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    SubjectRe: mac80211 : WARN at net/mac80211/rate.h:153
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    On Mon, 2008-07-14 at 16:14 +0200, Michael Buesch wrote:
    > CCing PID guys.
    > I've seen several people hitting this. What's the meaning of this warning?

    It basically means the rate control cannot find any rate in
    local->hw.wiphy->bands[local->hw.conf.channel->band] that is supported
    by the sta in question. Normally this should not happen. I guess the
    reason is that the supported rates bits in the sta info are all zero,
    which would probably be a bug. I haven't seen this here, but I don't use
    the IBSS code either. To further investigate this, you could the
    following just before the WARN_ON:

    printk(KERN_DEBUG "supported rates bitmask: %08x\n",
    sta->supp_rates[sband->band]);

    Mattias



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