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Thread: New kernel: mixed news for Apple fanbois

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  1. #1
    Senior Member VulpiArgenti's Avatar
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    Default New kernel: mixed news for Apple fanbois

    Brcmsmac

    The good news: this driver is back, and works nicely for web browsing
    The bad news: it isn't much use for anything else


    B43

    The good news: the new kernel should support this driver for most Mac cards
    The bad news: I haven't (yet?) got it working

  2. #2
    Developer muts's Avatar
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    Default Re: New kernel: mixed news for Apple fanbois

    1. brcmsmac injection worked fine on my mac with BT5r2, kernel 3.2.6.
    2. b43 can not co-exist with brcmsmac in kernel 3.2.6. If you need to change to b43, check the wiki. http://www.backtrack-linux.org/wiki/..._Backtrack5_r2
    3. We are still working on BT5 r2 documentation, so be patient.
    4. before announcing "news", please take time to check things thoroughly.
    5. while announcing "news", please be a bit more descriptive about your specific hardware.
    Last edited by muts; 02-25-2012 at 10:36 AM.

  3. #3
    Senior Member VulpiArgenti's Avatar
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    Default Re: New kernel: mixed news for Apple fanbois

    Many thanks for your reply muts.

    please be a bit more descriptive about your specific hardware.
    Apologies; MacBookAir 3,2
    Code:
    root@bt:~# lspci -vnn | grep 14e4
    01:00.0 Network controller [0280]: Broadcom Corporation Device [14e4:4353] (rev 01)
    __________________________________________________ ________________________________________
    please take time to check things thoroughly.
    ???

    __________________________________________________ ________________________________________
    it isn't much use for anything else
    While it's true that it passes the injection test (as it did in BT5);

    Code:
    root@bt:~# aireplay-ng -9 mon0
    10:26:27  Trying broadcast probe requests...
    10:26:27  Injection is working!
    10:26:29  Found 2 APs
    
    10:26:29  Trying directed probe requests...
    10:26:29  00:25: etc
    10:26:34  Ping (min/avg/max): 3.737ms/136.610ms/181.139ms Power: -89.56
    10:26:34  18/30:  60%
    
    10:26:34  00:13: etc
    10:26:39  Ping (min/avg/max): 4.356ms/158.922ms/191.733ms Power: -57.16
    10:26:39  25/30:  83%
    I still have the old problem of not collecting data or handshakes in airodump-ng

    Code:
     BSSID              PWR  Beacons    #Data, #/s  CH  MB   ENC  CIPHER AUTH ESSID          
                                                                                             
     00:25:etc        -47      928        0    0  11  54e. WPA2 CCMP   PSK        
     00:13:etc        -65      883        0    0   1  54   WPA2 CCMP   PSK    
     00:60:etc        -77      374        0    0   6  54e  WPA2 CCMP   PSK           
     74:91:etc        -91      129        0    0   6  54e. OPN
    I have confirmed there is no data by wireshark inspection, and also by comparing to a simultaneous capture from another card. Also the same result when capturing directly from wireshark, so it isn't a problem specific to airodump-ng.

    Deauth attacks are successful (but no handshakes captured).

    It will not associate with my AP after macchanging.

    So, for me, brcmsmac is not (yet) useful in a real world setting, when compared to USB cards or to the excellent iwlagn in my other laptop.

  4. #4
    Senior Member VulpiArgenti's Avatar
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    Default Re: New kernel: mixed news for Apple fanbois

    If you need to change to b43, check the wiki
    A very clear tutorial thanks. It seemed to run well, apart from:

    Code:
    WARNING: modpost: Found 24 section mismatch(es).
    To see full details build your kernel with:
    'make CONFIG_DEBUG_SECTION_MISMATCH=y'
    After reboot, no wireless modules were loaded. Modprobe b43 appeared to be successfull, the module was seen in lsmod, but no wireless available on ifconfig -a.

    Syslog shows:
    Code:
    bt kernel: [   56.757697] Broadcom 43xx driver loaded [ Features: PMNLS ]
    which I believe is the deprecated driver.

    I will wait for the ISO and try a clean install. I have in the past used fwcutter etc, which may be causing residual problems
    Last edited by VulpiArgenti; 02-26-2012 at 01:22 AM. Reason: sp

  5. #5
    Senior Member VulpiArgenti's Avatar
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    Default Re: New kernel: mixed news for Apple fanbois

    Well unfortunately not much has changed after a clean install. Brcmsmac issues unchanged. B43 activation fails, brcmsmac persists.

    My understanding (probably wrong ) is that in the general linux community b43 is now preferred over brcmsmac; more features, more developed, more stable.

    It would be useful to hear others' results from the b43 wiki instructions. I'm happy to try harder if it works for everyone else.

  6. #6
    Senior Member VulpiArgenti's Avatar
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    Default Re: New kernel: mixed news for Apple fanbois

    I see the wiki instructions have been updated, but still fails for me. Anyone successfully installed b43?

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