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Thread: Realtek 8111/8186 on GA-990FXA-UD3r3 won't connect to gateway

  1. #1
    Join Date
    Apr 2013
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    5

    Realtek 8111/8186 on GA-990FXA-UD3r3 won't connect to gateway

    Stop me if you heard this one....

    I built this computer about a month ago using the Gigabyte GA-990FXA-UD3 rev 3 motherboard.
    I initially put in Windows 7 64 bit professional. everthing went well, not a problem.

    Then I decided to go ahead and install Ubuntu 12.10. From what I've read online, this wasn't for the faint of heart among those who own a GA-990FXA-UD3 but did it anyway.

    Big suprise, the wired network won't connect. It tries, doesn't get a connection. then it disables, then tries again.

    I have done the following steps to no success

    • I have swapped out the seemingly faulty r8169.ko and replaced it with the r8168.ko available Here.
    • I've tried just about every method from what is directed in the README in the tarball, to various methods mentioned elsewhere on the web.
    • I've attempted to reboot even unplugging the machine from the wall for a bit.
    • I have tried installing 12.04
    • I managed to find an old Netgear WG111 usb adapter and got it to work thus giving me internet. So I did a clean install of Ubuntu with network connection (preivious installs did not have a network connection), then updated the system upon first boot. FYI: after the update the ethernet was still using r8169 so updated it with r8168.
    • I've set IPv6 to "Ignore"
    • I've attempted the
      HTML Code:
      sudo     modprobe r8168
    • I have tried using alternatives to the default network manager like Wicd


    Stll the result is the same. The wired network attempts to connect, fails, a pop up states "Wired network disconnected" then tries again.

    When I unplug the cable from the network port, it does detect that it's been disconnected and discontinues the cycle of attempting to connect.

    I have manually put in the connection details into the network configuration, this said I was connected but I had no network access.

    I've edited etc/network/Interfaces and put in the following lines

    HTML Code:
    # The Ethernet card
    auto eth0
    iface eth0 inet dhcp
    When I rebooted the splash screen comes up and tells me that it is waiting for a network connection. It never finds one and then boots up without any network connection (wireless or wired) nor can I configure it until a comment or remove the eth0 lines and reboot.

    The Win 7 64 pro install on the same machine using the same cable is able to connect no problem.

    I have a Playstation 3 that is wired to the same gateway and it connects no problem.

    I have two laptops, two android smartphones, and a Win764pro machine that connect, no problem, wireless, to the same gateway (a Motorola SBG6480 D3 cable gateway).

    In fact I had an older machine that I had Ubuntu 12.04 on it and it was able to connect to the same gateway some months ago.

    Too much detail? I'm in technical support so I tend to answer questions before they are asked Speaking of which..

    A common problem I know, but it may be related.. the networking stop and restart command lines crash ubuntu in my case.

    Here is yet more info

    I type in the "ifdown" and "ifup" command line and get the following
    HTML Code:
    $ sudo ifdown eth0
    ifdown: interface eth0 not configured
    $ sudo ifup eth0
    Ignoring unknown interface eth0=eth0.
    However...
    HTML Code:
    $ sudo ifconfig eth0 down
    $ sudo ifconfig eth0 up
    $
    Ifconfig -v output
    HTML Code:
    eth0      Link encap:Ethernet  HWaddr 94:de:80:0b:90:fd  
              inet6 addr: fe80::96de:80ff:fe0b:90fd/64 Scope:Link
              UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
              RX packets:1 errors:0 dropped:0 overruns:0 frame:0
              TX packets:0 errors:0 dropped:1748 overruns:0 carrier:0
              collisions:0 txqueuelen:1000 
              RX bytes:60 (60.0 B)  TX bytes:0 (0.0 B)
    
    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:3419 errors:0 dropped:0 overruns:0 frame:0
              TX packets:3419 errors:0 dropped:0 overruns:0 carrier:0
              collisions:0 txqueuelen:0 
              RX bytes:318849 (318.8 KB)  TX bytes:318849 (318.8 KB)
    
    wlan0     Link encap:Ethernet  HWaddr 00:1b:2f:73:cd:80  
              inet addr:192.168.0.9  Bcast:192.168.0.255  Mask:255.255.255.0
              inet6 addr: fe80::21b:2fff:fe73:cd80/64 Scope:Link
              UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
              RX packets:19332 errors:0 dropped:0 overruns:0 frame:0
              TX packets:14038 errors:0 dropped:0 overruns:0 carrier:0
              collisions:0 txqueuelen:1000 
              RX bytes:17515782 (17.5 MB)  TX bytes:2803016 (2.8 MB)
    lspci -v

    HTML Code:
    xpress Gigabit Ethernet controller (rev 06)
        Subsystem: Giga-byte Technology GA-EP45-DS5/GA-EG45M-DS2H Motherboard
        Flags: bus master, fast devsel, latency 0, IRQ 75
        I/O ports at a000 [size=256]
        Memory at da104000 (64-bit, prefetchable) [size=4K]
        Memory at da100000 (64-bit, prefetchable) [size=16K]
        Capabilities: [40] Power Management version 3
        Capabilities: [50] MSI: Enable+ Count=1/1 Maskable- 64bit+
        Capabilities: [70] Express Endpoint, MSI 01
        Capabilities: [b0] MSI-X: Enable- Count=4 Masked-
        Capabilities: [d0] Vital Product Data
        Capabilities: [100] Advanced Error Reporting
        Capabilities: [140] Virtual Channel
        Capabilities: [160] Device Serial Number 00-00-00-00-68-4c-e0-00
        Kernel driver in use: r8168
        Kernel modules: r8168
    looks like the componant is using the correct driver.

    So after scouring the net I've tried everything, Any assistance would be greatly appreciated. I'd rather not switch flavors, and since this is giving me the headache my natural inclination as a per my occupation is to take an issue by the horns and figure out a solution rather than cast it on the trash heap. Also I am a community guy so I'd like to beable to compile solutions in order to make this motherboard work for others who have such aspirations.

    Thanks

  2. #2
    Join Date
    Apr 2013
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    5

    Re: Realtek 8111/8186 on GA-990FXA-UD3r3 won't connect to gateway

    Well in an update Ive disabled all of the power saving and sleep options on Win 7, and attempted to engage WOL on the mobo.. Same result.

  3. #3
    Join Date
    Apr 2013
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    2

    Lightbulb Re: Realtek 8111/8186 on GA-990FXA-UD3r3 won't connect to gateway

    Same motherboard GA-990FXA-UD3 revision 3, two network interfaces:
    eth0 device: Realtek Semiconductor Co., Ltd. RTL8111/8168B (the one built-in)
    eth1 device: Intel Corporation 82541PI Gigabit Ethernet Co (PCI Express)
    I went though several installs of various versions of Linux (SLES 11 SP1 works fine, it's kernel v2.6.32; SLES 11 SP2 fails, it's kernel 3.0.13; Ubuntu 12.04 fails-Kernel 3.2).
    Something to do with kernel v3.x I think, maybe the Realtek drivers that come with the distributions do not work with Kernel v3.x - At least not for this motherboard.
    Note that with Windows 7, after adding the extra drivers that come with the MB, it all works fine.

    Sorry I don't have the fix. Maybe rebuilding the drivers on a v3 kernel? Advice welcome!
    Thanks!
    CL.

  4. #4
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    Re: Realtek 8111/8186 on GA-990FXA-UD3r3 won't connect to gateway

    wait, so all your usb's and network work fine now?

  5. #5
    Join Date
    Apr 2013
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    Re: Realtek 8111/8186 on GA-990FXA-UD3r3 won't connect to gateway

    SLES11 SP1: YES out of the box;
    Windows 7 with the extra drivers: YES.
    SLES11 SP2 or Ubuntu 12.04, both kernel v3.x: NO.

  6. #6
    Join Date
    Aug 2012
    Location
    Austria
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    Distro
    Lubuntu

    Re: Realtek 8111/8186 on GA-990FXA-UD3r3 won't connect to gateway

    Now I have the same problems with GA-990FXA-UD7 and Ubuntu 13.10, latest BIOS Version 07/09/2013



    Network connection not possible,

    also with "sudo service networking stop" or "sudo service networking restart" ubuntu get a black screen with a cross white cursor.

    The problem is visible, on a working Ubuntu 13.10, there is an extra IPv4 (inet) line..
    for example, in blue:

    eth0 Link encap:Ethernet HWaddr 94:de:80:0b:90:fd inet6 addr: fe80::96de:80ff:fe0b:90fd/64 Scope:Link
    inet addr:192.168.0.131 Bcast:192.168.0.255 Mask:255.255.255.0
    UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
    RX packets:1 errors:0 dropped:0 overruns:0 frame:0
    TX packets:0 errors:0 dropped:1748 overruns:0 carrier:0
    collisions:0 txqueuelen:1000 RX bytes:60 (60.0 B) TX bytes:0 (0.0 B)
    Last edited by Resistent; December 9th, 2013 at 12:20 AM.
    THX for your answers

  7. #7
    Join Date
    Aug 2012
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    Austria
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    Lubuntu

    Re: Realtek 8111/8186 on GA-990FXA-UD3r3 won't connect to gateway

    I solved the problem withj the GA-990FXA-UD7 wired network.
    --> I bought a LAN - USB adapter for about 8 USD. I jut plugged in and works works works immediatelly.
    THX for your answers

  8. #8
    Join Date
    Jun 2006
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    27

    Re: Realtek 8111/8186 on GA-990FXA-UD3r3 won't connect to gateway

    I notice your eth0 dropped count is pretty high. It'd be interesting to see the reason for this. Try running some of the commands in the article mentioned here:

    http://www.linuxjournal.com/content/fun-ethtool

    Specifically, it'd be interesting to see the output of the '-S' flag and the '-t' flag. Maybe the former will provide some insight into why lots of packets are being dropped, and hopefully the latter will tell us whether the driver/hardware is the problem.

    After that, it'd be good to take out the line in /etc/network/interfaces enabling dhcp and see whether an address can be configured manually. Then, see whether you can ping the address of the router.

    Post back and we can go from there

  9. #9
    Join Date
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    Austria
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    Lubuntu

    Re: Realtek 8111/8186 on GA-990FXA-UD3r3 won't connect to gateway

    Enable the BIOS setting IOMMU helps !

    I solved the problem.The BIOS setting IOMMU was mentioned in other blog posts,
    I enabled it in BIOS, now Ethernet works, also USB port works all.

    I have a GA-990FXA-UD7 motherboard.
    Last edited by Resistent; December 24th, 2013 at 03:53 AM.
    THX for your answers

  10. #10
    Join Date
    Sep 2006
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    4

    Re: Realtek 8111/8186 on GA-990FXA-UD3r3 won't connect to gateway

    Quote Originally Posted by Resistent View Post
    Enable the BIOS setting IOMMU
    I've had the same problem -- strange because it worked for a while then stopped. I had IOMMU enabled. (I turned it on to fix the USB not working) At the same time, I enabled 'network stack' in the BIOS settings.

    Well, I turned off 'network stack' and my Realtec Ethernet port is working again.

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