On Wed, 2009-05-06 at 13:25 -0400, John W. Linville wrote:
> On Wed, May 06, 2009 at 12:36:13PM -0400, Bob Copeland wrote:
> > 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).
>
> Ah, that could be -- I sure am tired of reading bug reports about
> that...
I've bisected it. The problem is introduced by the commit
2038ccfbb5f7fc7d8bca26bf53bdd6c7778136ff:
Author: Johannes Berg <johannes@xxxxxxxxxxxxxxxx>
AuthorDate: Wed Apr 29 12:26:17 2009 +0200
Commit: John W. Linville <linville@xxxxxxxxxxxxx>
CommitDate: Thu Apr 30 15:06:34 2009 -0400
mac80211: tell driver when idle
When we aren't doing anything in mac80211, we can turn off
much of the hardware, depending on the driver/hw. Not doing
anything, aka being idle, means:
...
--
Regards,
Pavel Roskin
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