Re: Warning when terminating wpa_supplicant (wext driver)

Marcel Holtmann
2009-05-09T01:18:32Z

Hi Johannes,

> >> > > Copying Wey-Yi, but I think she's aware of this? It's definitely a
> >> > > driver issue. I _suspect_, but am not sure, that the driver kills the
> >> > > aggregation session when we disassoc or something and we only tell it
> >> > > about the STA removal after that, when it already killed the STA. Thus
> >> > > it would be a consequence of iwlwifi not implementing a proper
> >> > > sta_notify() callback.
> >> >
> >> > I don't see it with nl80211 driver, but that might be pure luck.
> >>
> >> Hmm, ok, that points to something else maybe... Now I wish I had my
> >> ftrace-mac80211 patch ready. Well, the patch is almost ready but we
> >> can't use ftrace in modules yet...
> >>
> >> Maybe there's some timing issue. I still think it's iwlwifi getting
> >> confused about what mac80211 is telling it as described, but it seems
> >> it's a little more subtle than what I said.
> >
> > something similar now happened during normal operation:
>
> Just curious, have you applied johill's latest idle fix patch? I've
> been running iperf overnight with it and my woes are gone. I tested RX
> though, I'm leaving TX running now but haven't yet seen any warn.

this is still running wireless-testing.git from yesterday with the debug
addBA patch from Johannes.

Regards

Marcel