Re: Warning when terminating wpa_supplicant (wext driver)

Luis R. Rodriguez
2009-05-09T01:14:04Z

On Fri, May 8, 2009 at 5:02 PM, Marcel Holtmann <marcel@holtmann.org> wrote:
> 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.

Luis