFILE" && [ "$TLP_ENABLE" = '1' ]; then
            # TLP is enabled -> disable $blocked
            echo "Notice: '${blocked}' disabled by TLP."
        else
            exec "$blocked" $*
        fi
    fi
    exit 0
    
    ##### udev rules ########################
    
    [/etc/udev/rules.d/70-persistent-net.rules]
    # PCI device 0x10ec:0x8136 (r8169)
    SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="<MAC 'eth0' [IF]>", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="eth*", NAME="eth0"
    # PCI device 0x14e4:0x4365 (wl)
    SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="<MAC 'wlan0' [IF]>", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="wlan*", NAME="wlan0"
    
    ##### dmesg #############################
    
    [    5.314571] wlan0: Broadcom BCM4365 802.11 Hybrid Wireless Controller 6.30.223.248 (r487574)
    [    6.716541] bluetooth hci0: Direct firmware load for brcm/BCM43142A0-0a5c-216c.hcd failed with error -2
    [    6.716546] Bluetooth: hci0: BCM: patch brcm/BCM43142A0-0a5c-216c.hcd not found
    [  236.635248] ERROR @wl_dev_intvar_get : error (-1)
    
    ########## wireless info END ############

  2. #2
    Join Date
    Nov 2014
    Beans
    1

    Re: BCM43142 keeps disconnecting

    I have the same problem with my HP.
    Probably the best solution is throw the laptop in the trash and buy a MSI or something similar.
    I am really discouraged with my HP laptop.
    Anyway I have written broadcom several times asking for improve the linux driver, but I did not recive response yet.
    If you like your HP(strange) you might look for a wifi card change.
    Last edited by bougar; September 19th, 2015 at 10:04 AM.

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