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Thread: Internet problem on Eee900

  1. #1
    Join Date
    Dec 2005
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    Ubuntu 10.04 Lucid Lynx

    Internet problem on Eee900

    Hi, I have an Eee900 series netbook with Lucid.
    Everything was working fine, but eventually something happened last night, with the netbook hibernated, and after an upgrade (if I remember correctly, also including a kernel version, always within 10.04).

    Now what happens is that no matter what I do I don't seem able to connect to the internet. The wireless is working correctly (I can access and manage my router through firefox), but whenever I tell my browser to look for web sites beyond the router it gives the same "looking for..." - "server not found" answer as when there is a dns problem.

    But there is no dns problem: connected to the same router there are two more machines, one Lucid and one Vista, both working pretty well on the net.

    The router has the correct static ip's of all three little pigs, but the small one can't get through it. Besides, both my Lucid machines have exactly the same networking configuration, except for the ip: same dns list, same ignore on ipv6. The only difference is the driver: the functional laptop has a b43 driver, whereas the disfunctional netbook has an ath5k driver.

    I suppose there must be some kind of conflict between this driver and the new kernel version installed yesterday (although the problem didn't arise immediately).

    Any similar problem reported and, more importantly, any clue about how to address it?

    ThankS.

  2. #2
    Join Date
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    Ubuntu 10.04 Lucid Lynx

    Re: Internet problem on Eee900

    Nobody knows?

  3. #3
    Join Date
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    Ubuntu 10.10 Maverick Meerkat

    Re: Internet problem on Eee900

    If you're connecting to the wireless successfully your driver is probably working correctly.

    Try pinging a straight IP address from the broken computer. That is, go to Applications > Accessories > Terminal and type this and press Enter:
    Code:
    ping 8.8.8.8
    Does that work or does it time out?

  4. #4
    Join Date
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    Re: Internet problem on Eee900

    Thanks a lot for answering.

    Ok, well the only addresses I could ping were:
    192.168.1.1 (the router)
    192.168.1.3 (the other linux box)
    nothing to do with the windows thing and nothing to do with several other wan ip's (I especially tried all the dns ip's I had at hand).

    Now something even more worrying happened. I restarted the netbook and there is now no sign of the little beacon-like icon indicating the status of network-manager-applet. No network activity at all.
    Switching on and off (Fn+F2 on my keyboard) several times the wifi, I got back the icon, no connection and a nice red exclamation mark to stress it.
    No amount of disable-enable work on networking and wireless is effective in launching the only wifi connection or sniffing the wifi router.

    What now? Ah yes, here are the if-w-configs:
    Code:
    eelsho@eelsho:~$ ifconfig
    eth0      Link encap:Ethernet  HWaddr 00:22:15:16:2b:38  
              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:1
              collisions:0 txqueuelen:1000 
              RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)
              Memory:fbfc0000-fc000000 
    
    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:782 errors:0 dropped:0 overruns:0 frame:0
              TX packets:782 errors:0 dropped:0 overruns:0 carrier:0
              collisions:0 txqueuelen:0 
              RX bytes:116931 (116.9 KB)  TX bytes:116931 (116.9 KB)
    
    wlan0     Link encap:Ethernet  HWaddr 00:15:af:a0:b0:19  
              inet addr:192.168.1.10  Bcast:192.168.1.255  Mask:255.255.255.0
              UP BROADCAST MULTICAST  MTU:1360  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)
    
    eelsho@eelsho:~$ iwconfig
    lo        no wireless extensions.
    
    eth0      no wireless extensions.
    
    wlan0     IEEE 802.11bg  ESSID:off/any  
              Mode:Managed  Access Point: Not-Associated   Tx-Power=20 dBm   
              Retry  long limit:7   RTS thr:off   Fragment thr:off
              Power Management:off

    Where are these configs stored now? Because in /etc/network/interfaces I have no mention of eth0...

    Thanks to anybody who can help.
    Last edited by Alessandro Allegri; December 30th, 2010 at 03:33 AM.

  5. #5
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    Ubuntu 10.10 Maverick Meerkat

    Re: Internet problem on Eee900

    Run this command:
    Code:
    uname -a
    I have a feeling Canonical gave LTS the same broken kernel they gave us on 10.10. If it says 2.6.35-24-generic that's probably it.

    Try going back to the older kernel by rebooting. If you dual boot with Windows or another OS, pick the 2.6.25-23-generic or older kernel from the GRUB menu. If you don't, you will need to hold SHIFT before Ubuntu starts to get the GRUB menu and select the older kernel.

    See if that fixes your problem.

  6. #6
    Join Date
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    Re: Internet problem on Eee900

    Right: the kernel! Let's see:

    Code:
    eelsho@eelsho:~$ uname -a
    Linux eelsho 2.6.32-27-generic #49-Ubuntu SMP Wed Dec 1 23:52:12 UTC 2010 i686 GNU/Linux
    Is this one known to be faulty?
    TAL.

  7. #7
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    Re: Internet problem on Eee900

    Anyway, no, it doesn't matter which kernel I choose, the no-networking situation holds on...

    Sigh.

    Reinstall? (Sigh again)

  8. #8
    Join Date
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    Re: Internet problem on Eee900

    It's hard to tell. Ubuntu 10.04 LTS uses an earlier version of the kernel than Ubuntu 10.10 where I and everyone else experienced the problem.

    It's highly unlikely that they broke two different versions of the kernel at the same time in the same way. Lightning doesn't strike twice, does it?

    Okay, so maybe we should check to be sure?

    Try going back to the older kernel by rebooting. If you dual boot with Windows or another OS, pick the older kernel from the GRUB menu. If you don't, you will need to hold SHIFT before Ubuntu starts to get the GRUB menu and select the older kernel.

    The older kernel for 10.04 LTS should be 2.6.32-26-generic.

  9. #9
    Join Date
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    Re: Internet problem on Eee900

    Thanks.
    I went back to 2.6.32-26-generic and 2.6.32-25-generic with no practical result.
    The ifconfig and iwconfig are still the same, no-show of the network manager applet (although it says one instance is already running), and if I iwconfig manually with the correct data I get stuck with the ap, which I'm not able to associate.

  10. #10
    Join Date
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    Re: Internet problem on Eee900

    Run
    Code:
    lspci -v
    and copy the section that describes your wireless card here. I think you might be able to try a different driver.

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