On Thu, Jul 23, 2009 at 11:17 AM, Luis R. Rodriguez<mcgrof@xxxxxxxxxxxxxxxxxxxxxx> wrote: > On Thu, Jul 23, 2009 at 07:28:44PM +0200, Fabio Rossi wrote: >> On Thursday 23 July 2009, Luis R. Rodriguez wrote: >> >> > On Thu, Jul 23, 2009 at 10:07 AM, Fabio Rossi<rossi.f@xxxxxxxxx> wrote: >> > > On Thursday 23 July 2009, Luis R. Rodriguez wrote: >> > >> On Wed, Jul 22, 2009 at 3:51 PM, Fabio Rossi<rossi.f@xxxxxxxxx> wrote: >> > >> > I'm using the last wireless-testing.git and I have experienced the >> > >> > following WARNING: >> > >> > >> > >> > WARNING: at net/mac80211/tx.c:561 >> > >> > ieee80211_tx_h_rate_ctrl+0x3d1/0x470 [mac80211]() >> > >> >> > >> Please try a git pull >> > > >> > > I was already working with the latest release: >> > > v2.6.31-rc3-28452-g5bfcdb0 >> > > so I confirm that I get the warning quite often (every 15 seconds). >> > >> > What channel is your AP on? >> > Is your AP 00:0c:f6:xx:xx:xx ? >> >> Yes, that is my AP configured on channel 8 (Frequency 2.447 GHz): >> >> Cell 05 - Address: 00:0C:F6:xx:xx:xx >> Channel:8 >> Frequency:2.447 GHz (Channel 8) >> Quality=48/70 Signal level=-62 dBm >> Encryption key:on >> ESSID:"" >> Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s >> Bit Rates:6 Mb/s; 9 Mb/s; 12 Mb/s; 18 Mb/s; 24 Mb/s >> 36 Mb/s; 48 Mb/s; 54 Mb/s >> Mode:Master >> Extra:tsf=000000007803aa0c >> Extra: Last beacon: 4352ms ago >> IE: Unknown: 0000 >> IE: Unknown: 010482848B96 >> IE: Unknown: 030108 >> IE: Unknown: 050400010000 >> IE: Unknown: 2A0104 >> IE: Unknown: 32080C1218243048606C >> IE: Unknown: DD07000C4301000000 > > It is as I suspected, a real WARNING for a bug in mac80211, we should > not be sending frames on 5 GHz onyour 2.4 GHz AP. > > Please try this patch: > > From: Luis R. Rodriguez <lrodriguez@xxxxxxxxxxx> > Subject: [PATCH] mac80211: do not trigger beacon work if scanning > > We were issues probe requests to the associated AP on the wrong > band. This leads to finding not bitrate. We should not be doing > this, so prevent the timer from stuffing beacon loss work on > the mac80211 workqueue. > > Signed-off-by: Luis R. Rodriguez <lrodriguez@xxxxxxxxxxx> > --- > net/mac80211/mlme.c | 2 +- > 1 files changed, 1 insertions(+), 1 deletions(-) > > diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c > index 523c0d9..e90992e 100644 > --- a/net/mac80211/mlme.c > +++ b/net/mac80211/mlme.c > @@ -2187,7 +2187,7 @@ static void ieee80211_sta_bcn_mon_timer(unsigned long data) > (struct ieee80211_sub_if_data *) data; > struct ieee80211_local *local = sdata->local; > > - if (local->quiescing) > + if (local->quiescing || local->sw_scanning || local->hw_scanning) > return; Heh no wait, this is very wrong. Luis -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
