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Thread: cannot connect to internet: network UNCLAIMED

  1. #1
    Join Date
    Oct 2013
    Beans
    6

    Question cannot connect to internet: network UNCLAIMED

    Hello, new linux user here. I am trying to set up a new laptop to dual boot Windows 8 and Ubuntu 13.04. I partitioned the hard drive and installed Ubuntu. I currently can't access the internet from Ubuntu wirelessly or from an ethernet cable. I would like to get the internet working in Ubuntu before I attempt to install Windows 8.

    I believe my problem is similar to the one discussed in these threads, but I think my hardware is different so I'm not sure how to proceed:
    http://ubuntuforums.org/showthread.php?t=2180230
    http://ubuntuforums.org/showthread.php?t=2143039

    I think the problem is in recognizing the wireless card, but I don't understand why that would affect the ethernet connection:
    Intel Dual Band AC 7260

    Some other specs which might be relevant:
    Sager NP2740
    i7-4750HQ
    16 GB RAM


    Some output from commands that I see are requested in related threads:

    ==================================================


    sudo lshw -C network
    *-network
    description: Ethernet interface
    product: Ethernet ConnectionI217-V
    vendor: Intel Corporation
    physical id: 19
    bus info: pci@0000:00:19.0
    logical name: eth0
    version: 05
    serial: 00:90:f5:ed:13:35
    width: 32 bits
    clock: 33MHz
    capabilities: pm msi cap_listethernet physical
    configuration: broadcast=yesdriver=e1000e latency=0 multicast=yes
    resources: irq:20memory:f7e00000-f7e1ffff memory:f7e3d000-f7e3dfffioport:f080(size=32)
    *-network UNCLAIMED
    description: Network controller
    product: Intel Corporation
    vendor: Intel Corporation
    physical id: 0
    bus info: pci@0000:03:00.0
    version: 73
    width: 64 bits
    clock: 33MHz
    capabilities: pm msi pciexpresscap_list
    configuration: latency=0
    resources:memory:f7c00000-f7c01fff


    ==================================================


    lsmod | grep -i e100
    e1000e 198787 0


    ==================================================


    apt-cache policy network-manager
    network-manager:
    Installed: 0.9.8.0-0ubuntu6
    Candidate: 0.9.8.0-0ubuntu6
    Version table:
    *** 0.9.8.0-0ubuntu6 0
    100 /var/lib/dpkg/status


    ==================================================


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


    ==================================================


    dmesg | grep e100
    [ 1.631933] e1000e: Intel(R)PRO/1000 Network Driver - 2.1.4-k
    [ 1.631938] e1000e: Copyright(c)1999 - 2012 Intel Corporation.
    [ 1.631987] e1000e 0000:00:19.0:setting latency timer to 64
    [ 1.632062] e1000e 0000:00:19.0:Interrupt Throttling Rate (ints/sec) set to dynamic conservative mode
    [ 1.632096] e1000e 0000:00:19.0: irq43 for MSI/MSI-X
    [ 1.796549] e1000e 0000:00:19.0eth0: (PCI Express:2.5GT/s:Width x1) 00:90:f5:ed:13:35
    [ 1.796553] e1000e 0000:00:19.0eth0: Intel(R) PRO/1000 Network Connection
    [ 1.796608] e1000e 0000:00:19.0eth0: MAC: 11, PHY: 12, PBA No: FFFFFF-0FF
    [ 4.965169] e1000e 0000:00:19.0: irq43 for MSI/MSI-X
    [ 5.066204] e1000e 0000:00:19.0: irq43 for MSI/MSI-X
    [ 312.006808] e1000e 0000:00:19.0: irq43 for MSI/MSI-X
    [ 607.360374] e1000e 0000:00:19.0: irq43 for MSI/MSI-X
    [ 2168.703068] e1000e 0000:00:19.0:System wakeup enabled by ACPI
    [ 2170.756044] e1000e 0000:00:19.0:System wakeup disabled by ACPI
    [ 2170.756287] e1000e 0000:00:19.0: irq49 for MSI/MSI-X
    [ 2173.541261] e1000e 0000:00:19.0: irq49 for MSI/MSI-X
    [ 2173.642717] e1000e 0000:00:19.0: irq49 for MSI/MSI-X

    ==================================================


    ifconfig -a
    eth0 Link encap:Ethernet HWaddr00:90:f5:ed:13:35
    UP BROADCAST MULTICAST MTU:1500 Metric:1
    RX packets:0 errors:0dropped:0 overruns:0 frame:0
    TX packets:0 errors:0dropped:0 overruns:0 carrier:0
    collisions:0 txqueuelen:1000
    RX bytes:0 (0.0 B) TXbytes:0 (0.0 B)
    Interrupt:20Memory:f7e00000-f7e20000


    lo Link encap:Local Loopback
    inet addr:127.0.0.1 Mask:255.0.0.0
    inet6 addr: ::1/128Scope:Host
    UP LOOPBACK RUNNING MTU:65536 Metric:1
    RX packets:9472 errors:0dropped:0 overruns:0 frame:0
    TX packets:9472 errors:0dropped:0 overruns:0 carrier:0
    collisions:0 txqueuelen:0
    RX bytes:764272 (764.2 KB) TX bytes:764272 (764.2 KB)


    ==================================================


    lspci
    00:00.0 Host bridge: Intel CorporationCrystal Well DRAM Controller (rev 08)
    00:02.0 VGA compatible controller:Intel Corporation Crystal Well Integrated Graphics Controller (rev08)
    00:03.0 Audio device: Intel CorporationCrystal Well HD Audio Controller (rev 08)
    00:14.0 USB controller: IntelCorporation Lynx Point USB xHCI Host Controller (rev 05)
    00:16.0 Communication controller: IntelCorporation Lynx Point MEI Controller #1 (rev 04)
    00:19.0 Ethernet controller: IntelCorporation Ethernet Connection I217-V (rev 05)
    00:1a.0 USB controller: IntelCorporation Lynx Point USB Enhanced Host Controller #2 (rev 05)
    00:1b.0 Audio device: Intel CorporationLynx Point High Definition Audio Controller (rev 05)
    00:1c.0 PCI bridge: Intel CorporationLynx Point PCI Express Root Port #1 (rev d5)
    00:1c.1 PCI bridge: Intel CorporationLynx Point PCI Express Root Port #2 (rev d5)
    00:1c.3 PCI bridge: Intel CorporationLynx Point PCI Express Root Port #4 (rev d5)
    00:1d.0 USB controller: IntelCorporation Lynx Point USB Enhanced Host Controller #1 (rev 05)
    00:1f.0 ISA bridge: Intel CorporationLynx Point LPC Controller (rev 05)
    00:1f.2 SATA controller: IntelCorporation Lynx Point 6-port SATA Controller 1 [AHCI mode] (rev 05)
    00:1f.3 SMBus: Intel Corporation LynxPoint SMBus Controller (rev 05)
    02:00.0 Unassigned class [ff00]:Realtek Semiconductor Co., Ltd. RTS5229 PCI Express Card Reader (rev01)
    03:00.0 Network controller: IntelCorporation Device 08b1 (rev 73)


    ==================================================


    ifup eth0
    Ignoring unknown interface eth0=eth0.


    ==================================================


    cat/etc/NetworkManager/NetworkManager.conf
    [main]
    plugins=ifupdown,keyfile
    dns=dnsmasq


    [ifupdown]
    managed=false

    ==================================================


    dmesg | grep -e eth0 -e bcm
    [ 1.796549] e1000e 0000:00:19.0eth0: (PCI Express:2.5GT/s:Width x1) 00:90:f5:ed:13:35
    [ 1.796553] e1000e 0000:00:19.0eth0: Intel(R) PRO/1000 Network Connection
    [ 1.796608] e1000e 0000:00:19.0eth0: MAC: 11, PHY: 12, PBA No: FFFFFF-0FF
    [ 2.966254] IPv6:ADDRCONF(NETDEV_UP): eth0: link is not ready
    [ 5.066322] IPv6:ADDRCONF(NETDEV_UP): eth0: link is not ready
    [ 5.066753] IPv6:ADDRCONF(NETDEV_UP): eth0: link is not ready
    [ 2173.642829] IPv6:ADDRCONF(NETDEV_UP): eth0: link is not ready

    ==================================================

    Please advise.
    Last edited by solow3752; October 12th, 2013 at 05:40 PM.

  2. #2
    Join Date
    Jun 2010
    Location
    London, England
    Beans
    5,965
    Distro
    Ubuntu Development Release

    Re: cannot connect to internet: network UNCLAIMED

    When we install Ubuntu we are asked to tick if the machine is connected to the Internet (preferably by ethernet). Did you install with an Internet connection? Try clicking the Network Manager icon and making sure the Network is enabled and also if Wi-Fi is enabled. Does this laptop require you to use a keyboard combination to switch on the wireless adapter and the ethernet adapter?

    This says that there is a driver for ethernet

    configuration: broadcast=yesdriver=e1000e latency=0 multicast=yes
    This says that the ethernet adapter is not connected to a router. It should also say RUNNING in between BROADCAST and MULTICAST

    eth0 Link encap:Ethernet HWaddr00:90:f5:ed:13:35
    UP BROADCAST MULTICAST MTU:1500 Metric:1
    Also ifconfig -a should show something for wlan0. This is what I get

    wlan0 Link encap:Ethernet HWaddr 00:15:af:0e:9b:e0
    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)
    But that is because I have not set up a wireless connection with the router on this install of Ubuntu. I am using ethernet only. This is what I see when I authentic a connection to my router by wireless

    wlan0 Link encap:Ethernet HWaddr 00:15:af:0e:9b:e0
    inet addr:192.168.1.65 Bcast:192.168.1.255 Mask:255.255.255.0
    inet6 addr: fe80::215:afff:fe0e:9be0/64 Scope:Link
    UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
    RX packets:31 errors:0 dropped:0 overruns:0 frame:0
    TX packets:57 errors:0 dropped:0 overruns:0 carrier:0
    collisions:0 txqueuelen:1000
    RX bytes:3256 (3.2 KB) TX bytes:11423 (11.4 KB)
    Run this command
    Code:
    rfkill list
    Do you see this?

    : phy0: Wireless LAN
    Soft blocked: no
    Hard blocked: no
    hard blocked: yes means that the wireless adapter is switched off in hardware, possibly at the keyboard.
    soft blocked: yes means that the wireless adapter is switched off by software. Networking and/or wireless networking are not enabled.

    Regards.
    It is a machine. It is more stupid than we are. It will not stop us from doing stupid things.
    Ubuntu user #33,200. Linux user #530,530


  3. #3
    Join Date
    Oct 2013
    Beans
    6

    Re: cannot connect to internet: network UNCLAIMED

    I can connect via ethernet now but i still can't connect wirelessly

    Did you install with an Internet connection?


    No. I just rebooted to the USB to test whether that would have been possible, and it recognized the ethernet connection. Then I rebooted to the installed version of Ubuntu and it also recognized the ethernet connection.

    I hadn't restarted with the ethernet cable already plugged in. So thanks for your help, and I'm sorry I didn't do my due diligence before.

    tl;dr connecting via ethernet is solved by a reboot

    HOWEVER, I still haven't connected wirelessly.

    Does this laptop require you to use a keyboard combination to switch on the wireless adapter and the ethernet adapter?
    I'm not sure I know what you mean by keyboard combination. There are no physical switches on the machine for turning wireless on and off.

    ifconfig -a should show something for wlan0
    It doesn't, here is the output:
    eth0 Link encap:Ethernet HWaddr 00:90:f5:ed:13:35
    inet addr:192.168.1.89 Bcast:192.168.1.255 Mask:255.255.255.0
    inet6 addr: fdb8:dac8:3f80:0:290:f5ff:feed:1335/64 Scope:Global
    inet6 addr: 2601:4:2080:263:290:f5ff:feed:1335/64 Scope:Global
    inet6 addr: fe80::290:f5ff:feed:1335/64 Scope:Link
    UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
    RX packets:4817 errors:0 dropped:0 overruns:0 frame:0
    TX packets:3044 errors:0 dropped:0 overruns:0 carrier:0
    collisions:0 txqueuelen:1000
    RX bytes:4540623 (4.5 MB) TX bytes:353106 (353.1 KB)
    Interrupt:20 Memory:f7e00000-f7e20000

    lo Link encap:Local Loopback
    inet addr:127.0.0.1 Mask:255.0.0.0
    inet6 addr: ::1/128 Scope:Host
    UP LOOPBACK RUNNING MTU:65536 Metric:1
    RX packets:786 errors:0 dropped:0 overruns:0 frame:0
    TX packets:786 errors:0 dropped:0 overruns:0 carrier:0
    collisions:0 txqueuelen:0
    RX bytes:70446 (70.4 KB) TX bytes:70446 (70.4 KB)
    This is the output in response to rfkill list:
    0: hci0: Bluetooth
    Soft blocked: no
    Hard blocked: no


    And in response to sudo iwlist eth0 scan I get:
    eth0 Interface doesn't support scanning.
    Last edited by solow3752; October 12th, 2013 at 07:03 PM.

  4. #4
    Join Date
    Oct 2013
    Beans
    6

    Re: cannot connect to internet: network UNCLAIMED

    In case it wasn't clear, I'm still struggling here trying to get Ubuntu to connect to a wireless network using the AC7260 wireless card.

  5. #5
    Join Date
    Oct 2013
    Beans
    6

    Re: cannot connect to internet: network UNCLAIMED

    The advice on this thread worked: http://askubuntu.com/questions/32251...dvanced-n-7260

    I suggest you download this to your desktop:http://www.kernel.org/pub/linux/kern...-rc3-1.tar.bz2 Right-click it and select 'Extract Here.' Now open a terminal and do:
    cd Desktop/backports-3.11-rc3-1/
    make defconfig-iwlwifi
    make
    sudo make install

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