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Thread: Ethernet port not registering

  1. #1
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    Ethernet port not registering

    I just got a new laptop. The ethernet port worked in Windows before I installed Ubuntu (no longer have Windows installed) but it's not working in Ubuntu. ifconfig returns nothing for ethernet, only lo and usb0 (I'm connected to Internet via USB tether to my phone). lspci -v returns the following:

    03:00.0 Ethernet controller: Atheros Communications Inc. AR8161 Gigabit Ethernet (rev 10)
    Subsystem: ASUSTeK Computer Inc. Device 14c7
    Flags: bus master, fast devsel, latency 0, IRQ 10
    Memory at f7c00000 (64-bit, non-prefetchable) [size=256K]
    I/O ports at e000 [size=128]
    Capabilities: [40] Power Management version 3
    Capabilities: [58] Express Endpoint, MSI 00
    Capabilities: [c0] MSI: Enable- Count=1/16 Maskable+ 64bit+
    Capabilities: [d8] MSI-X: Enable- Count=16 Masked-
    Capabilities: [100] Advanced Error Reporting
    Capabilities: [180] Device Serial Number ff-93-03-a3-08-60-6e-ff


    My modem is on and connection to my computer and I tried two ethernet cables. I'm thinking it might be an issue in the BIOS but I couldn't find anything to enable ethernet when I looked around the BIOS. Or perhaps I need an update, because that was the solution to someone else's similar problem. (They had to download and install driver r8168-8.028.00)

    Thanks!
    Last edited by ShadowVegan; March 4th, 2013 at 05:19 PM.

  2. #2
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    Re: Ethernet port not registering

    We need just a bit more information before we can propose a solution:
    Code:
    lspci -nn
    uname -r
    Thanks.
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, Ph.D.

  3. #3
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    Re: Ethernet port not registering

    Code:
    administrator@X55A:~$ lspci -nn
    00:00.0 Host bridge [0600]: Intel Corporation Ivy Bridge DRAM Controller [8086:0154] (rev 09)
    00:02.0 VGA compatible controller [0300]: Intel Corporation Ivy Bridge Graphics Controller [8086:0156] (rev 09)
    00:14.0 USB controller [0c03]: Intel Corporation Panther Point USB xHCI Host Controller [8086:1e31] (rev 04)
    00:16.0 Communication controller [0780]: Intel Corporation Panther Point MEI Controller #1 [8086:1e3a] (rev 04)
    00:1a.0 USB controller [0c03]: Intel Corporation Panther Point USB Enhanced Host Controller #2 [8086:1e2d] (rev 04)
    00:1b.0 Audio device [0403]: Intel Corporation Panther Point High Definition Audio Controller [8086:1e20] (rev 04)
    00:1c.0 PCI bridge [0604]: Intel Corporation Panther Point PCI Express Root Port 1 [8086:1e10] (rev c4)
    00:1c.1 PCI bridge [0604]: Intel Corporation Panther Point PCI Express Root Port 2 [8086:1e12] (rev c4)
    00:1c.3 PCI bridge [0604]: Intel Corporation Panther Point PCI Express Root Port 4 [8086:1e16] (rev c4)
    00:1d.0 USB controller [0c03]: Intel Corporation Panther Point USB Enhanced Host Controller #1 [8086:1e26] (rev 04)
    00:1f.0 ISA bridge [0601]: Intel Corporation Panther Point LPC Controller [8086:1e5e] (rev 04)
    00:1f.2 SATA controller [0106]: Intel Corporation Panther Point 6 port SATA Controller [AHCI mode] [8086:1e03] (rev 04)
    00:1f.3 SMBus [0c05]: Intel Corporation Panther Point SMBus Controller [8086:1e22] (rev 04)
    02:00.0 Network controller [0280]: Ralink corp. RT5390 Wireless 802.11n 1T/1R PCIe [1814:5390]
    03:00.0 Ethernet controller [0200]: Atheros Communications Inc. AR8161 Gigabit Ethernet [1969:1091] (rev 10)

    Code:
    administrator@X55A:~$ uname -r
    3.5.0-23-generic
    Thanks.

  4. #4
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    Re: Ethernet port not registering

    The driver for your relatively new device is called alx. It is included by default in kernel version 3.5.0-25 but not in -23 which you are using. I believe it's as easy as downloading and installing the latest linux-image on a USB stick or similar, dropping it on your desktop and installing it. After a reboot, you should be all set. Please get the latest linux-image here. http://packages.ubuntu.com/quantal/l...5.0-25-generic

    Be sure to get either the 32- or 64-bit package as appropriate; find which you need with:
    Code:
    arch
    If it returns i686, then you need 32-bit, known on the download page as i386 (yeah, I know!)

    Drag and drop it on your desktop. Install from the terminal with:
    Code:
    sudo dpkg -i Desktop/linux-image*.deb
    Reboot and let us hear your report.
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, Ph.D.

  5. #5
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    Re: Ethernet port not registering

    I'm having the same issue, but with a desktop. Gigabyte H77M-DH3 motherboard.

    I'm using kernel 3.5.0-25-generic.

    lspci-nn output is
    Code:
    00:00.0 Host bridge [0600]: Intel Corporation Xeon E3-1200 v2/3rd Gen Core processor DRAM Controller [8086:0150] (rev 09)
    00:02.0 VGA compatible controller [0300]: Intel Corporation Xeon E3-1200 v2/3rd Gen Core processor Graphics Controller [8086:0152] (rev 09)
    00:14.0 USB controller [0c03]: Intel Corporation 7 Series/C210 Series Chipset Family USB xHCI Host Controller [8086:1e31] (rev 04)
    00:16.0 Communication controller [0780]: Intel Corporation 7 Series/C210 Series Chipset Family MEI Controller #1 [8086:1e3a] (rev 04)
    00:1a.0 USB controller [0c03]: Intel Corporation 7 Series/C210 Series Chipset Family USB Enhanced Host Controller #2 [8086:1e2d] (rev 04)
    00:1b.0 Audio device [0403]: Intel Corporation 7 Series/C210 Series Chipset Family High Definition Audio Controller [8086:1e20] (rev 04)
    00:1c.0 PCI bridge [0604]: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 1 [8086:1e10] (rev c4)
    00:1c.4 PCI bridge [0604]: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 5 [8086:1e18] (rev c4)
    00:1c.6 PCI bridge [0604]: Intel Corporation 82801 PCI Bridge [8086:244e] (rev c4)
    00:1d.0 USB controller [0c03]: Intel Corporation 7 Series/C210 Series Chipset Family USB Enhanced Host Controller #1 [8086:1e26] (rev 04)
    00:1f.0 ISA bridge [0601]: Intel Corporation H77 Express Chipset LPC Controller [8086:1e4a] (rev 04)
    00:1f.2 RAID bus controller [0104]: Intel Corporation 82801 SATA Controller [RAID mode] [8086:2822] (rev 04)
    00:1f.3 SMBus [0c05]: Intel Corporation 7 Series/C210 Series Chipset Family SMBus Controller [8086:1e22] (rev 04)
    02:00.0 Ethernet controller [0200]: Atheros Communications Inc. AR8161 Gigabit Ethernet [1969:1091] (rev 10)
    03:00.0 PCI bridge [0604]: Intel Corporation 82801 PCI Bridge [8086:244e] (rev 41)
    04:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8169 PCI Gigabit Ethernet Controller [10ec:8169] (rev 10)
    I've tried manually loading the alx driver using modprobe. I get no errors. I've also compiled the drivers myself, using these directions. The Realtek controller that's listed is a PCI adapter that I put in while trying to get the AR8161 to work.

    Also, sudo lshw -class network returns the following. Why would the network be showing as disabled?
    Code:
      *-network DISABLED
           description: Ethernet interface
           product: AR8161 Gigabit Ethernet
           vendor: Atheros Communications Inc.
           physical id: 0
           bus info: pci@0000:02:00.0
           logical name: p4p1
           version: 10
           serial: 90:2b:34:9b:dc:a0
           size: 1Gbit/s
           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 duplex=full firmware=alx latency=0 link=no multicast=yes port=twisted pair speed=1Gbit/s
           resources: irq:44 memory:f7d00000-f7d3ffff ioport:e000(size=128)
      *-network
           description: Ethernet interface
           product: RTL8169 PCI Gigabit Ethernet Controller
           vendor: Realtek Semiconductor Co., Ltd.
           physical id: 0
           bus info: pci@0000:04:00.0
           logical name: p6p1
           version: 10
           serial: 00:14:d1:20:7a:9c
           size: 1Gbit/s
           capacity: 1Gbit/s
           width: 32 bits
           clock: 66MHz
           capabilities: pm bus_master cap_list rom ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation
           configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=full ip=10.0.0.127 latency=64 link=yes maxlatency=64 mingnt=32 multicast=yes port=MII speed=1Gbit/s
           resources: irq:18 ioport:d000(size=256) memory:f7c20000-f7c200ff memory:f7c00000-f7c1ffff
    Last edited by SoCalChris; March 4th, 2013 at 11:42 PM. Reason: Clarification

  6. #6
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    Re: Ethernet port not registering

    Quote Originally Posted by SoCalChris View Post
    I'm having the same issue, but with a desktop. Gigabyte H77M-DH3 motherboard.

    I'm using kernel 3.5.0-25-generic.

    I've tried manually loading the alx driver using modprobe. I get no errors.
    What does this tell us?
    Code:
    ifconfig
    lsmod | grep alx
    dmesg | grep -e eth0 -e alx
    Thanks.
    I've also compiled the drivers myself, using these directions.
    Obsolete as of 3.5.0-25.
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, Ph.D.

  7. #7
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    Re: Ethernet port not registering

    ifconfig (p6p1 is the Realtek card, I'm not sure why it named it that)
    Code:
    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:16436  Metric:1
              RX packets:20 errors:0 dropped:0 overruns:0 frame:0
              TX packets:20 errors:0 dropped:0 overruns:0 carrier:0
              collisions:0 txqueuelen:0 
              RX bytes:1424 (1.4 KB)  TX bytes:1424 (1.4 KB)
    
    p6p1      Link encap:Ethernet  HWaddr 00:14:d1:20:7a:9c  
              inet addr:10.0.0.127  Bcast:10.255.255.255  Mask:255.0.0.0
              inet6 addr: fe80::214:d1ff:fe20:7a9c/64 Scope:Link
              UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
              RX packets:1023 errors:0 dropped:0 overruns:0 frame:0
              TX packets:529 errors:0 dropped:0 overruns:0 carrier:0
              collisions:0 txqueuelen:1000 
              RX bytes:97288 (97.2 KB)  TX bytes:243910 (243.9 KB)
    lsmod | grep alx
    Code:
    alx                    81293  0 
    compat                 13228  1 alx
    dmesg | grep -e eth0 -e alx
    Code:
    [    0.944825] r8169 0000:04:00.0: eth0: RTL8169sb/8110sb at 0xffffc90000656000, 00:14:d1:20:7a:9c, XID 10000000 IRQ 18
    [    0.944828] r8169 0000:04:00.0: eth0: jumbo features [frames: 7152 bytes, tx checksumming: ok]
    [    6.585385] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
    [    7.106382] alx 0000:02:00.0: DMA to 64-BIT addresses
    [    7.106433] alx 0000:02:00.0: (unregistered net_device): HW Flags = 0x415
    [    7.106842] alx 0000:02:00.0: (unregistered net_device): reset PHY, pws = 1, az = 0, ptp = 0
    [    7.108015] alx 0000:02:00.0: (unregistered net_device): speed = 0x2f, autoneg = 1
    [    7.109053] alx 0000:02:00.0: irq 44 for MSI/MSI-X
    [    7.109279] alx: Atheros Gigabit Network Connection

  8. #8
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    Re: Ethernet port not registering

    p6p1 Link encap:Ethernet HWaddr 00:14:d1:20:7a:9c
    inet addr:10.0.0.127 Bcast:10.255.255.255 Mask:255.0.0.0
    Very interesting. As well, I see you have two ethernet devices, one driven by r8169 and the other by alx. The r8169 device, p6p1??, evidently has an IP address. Is an ethernet cable attached to the Atheros? What on earth are you trying to accomplish?

    Did the motherboard come with an Atheros and a Realtek or is one an add-on?

    It looks like alx loaded during boot without drama.

    Yikes.
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, Ph.D.

  9. #9
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    Re: Ethernet port not registering

    The motherboard has the Atheros chip built in, the Realtek was swiped out of my daughter's computer so that I could download the driver source and work on it remotely over SSH. My ultimate goal is to remove the Realtek card, and just use the Atheros that is built into the motherboard. The Realtek card does have an IP, and is working fine. There is a cable connected to the Atheros as well, and the activity lights are showing activity (They aren't on solid, and aren't blinking in a pattern).

    Any other suggestions? Do you think reinstalling from scratch would be worth a try? I haven't done much at all with this system yet, so I wouldn't be losing much.

    Thanks for your time, I appreciate it

  10. #10
    Join Date
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    Re: Ethernet port not registering

    I tried your suggestion and it didn't work, and now the USB ports won't work either. They will register USB drives, and my mouse will light up, and my phone will register being connected when I plug it into my computer. However, my mouse doesn't work, and I can't tether my phone to my laptop for internet (so now I can't use the internet at all on that computer). How can I at least get the USB ports working again? Thanks.

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