UNCLAIMED Wireless Network controller [0280]: Broadcom Corporation BCM43142 802.11b/g/n [14e4:4365] (rev 01) not working on Dell Vostro 3460 in Ubuntu 12.10

Asked by Simon Schneiter

The Dell Vostro 3460 comes with Ubuntu 11.10 preinstalled and everything working properly. Unfortunately the upgrade to 12.04 is not working and so I had to erase the installation and installed Ubuntu 12.10 from scratch. With Ubuntu 12.10 the Wifi is not working. Probling solving descriptions in the internet are either not working or to complicated for me to understand as an ordinary enduser.

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actionparsnip (andrew-woodhead666) said :
#1

What is the output of:

sudo lshw -C network; lsb_release -a; uname -a

Thanks

Revision history for this message
Simon Schneiter (simoneugenschneiter) said :
#2

*-network UNCLAIMED
       description: Network controller
       product: BCM43142 802.11b/g/n
       vendor: Broadcom Corporation
       physical id: 0
       bus info: pci@0000:01:00.0
       version: 01
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress bus_master cap_list
       configuration: latency=0
       resources: memory:d0500000-d0507fff
  *-network
       description: Ethernet interface
       product: AR8161 Gigabit Ethernet
       vendor: Atheros Communications Inc.
       physical id: 0
       bus info: pci@0000:02:00.0
       logical name: eth0
       version: 10
       serial: 5c:f9:dd:58:0f:81
       capacity: 1Gbit/s
       width: 64 bits
       clock: 33MHz
       capabilities: pm pciexpress msi msix bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
       configuration: autonegotiation=on broadcast=yes driver=alx driverversion=1.2.2 firmware=N/A latency=0 link=no multicast=yes port=twisted pair
       resources: irq:16 memory:d0400000-d043ffff ioport:2000(size=128)
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 12.10
Release: 12.10
Codename: quantal
Linux Laptop 3.5.0-25-generic #38-Ubuntu SMP Mon Feb 18 23:27:42 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux

thank you

Revision history for this message
Mark Rijckenberg (markrijckenberg) said :
#3

Hi,

Please first connect your wired network adapter to the wireless router using an ethernet cable (also known as a LAN cable).

In order to gather essential troubleshooting information about your wireless card, please follow this procedure:

Step 1:

If you are using the Gnome interface, open the Terminal console via "Applications->Accessories->Terminal"

If you are using the Unity interface, the easiest way to open the Terminal is to use the 'search' function on the dash. Or you can click on the 'More Apps' button, click on the 'See more results' by the installed section, and find it in that list of applications. A third way, available after you click on the 'More Apps' button, is to go to the search bar, and see that the far right end of it says 'All Applications'. You then click on that, and you'll see the full list. Then you can go to Accessories > Terminal after that.

The methods in Unity are:
Press Control-ALT-T key combination.
Dash > Search for Terminal
Dash > More Apps > 'See More Results' > Terminal
Dash > More Apps > Accessories > Terminal

Step 2: Please copy-paste the following command from https://help.ubuntu.com/community/WirelessTroubleshootingProcedure in Firefox into the Linux Terminal. Do NOT copy-paste from the Email message into the Terminal, as that will only copy PART of the command. The command STARTS with the word sudo and ENDS with the word lsmod. So please copy-paste the ENTIRE command below from Firefox into a Terminal, press <enter>, then enter password when sudo asks for password, then press enter again.

Tip: If you have a wheel mouse or 3 button mouse you do not need to type commands into the Terminal. Highlight the command written on the page. Move your cursor anywhere in the Terminal and press the wheel or middle button. Automatic Copy and paste! No spelling mistakes! No Typos! No other errors!

sudo apt-get update; sudo apt-get install hwinfo grep rfkill; sudo lshw -C network; rfkill list; sudo iwlist scan | egrep -i 'chan|ssid'; cat /etc/network/interfaces; cat /etc/lsb-release; lspci -nn; lsusb; sudo lshw -short; uname -a; dmesg | egrep '02:00|80211|acx|at76|ath|b43|bcm|brcm|CX|eth|ipw|ireless|irmware|isl|lbtf|orinoco|ndiswrapper|NPE|ound|p54|prism|rror|rtl|rt2|rt3|rt5|rt6|rt7|usb|witch|wl';sudo dmidecode|egrep 'anufact|roduct|erial|elease'; iwconfig; cat /etc/modprobe.d/* | egrep '80211|acx|at76|ath|b43|bcm|brcm|CX|eth|ipw|irmware|isl|lbtf|orinoco|ndiswrapper|NPE|p54|prism|rtl|rt2|rt3|rt6|rt7|wmi|witch|wl'; cat /var/lib/NetworkManager/NetworkManager.state; sudo hwinfo --netcard ; ps -aux|egrep 'wpa|icd|etwork'; netstat -rn ; cat /etc/resolv.conf; sudo lsmod

Step 3: Please post results (copy/paste terminal output) on this thread. The troubleshooters here need to see the full Terminal output from running the above command.

Regards,

Mark Rijckenberg

Revision history for this message
Simon Schneiter (simoneugenschneiter) said :
#4

Thanks for your guidance and tips. Below the output of the command:

Err http://at.archive.ubuntu.com quantal InRelease

Err http://at.archive.ubuntu.com quantal-updates InRelease

Err http://at.archive.ubuntu.com quantal-backports InRelease

Err http://security.ubuntu.com quantal-security InRelease

Err http://extras.ubuntu.com quantal InRelease

Err http://at.archive.ubuntu.com quantal Release.gpg
  Could not resolve 'at.archive.ubuntu.com'
Err http://security.ubuntu.com quantal-security Release.gpg
  Could not resolve 'security.ubuntu.com'
Err http://extras.ubuntu.com quantal Release.gpg
  Could not resolve 'extras.ubuntu.com'
Err http://at.archive.ubuntu.com quantal-updates Release.gpg
  Could not resolve 'at.archive.ubuntu.com'
Err http://at.archive.ubuntu.com quantal-backports Release.gpg
  Could not resolve 'at.archive.ubuntu.com'
Reading package lists... Done
W: Failed to fetch http://at.archive.ubuntu.com/ubuntu/dists/quantal/InRelease

W: Failed to fetch http://at.archive.ubuntu.com/ubuntu/dists/quantal-updates/InRelease

W: Failed to fetch http://at.archive.ubuntu.com/ubuntu/dists/quantal-backports/InRelease

W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/quantal-security/InRelease

W: Failed to fetch http://extras.ubuntu.com/ubuntu/dists/quantal/InRelease

W: Failed to fetch http://at.archive.ubuntu.com/ubuntu/dists/quantal/Release.gpg Could not resolve 'at.archive.ubuntu.com'

W: Failed to fetch http://at.archive.ubuntu.com/ubuntu/dists/quantal-updates/Release.gpg Could not resolve 'at.archive.ubuntu.com'

W: Failed to fetch http://at.archive.ubuntu.com/ubuntu/dists/quantal-backports/Release.gpg Could not resolve 'at.archive.ubuntu.com'

W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/quantal-security/Release.gpg Could not resolve 'security.ubuntu.com'

W: Failed to fetch http://extras.ubuntu.com/ubuntu/dists/quantal/Release.gpg Could not resolve 'extras.ubuntu.com'

W: Some index files failed to download. They have been ignored, or old ones used instead.
Reading package lists... Done
Building dependency tree
Reading state information... Done
grep is already the newest version.
rfkill is already the newest version.
The following packages were automatically installed and are no longer required:
  calligra-l10n-engb cdparanoia k3b k3b-data k3b-i18n kde-l10n-engb
  kde-l10n-zhcn kdevelop-l10n kdevelop-php-docs-l10n kdevelop-php-l10n
  language-pack-kde-en libflac++6 libk3b6 libkcddb4 linux-headers-3.5.0-17
Use 'apt-get autoremove' to remove them.
The following NEW packages will be installed:
  hwinfo libhal1 libhd16
0 upgraded, 3 newly installed, 0 to remove and 0 not upgraded.
Need to get 769 kB of archives.
After this operation, 2,251 kB of additional disk space will be used.
Err http://at.archive.ubuntu.com/ubuntu/ quantal/universe libhal1 amd64 0.5.14-8
  Could not resolve 'at.archive.ubuntu.com'
Err http://at.archive.ubuntu.com/ubuntu/ quantal/universe libhd16 amd64 16.0-2.2
  Could not resolve 'at.archive.ubuntu.com'
Err http://at.archive.ubuntu.com/ubuntu/ quantal/universe hwinfo amd64 16.0-2.2
  Could not resolve 'at.archive.ubuntu.com'
Failed to fetch http://at.archive.ubuntu.com/ubuntu/pool/universe/h/hal/libhal1_0.5.14-8_amd64.deb Could not resolve 'at.archive.ubuntu.com'
Failed to fetch http://at.archive.ubuntu.com/ubuntu/pool/universe/h/hwinfo/libhd16_16.0-2.2_amd64.deb Could not resolve 'at.archive.ubuntu.com'
Failed to fetch http://at.archive.ubuntu.com/ubuntu/pool/universe/h/hwinfo/hwinfo_16.0-2.2_amd64.deb Could not resolve 'at.archive.ubuntu.com'
E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?
  *-network UNCLAIMED
       description: Network controller
       product: BCM43142 802.11b/g/n
       vendor: Broadcom Corporation
       physical id: 0
       bus info: pci@0000:01:00.0
       version: 01
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress bus_master cap_list
       configuration: latency=0
       resources: memory:d0500000-d0507fff
  *-network
       description: Ethernet interface
       product: AR8161 Gigabit Ethernet
       vendor: Atheros Communications Inc.
       physical id: 0
       bus info: pci@0000:02:00.0
       logical name: eth0
       version: 10
       serial: 5c:f9:dd:58:0f:81
       capacity: 1Gbit/s
       width: 64 bits
       clock: 33MHz
       capabilities: pm pciexpress msi msix bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
       configuration: autonegotiation=on broadcast=yes driver=alx driverversion=1.2.2 firmware=N/A latency=0 link=no multicast=yes port=twisted pair
       resources: irq:16 memory:d0400000-d043ffff ioport:2000(size=128)
0: hci0: Bluetooth
 Soft blocked: no
 Hard blocked: no
eth0 Interface doesn't support scanning.

lo Interface doesn't support scanning.

# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=12.10
DISTRIB_CODENAME=quantal
DISTRIB_DESCRIPTION="Ubuntu 12.10"
01:00.0 Network controller [0280]: Broadcom Corporation BCM43142 802.11b/g/n [14e4:4365] (rev 01)
 Subsystem: Dell Wireless 1704 802.11n + BT 4.0 [1028:0016]
02:00.0 Ethernet controller [0200]: Atheros Communications Inc. AR8161 Gigabit Ethernet [1969:1091] (rev 10)
 Subsystem: Dell Device [1028:0562]
 Kernel driver in use: alx
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 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 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 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 001 Device 003: ID 138a:0011 Validity Sensors, Inc. VFS5011 Fingerprint Reader
Bus 001 Device 004: ID 0bda:0129 Realtek Semiconductor Corp.
Bus 001 Device 005: ID 0c45:644f Microdia
Bus 002 Device 003: ID 0a5c:21d7 Broadcom Corp.
RUNNING STATE WIFI-HARDWARE WIFI WWAN-HARDWARE WWAN
running disconnected enabled enabled enabled disabled
H/W path Device Class Description
======================================================
                            system Vostro 3460 (System SKUNumber)
/0 bus 0J1V31
/0/4 processor Intel(R) Core(TM) i5-3210M CPU @ 2.50
/0/4/6 memory 32KiB L1 cache
/0/4/7 memory 256KiB L2 cache
/0/4/8 memory 3MiB L3 cache
/0/5 memory 32KiB L1 cache
/0/0 memory 128KiB BIOS
/0/35 memory 6GiB System Memory
/0/35/0 memory 4GiB SODIMM DDR3 Synchronous 1600 MHz
/0/35/1 memory 2GiB SODIMM DDR3 Synchronous 1600 MHz
/0/100 bridge 3rd Gen Core processor DRAM Controlle
/0/100/2 display 3rd Gen Core processor Graphics Contr
/0/100/14 bus 7 Series/C210 Series Chipset Family U
/0/100/16 communication 7 Series/C210 Series Chipset Family M
/0/100/1a bus 7 Series/C210 Series Chipset Family U
/0/100/1b multimedia 7 Series/C210 Series Chipset Family H
/0/100/1c bridge 7 Series/C210 Series Chipset Family P
/0/100/1c/0 network BCM43142 802.11b/g/n
/0/100/1c.4 bridge 7 Series/C210 Series Chipset Family P
/0/100/1c.4/0 eth0 network AR8161 Gigabit Ethernet
/0/100/1d bus 7 Series/C210 Series Chipset Family U
/0/100/1f bridge HM77 Express Chipset LPC Controller
/0/100/1f.2 storage 7 Series Chipset Family 6-port SATA C
/0/100/1f.3 bus 7 Series/C210 Series Chipset Family S
/0/1 scsi0 storage
/0/1/0.0.0 /dev/sda disk 500GB WDC WD5000BPKT-7
/0/1/0.0.0/1 /dev/sda1 volume 459GiB EXT4 volume
/0/1/0.0.0/2 /dev/sda2 volume 5998MiB Extended partition
/0/1/0.0.0/2/5 /dev/sda5 volume 5998MiB Linux swap / Solaris partitio
/0/2 scsi3 storage
/0/2/0.0.0 /dev/cdrom disk DVD+-RW SN-208BB
/0/2/0.0.0/0 /dev/cdrom disk
/0/3 scsi6 storage
/0/3/0.0.0 /dev/sdb disk xD/SD/M.S.
/0/3/0.0.0/0 /dev/sdb disk
/1 power DELL
Linux Laptop 3.5.0-25-generic #38-Ubuntu SMP Mon Feb 18 23:27:42 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux
[ 0.000000] BIOS-e820: [mem 0x0000000040005000-0x00000000a7b43fff] usable
[ 0.000000] No AGP bridge found
[ 0.000000] found SMP MP-table at [mem 0x000f0100-0x000f010f] mapped at [ffff8800000f0100]
[ 0.000000] No NUMA configuration found
[ 0.000000] node 0: [mem 0x40005000-0xa7b43fff]
[ 0.000000] No AGP bridge found
[ 0.268075] [Firmware Bug]: ACPI: BIOS _OSI(Linux) query ignored
[ 0.357301] ACPI: No dock devices found.
[ 0.365752] pci 0000:02:00.0: [1969:1091] type 00 class 0x020000
[ 0.365781] pci 0000:02:00.0: reg 10: [mem 0xd0400000-0xd043ffff 64bit]
[ 0.365796] pci 0000:02:00.0: reg 18: [io 0x2000-0x207f]
[ 0.365928] pci 0000:02:00.0: PME# supported from D0 D1 D2 D3hot D3cold
[ 0.376404] ACPI: bus type usb registered
[ 0.376418] usbcore: registered new interface driver usbfs
[ 0.376424] usbcore: registered new interface driver hub
[ 0.376444] usbcore: registered new device driver usb
[ 0.380338] Switching to clocksource hpet
[ 0.385901] pnp: PnP ACPI: found 11 devices
[ 0.616205] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0D:00/input/input2
[ 0.616508] ACPI: Lid Switch [LID0]
[ 0.664035] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
[ 0.664036] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 0.664038] usb usb1: Product: EHCI Host Controller
[ 0.664040] usb usb1: Manufacturer: Linux 3.5.0-25-generic ehci_hcd
[ 0.664041] usb usb1: SerialNumber: 0000:00:1a.0
[ 0.664117] hub 1-0:1.0: USB hub found
[ 0.680008] usb usb2: New USB device found, idVendor=1d6b, idProduct=0002
[ 0.680010] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 0.680011] usb usb2: Product: EHCI Host Controller
[ 0.680013] usb usb2: Manufacturer: Linux 3.5.0-25-generic ehci_hcd
[ 0.680014] usb usb2: SerialNumber: 0000:00:1d.0
[ 0.680087] hub 2-0:1.0: USB hub found
[ 0.680358] usb usb3: New USB device found, idVendor=1d6b, idProduct=0002
[ 0.680360] usb usb3: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 0.680361] usb usb3: Product: xHCI Host Controller
[ 0.680363] usb usb3: Manufacturer: Linux 3.5.0-25-generic xhci_hcd
[ 0.680364] usb usb3: SerialNumber: 0000:00:14.0
[ 0.680433] hub 3-0:1.0: USB hub found
[ 0.680499] usb usb4: New USB device found, idVendor=1d6b, idProduct=0003
[ 0.680500] usb usb4: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 0.680501] usb usb4: Product: xHCI Host Controller
[ 0.680503] usb usb4: Manufacturer: Linux 3.5.0-25-generic xhci_hcd
[ 0.680504] usb usb4: SerialNumber: 0000:00:14.0
[ 0.680564] hub 4-0:1.0: USB hub found
[ 0.680659] usbcore: registered new interface driver libusual
[ 0.691129] BIOS EDD facility v0.16 2004-Jun-25, 0 devices found
[ 0.975611] usb 1-1: new high-speed USB device number 2 using ehci_hcd
[ 1.107846] usb 1-1: New USB device found, idVendor=8087, idProduct=0024
[ 1.107853] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 1.108269] hub 1-1:1.0: USB hub found
[ 1.219301] usb 2-1: new high-speed USB device number 2 using ehci_hcd
[ 1.351509] usb 2-1: New USB device found, idVendor=8087, idProduct=0024
[ 1.351516] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 1.351919] hub 2-1:1.0: USB hub found
[ 1.391063] Switching to clocksource tsc
[ 1.423190] usb 1-1.1: new full-speed USB device number 3 using ehci_hcd
[ 1.518274] usb 1-1.1: New USB device found, idVendor=138a, idProduct=0011
[ 1.518278] usb 1-1.1: New USB device strings: Mfr=0, Product=0, SerialNumber=1
[ 1.518281] usb 1-1.1: SerialNumber: 433cb1d0281b
[ 1.590977] usb 1-1.3: new high-speed USB device number 4 using ehci_hcd
[ 1.683578] usb 1-1.3: New USB device found, idVendor=0bda, idProduct=0129
[ 1.683585] usb 1-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 1.683588] usb 1-1.3: Product: USB2.0-CRW
[ 1.683591] usb 1-1.3: Manufacturer: Generic
[ 1.683594] usb 1-1.3: SerialNumber: 20100201396000000
[ 1.754765] usb 1-1.5: new high-speed USB device number 5 using ehci_hcd
[ 1.922032] usb 1-1.5: New USB device found, idVendor=0c45, idProduct=644f
[ 1.922039] usb 1-1.5: New USB device strings: Mfr=2, Product=1, SerialNumber=0
[ 1.922043] usb 1-1.5: Product: Laptop_Integrated_Webcam_HD
[ 1.922046] usb 1-1.5: Manufacturer: CN0Y4TWT724872AV2CHHA02
[ 1.998425] usb 2-1.5: new full-speed USB device number 3 using ehci_hcd
[ 2.093171] usb 2-1.5: New USB device found, idVendor=0a5c, idProduct=21d7
[ 2.093177] usb 2-1.5: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 2.093181] usb 2-1.5: Product: BCM43142A0
[ 2.093184] usb 2-1.5: Manufacturer: Broadcom Corp
[ 2.093187] usb 2-1.5: SerialNumber: E006E6D78E58
[ 9.340601] lp: driver loaded but no devices found
[ 9.537861] alx 0000:02:00.0: alx(5c:f9:dd:58:0f:81): Qualcomm Atheros Ethernet Network Connection
[ 9.542869] lpc_ich: Resource conflict(s) found affecting iTCO_wdt
[ 9.542884] lpc_ich: Resource conflict(s) found affecting gpio_ich
[ 9.552838] uvcvideo: Found UVC 1.00 device Laptop_Integrated_Webcam_HD (0c45:644f)
[ 9.569294] usbcore: registered new interface driver btusb
[ 9.585179] usbcore: registered new interface driver rts5139
[ 9.596499] input: Laptop_Integrated_Webcam_HD as /devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.5/1-1.5:1.0/input/input5
[ 9.596584] usbcore: registered new interface driver uvcvideo
[ 9.712703] Bluetooth: can't load firmware, may not work correctly
[ 9.772659] EXT4-fs (sda1): re-mounted. Opts: errors=remount-ro
[ 10.326631] Console: switching to colour frame buffer device 170x48
[ 10.729493] alx 0000:02:00.0: irq 45 for MSI/MSI-X
[ 10.729499] alx 0000:02:00.0: irq 46 for MSI/MSI-X
[ 10.729503] alx 0000:02:00.0: irq 47 for MSI/MSI-X
[ 10.729507] alx 0000:02:00.0: irq 48 for MSI/MSI-X
[ 10.729511] alx 0000:02:00.0: irq 49 for MSI/MSI-X
[ 10.731129] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[ 10.732081] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[ 10.864338] hda_codec: CX20590: BIOS auto-probing.
[ 10.869305] input: HDA Intel PCH HDMI/DP,pcm=3 as /devices/pci0000:00/0000:00:1b.0/sound/card0/input9
[ 10.869364] input: HDA Intel PCH Mic as /devices/pci0000:00/0000:00:1b.0/sound/card0/input10
[ 10.869403] input: HDA Intel PCH Headphone as /devices/pci0000:00/0000:00:1b.0/sound/card0/input11
[ 217.028423] usb 3-4: new high-speed USB device number 2 using xhci_hcd
[ 217.047232] usb 3-4: New USB device found, idVendor=0bda, idProduct=8172
[ 217.047239] usb 3-4: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 217.047243] usb 3-4: Product: RTL8191S WLAN Adapter
[ 217.047246] usb 3-4: Manufacturer: Manufacturer Realtek
[ 217.047249] usb 3-4: SerialNumber: 00e04c000001
[ 217.063840] r8712u: register rtl8712_netdev_ops to netdev_ops
[ 217.432720] r8712u: Loading firmware from "rtlwifi/rtl8712u.bin"
[ 217.432822] usbcore: registered new interface driver r8712u
[ 218.260090] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
[ 218.264473] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
[ 242.254992] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 836.227018] usb 3-4: USB disconnect, device number 2
 Manufacturer: Intel(R) Corporation
 Serial Number: To Be Filled By O.E.M.
 Release Date: 12/18/2012
  Serial services are supported (int 14h)
 Manufacturer: Dell Inc.
 Product Name: Vostro 3460
 Serial Number: 1K71VW1
 Manufacturer: Dell Inc.
 Product Name: 0J1V31
 Serial Number: .1K71VW1.CN4864331L0262.
 Manufacturer: Dell Inc.
 Serial Number: 1K71VW1
 Port Type: Serial Port 16550A Compatible
 Manufacturer: Dynapack
 Manufacture Date: 2008
 Serial Number: 1.0
 Manufacturer: Samsung
 Serial Number: 87D76C20
 Manufacturer: Hynix/Hyundai
 Serial Number: 49A9B47A
eth0 no wireless extensions.

lo no wireless extensions.

install snd-rawmidi /sbin/modprobe --ignore-install snd-rawmidi $CMDLINE_OPTS && { /sbin/modprobe --quiet --use-blacklist snd-seq-midi ; : ; }
# which ath5k cannot recover. To prevent this condition, stop
blacklist ath_pci
blacklist eth1394
# replaced by p54pci
blacklist prism54
# replaced by b43 and ssb.
blacklist bcm43xx
blacklist uart6850
blacklist twl4030_wdt
# /etc/modprobe.d/iwlwifi.conf
# iwlwifi will dyamically load either iwldvm or iwlmvm depending on the
# microcode file installed on the system. When removing iwlwifi, first
# remove the iwl?vm module and then iwlwifi.
remove iwlwifi \
(/sbin/lsmod | grep -o -e ^iwlmvm -e ^iwldvm -e ^iwlwifi | xargs /sbin/rmmod) \
&& /sbin/modprobe -r mac80211
[main]
NetworkingEnabled=true
WirelessEnabled=true
WWANEnabled=true
WimaxEnabled=true
sudo: hwinfo: command not found
warning: bad ps syntax, perhaps a bogus '-'?
See http://gitorious.org/procps/procps/blobs/master/Documentation/FAQ
root 930 0.0 0.0 246192 5956 ? Ssl 13:11 0:00 NetworkManager
root 2414 0.0 0.0 31868 2472 ? Ss 13:14 0:00 /sbin/wpa_supplicant -B -P /run/sendsigs.omit.d/wpasupplicant.pid -u -s -O /var/run/wpa_supplicant
nobody 2426 0.0 0.0 33072 1552 ? S 13:15 0:00 /usr/sbin/dnsmasq --no-resolv --keep-in-foreground --no-hosts --bind-interfaces --pid-file=/var/run/sendsigs.omit.d/network-manager.dnsmasq.pid --listen-address=127.0.1.1 --conf-file=/var/run/nm-dns-dnsmasq.conf --cache-size=0 --proxy-dnssec --enable-dbus=org.freedesktop.NetworkManager.dnsmasq --conf-dir=/etc/NetworkManager/dnsmasq.d
rinchen 3106 0.0 0.0 13584 916 pts/0 S+ 13:25 0:00 egrep --color=auto wpa|icd|etwork
Kernel IP routing table
Destination Gateway Genmask Flags MSS Window irtt Iface
# Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8)
# DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN
Module Size Used by
r8712u 187939 0
nls_utf8 12558 1
udf 89521 1
crc_itu_t 12708 1 udf
snd_hda_codec_hdmi 32049 1
snd_hda_codec_conexant 57802 1
rfcomm 46620 12
bnep 18141 2
parport_pc 32689 0
ppdev 17074 0
coretemp 13401 0
kvm_intel 132760 0
kvm 414071 1 kvm_intel
ghash_clmulni_intel 13221 0
cryptd 20404 1 ghash_clmulni_intel
dell_wmi 12682 0
sparse_keymap 13891 1 dell_wmi
dell_laptop 17370 0
dcdbas 14439 1 dell_laptop
snd_hda_intel 33492 3
snd_hda_codec 134213 3 snd_hda_codec_hdmi,snd_hda_codec_conexant,snd_hda_intel
snd_hwdep 17699 1 snd_hda_codec
rts5139 356200 0
snd_pcm 96668 3 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec
snd_seq_midi 13325 0
snd_rawmidi 30513 1 snd_seq_midi
snd_seq_midi_event 14900 1 snd_seq_midi
snd_seq 61555 2 snd_seq_midi,snd_seq_midi_event
btusb 22475 0
snd_timer 29426 2 snd_pcm,snd_seq
bluetooth 209249 22 rfcomm,bnep,btusb
snd_seq_device 14498 3 snd_seq_midi,snd_rawmidi,snd_seq
snd 78921 16 snd_hda_codec_hdmi,snd_hda_codec_conexant,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm,snd_rawmidi,snd_seq,snd_timer,snd_seq_device
i915 520615 3
drm_kms_helper 49113 1 i915
microcode 22804 0
drm 288721 4 i915,drm_kms_helper
uvcvideo 76750 0
videobuf2_core 32852 1 uvcvideo
videodev 120310 2 uvcvideo,videobuf2_core
videobuf2_vmalloc 12861 1 uvcvideo
videobuf2_memops 13405 1 videobuf2_vmalloc
i2c_algo_bit 13414 1 i915
soundcore 15048 1 snd
lpc_ich 17062 0
psmouse 95595 0
serio_raw 13216 0
alx 68240 0
mei 40691 0
mdio 13808 1 alx
snd_page_alloc 18485 2 snd_hda_intel,snd_pcm
video 19391 1 i915
wmi 19071 1 dell_wmi
mac_hid 13206 0
lp 17760 0
parport 46346 3 parport_pc,ppdev,lp

Revision history for this message
Mark Rijckenberg (markrijckenberg) said :
#5

I believe your wireless chipset is experiencing this bug:

https://bugs.launchpad.net/ubuntu/+source/bcmwl/+bug/923809

I believe you need to install Ubuntu 12.04 (precise) and then follow the instructions in that bugreport....

I do not think that Ubuntu 12.10 has the drivers yet for your wireless chipset.

Revision history for this message
Simon Schneiter (simoneugenschneiter) said :
#6

do you think I should wait for Ubuntu 13.04 - will that save my problem, because I do not want to revert to an older version of Ubuntu.

Revision history for this message
actionparsnip (andrew-woodhead666) said :
#7

You can use your install media to install the driver offline too
https://help.ubuntu.com/community/WifiDocs/Driver/bcm43xx

Revision history for this message
Simon Schneiter (simoneugenschneiter) said :
#8

Found a solution:

First install the prerequisites:

    sudo apt-get install linux-headers-generic build-essential dkms

install the package:

http://jas.gemnetworks.com/debian/pool/main/w/wireless-bcm43142/wireless-bcm43142-dkms_6.20.55.19-1_amd64.deb

anwser found in:

http://askubuntu.com/questions/175104/how-do-i-install-bcm43142-wireless-drivers-for-dell-vostro-3460-3560/215923#215923