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Thread: HUGE problem with Macbook wireless

  1. #1
    Join Date
    Nov 2007
    Location
    The Blogipelago
    Beans
    31
    Distro
    Ubuntu Karmic Koala (testing)

    HUGE problem with Macbook wireless

    I have a Macbook with Ubuntu 8.04. It's been through 7.04, 7.10, and the 8.04 alphas and betas. Now that I've installed the full version of 8.04, though, the wireless has gotten to quitting out every half hour or so.

    The problem is nearly irreversible once it happens. I have taken to just restarting the system whenever I notice. First, the connection just dies, then after a little bit it shows the wireless as having died. I have installed madwifi-ng (to get the wireless working in the first place), Wicd (to fix an issue I had with network-manager), and Wicd is presumably using Wext as opposed to madwifi, but whenever I update the kernel, I have to recompile Madwifi before the wireless will work.

    I could use some help here. I've seen a few other posts but they seem to have been solved or forgotten. Someone let me know what info they need. I'll start with what I know how to do:


    Code:
    ifconfig:
    
    ath0      Link encap:Ethernet  HWaddr 00:1c:b3:b4:4f:ae  
              inet addr:192.168.1.107  Bcast:192.168.1.255  Mask:255.255.255.0
              inet6 addr: fe80::21c:b3ff:feb4:4fae/64 Scope:Link
              UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
              RX packets:17752 errors:0 dropped:0 overruns:0 frame:0
              TX packets:6285 errors:0 dropped:0 overruns:0 carrier:0
              collisions:0 txqueuelen:0 
              RX bytes:22276198 (21.2 MB)  TX bytes:655337 (639.9 KB)
    
    eth0      Link encap:Ethernet  HWaddr 00:19:e3:45:a1:a8  
              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)
              Interrupt:17 
    
    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:2268 errors:0 dropped:0 overruns:0 frame:0
              TX packets:2268 errors:0 dropped:0 overruns:0 carrier:0
              collisions:0 txqueuelen:0 
              RX bytes:113400 (110.7 KB)  TX bytes:113400 (110.7 KB)
    
    wifi0     Link encap:UNSPEC  HWaddr 00-1C-B3-B4-4F-AE-00-00-00-00-00-00-00-00-00-00  
              UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
              RX packets:23514 errors:0 dropped:0 overruns:0 frame:590
              TX packets:6475 errors:1 dropped:0 overruns:0 carrier:0
              collisions:0 txqueuelen:195 
              RX bytes:12803007 (12.2 MB)  TX bytes:801605 (782.8 KB)
              Interrupt:16 
    
    
    
    
    iwconfig:
    
    lo        no wireless extensions.
    
    wifi0     no wireless extensions.
    
    ath0      IEEE 802.11g  ESSID:"linksys"  Nickname:""
              Mode:Managed  Frequency:2.437 GHz  Access Point: 00:06:25:BB:EA:35   
              Bit Rate:36 Mb/s   Tx-Power:14 dBm   Sensitivity=1/1  
              Retry:off   RTS thr:off   Fragment thr:off
              Power Management:off
              Link Quality=33/70  Signal level=-63 dBm  Noise level=-96 dBm
              Rx invalid nwid:6928  Rx invalid crypt:0  Rx invalid frag:0
              Tx excessive retries:0  Invalid misc:0   Missed beacon:0
    
    eth0      no wireless extensions.
    Last edited by HuoMaKe; May 21st, 2008 at 07:46 PM.

  2. #2
    Join Date
    May 2007
    Location
    Savannah, GA
    Beans
    Hidden!
    Distro
    Ubuntu 9.04 Jaunty Jackalope

    Re: HUGE problem with Macbook wireless

    Hi, I don't know if you're on an intel or not. If not this post won't help you. But I configured my wireless on my Macbook Air with Ndiswrapper and I have had no problems.

    This link might give you some ideas anyways...
    https://help.ubuntu.com/community/Ma...29%7C%28Air%29

    Sometimes the windows INF file (needed for Ndiswrapper) comes with your Boot Camp files in your system CDs you get at purchase.

    This is not to discount what you've tried already; madwifi and your code there are over my head...
    (Also, IF you plan to try Ndiswrapper, I've heard it helps to uninstall Madwifi first.)

    I hope this helps, Frank B.
    Last edited by Brightbelt; May 21st, 2008 at 08:19 PM. Reason: Grammatical error

  3. #3
    Join Date
    Nov 2007
    Location
    The Blogipelago
    Beans
    31
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    Ubuntu Karmic Koala (testing)

    Re: HUGE problem with Macbook wireless

    Turns out this is working a lot better than Madwifi. I ran it all last night (with a ping going to let me know if/when it quit out) and it only skipped about 10 times (probably because I moved the computer). This was never possible before.

    Thanks, ndiswrapper!

    Also Brightbelt. You helped a little, too.

  4. #4
    Join Date
    Dec 2006
    Beans
    483
    Distro
    Hardy Heron (Ubuntu Development)

    Re: HUGE problem with Macbook wireless

    Quote Originally Posted by Brightbelt View Post
    Hi, I don't know if you're on an intel or not. If not this post won't help you. But I configured my wireless on my Macbook Air with Ndiswrapper and I have had no problems.

    This link might give you some ideas anyways...
    https://help.ubuntu.com/community/Ma...29%7C%28Air%29

    Sometimes the windows INF file (needed for Ndiswrapper) comes with your Boot Camp files in your system CDs you get at purchase.

    This is not to discount what you've tried already; madwifi and your code there are over my head...
    (Also, IF you plan to try Ndiswrapper, I've heard it helps to uninstall Madwifi first.)

    I hope this helps, Frank B.
    Just wanted to backup ndiswrapper as well, I have never had madwifi working nearly as well, although mine almost NEVER skips. I have to say, it works equally as well in linux as it does in OS X or windows for me.

    Russo
    Macbook Pro C2D
    Ubuntu 8.04

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