On Wed, May 6, 2009 at 12:14 PM, Pavel Roskin <proski@xxxxxxx> wrote:
> Hello!
>
> If I scan by "iw dev wlan0 scan" while sending data through the
> interface, I get a BUG in net/mac80211/tx.c:
Agreed... Also I think the same thing happens for rx for ath5k,
explaining the 'unknown rate index' warnings (sc->curband changes
during scan but we process a beacon from 2ghz band, that one at
least just needs some synchronization in the driver).
> /* RC is busted */
> if (WARN_ON_ONCE(info->control.rates[i].idx >=
> sband->n_bitrates)) {
> info->control.rates[i].idx = -1;
> continue;
> }
I had a patch here to return rate_lowest_index(). But it still
crashed eventually.
> rate = ieee80211_get_tx_rate(sc->hw, info);
> + if (!rate)
> + return -EIO;
There are a few more rates here for MRR and RTS/CTS etc.
--
Bob Copeland %% www.bobcopeland.com
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