[REGRESSION] Trouble seeing some wireless networks in latest git - Kernel

This is a discussion on [REGRESSION] Trouble seeing some wireless networks in latest git - Kernel ; Hey, There seems to be some kind of regression in wireless drivers that makes it not possible to see some wireless networks. This can be seen with both b43 and iwl3945 drivers. Using Kismet wireless scanner these networks were visible ...

+ Reply to Thread
Results 1 to 4 of 4

Thread: [REGRESSION] Trouble seeing some wireless networks in latest git

  1. [REGRESSION] Trouble seeing some wireless networks in latest git

    Hey,

    There seems to be some kind of regression in wireless drivers that makes
    it not possible to see some wireless networks.

    This can be seen with both b43 and iwl3945 drivers.

    Using Kismet wireless scanner these networks were visible under latest
    git.
    All the networks rendered invisible seem to be from channels: 1 (one
    network visible), 3, 8, 12 and 13. Visible networks are in channels 1,
    4, 6, 9 and 11.

    Any hints how to debug this further?

    --
    Priit
    --
    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to majordomo@vger.kernel.org
    More majordomo info at http://vger.kernel.org/majordomo-info.html
    Please read the FAQ at http://www.tux.org/lkml/

  2. Re: [REGRESSION] Trouble seeing some wireless networks in latest git

    On Sunday 27 April 2008 17:43:39 Larry Finger wrote:
    > Priit Laes wrote:
    > > Hey,
    > >
    > > There seems to be some kind of regression in wireless drivers that makes
    > > it not possible to see some wireless networks.
    > >
    > > This can be seen with both b43 and iwl3945 drivers.
    > >
    > > Using Kismet wireless scanner these networks were visible under latest
    > > git.
    > > All the networks rendered invisible seem to be from channels: 1 (one
    > > network visible), 3, 8, 12 and 13. Visible networks are in channels 1,
    > > 4, 6, 9 and 11.
    > >
    > > Any hints how to debug this further?

    >
    > This regression sounds like a perfect place to use git bisection. As it affects
    > b43 and iwl3945, I would suspect some change in mac80211.


    Nah, it's a regulatory setting issue.
    The default regdomain is US, which only allows chans 1-11.
    There's some module parameter to switch the regdomain.
    This is not a regression, but a feature.

    --
    Greetings Michael.
    --
    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to majordomo@vger.kernel.org
    More majordomo info at http://vger.kernel.org/majordomo-info.html
    Please read the FAQ at http://www.tux.org/lkml/

  3. Re: [REGRESSION] Trouble seeing some wireless networks in latest git

    Priit Laes wrote:
    > Hey,
    >
    > There seems to be some kind of regression in wireless drivers that makes
    > it not possible to see some wireless networks.
    >
    > This can be seen with both b43 and iwl3945 drivers.
    >
    > Using Kismet wireless scanner these networks were visible under latest
    > git.
    > All the networks rendered invisible seem to be from channels: 1 (one
    > network visible), 3, 8, 12 and 13. Visible networks are in channels 1,
    > 4, 6, 9 and 11.
    >
    > Any hints how to debug this further?


    This regression sounds like a perfect place to use git bisection. As it affects
    b43 and iwl3945, I would suspect some change in mac80211.

    Larry
    --
    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to majordomo@vger.kernel.org
    More majordomo info at http://vger.kernel.org/majordomo-info.html
    Please read the FAQ at http://www.tux.org/lkml/

  4. Re: [REGRESSION] Trouble seeing some wireless networks in latest git

    On Sun, 2008-04-27 at 20:00 +0300, Priit Laes wrote:
    > Ühel kenal päeval, P, 2008-04-27 kell 17:48, kirjutas Michael Buesch:
    > > > > Any hints how to debug this further?

    > > Nah, it's a regulatory setting issue.
    > > The default regdomain is US, which only allows chans 1-11.
    > > There's some module parameter to switch the regdomain.
    > > This is not a regression, but a feature.
    > >

    > Regdomain setting seems to be OK (and missing for b43):
    > iwl3945: Tunable channels: 13 802.11bg, 23 802.11a channels


    This should really read "EEPROM tunable channels" instead, cfg80211 will
    further restrict it.

    johannes

    -----BEGIN PGP SIGNATURE-----
    Comment: Johannes Berg (powerbook)

    iQIVAwUASBYLpKVg1VMiehFYAQLMOg//RcWupjJZsxUmMD1ia4jtoCCb915jPZfS
    /2L8KCC6db+YxPhoIj/1Rq2YogGh68x5mL0ugzctGYPkwA/W5XN1jWCh+aU4eiJg
    kjKv2uYKfqwMld7Ja/OMTcvehfISz04YgU3B5SDPooHRpHGZHzyFQZKbCCfUY6Ws
    dIULzK5bYqTpeCj8CCQ2JLM5Ukg8VMUeBWhRGm87jPdnc6CkUd 1xY9zu/ZWFb6wv
    bfGdgW40lqPD4X7K4x4NP6MUMWsfDhnkSpsdyj1zA5k2/OIdQwZzWidyrb20uRky
    HS5ePHK8GxPfvrnQYmjb23mSS9Cztxk3J4aM7phXatJ9vl0s3P orXyEhHrBa15fK
    6TO3Ifz+YuTqx19jt7rnLB8/5nUVAalciy7dq5P0t9MXPgld1zytHFrO/qhsRAFu
    2TImlAdHhjgBKWCOYbJURUR8IZcxargAli5h8p65iYPpzXfDxn 7NxKwmxXolxL7D
    9wfyaY54Yi3TEc6kBQEk90DJ46Lj4X09nQgaCINBFogZT9Advo qB97ZlYqUIKo6L
    MEzB705PqXY43KUMjRlBVadL6fJv+V71WUP12FXq+kfWrQva6f naI6ZPq/OUXHFE
    KMuPuyxu4maT42KNonTXf5Vz9mvo+uQV6NCXe1Sukm3ziD20iD ov6+v/BrkWYeOe
    A6S6kOL6csE=
    =4NaT
    -----END PGP SIGNATURE-----


+ Reply to Thread