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From: Marcel Holtmann <marcel@holtmann.org>
To: "Luis R. Rodriguez" <mcgrof@gmail.com>
Cc: Johannes Berg <johannes@sipsolutions.net>,
	linux-wireless@vger.kernel.org, "Guy,
	Wey-Yi W" <wey-yi.w.guy@intel.com>
Subject: Re: Warning when terminating wpa_supplicant (wext driver)
Date: Fri, 08 May 2009 18:18:11 -0700	[thread overview]
Message-ID: <1241831891.4903.80.camel@localhost.localdomain> (raw)
In-Reply-To: <43e72e890905081813r58888509je62856008cc62d22@mail.gmail.com>

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



  parent reply	other threads:[~2009-05-09  1:18 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-05-07  6:18 Warning when terminating wpa_supplicant (wext driver) Marcel Holtmann
2009-05-07 11:35 ` Johannes Berg
2009-05-07 13:53   ` Marcel Holtmann
2009-05-07 14:19     ` Johannes Berg
2009-05-09  0:02       ` Marcel Holtmann
2009-05-09  1:13         ` Luis R. Rodriguez
2009-05-09  1:16           ` Luis R. Rodriguez
2009-05-09  1:18           ` Marcel Holtmann [this message]
2009-05-09  1:23             ` Luis R. Rodriguez
2009-05-09 11:00               ` Johannes Berg
2009-05-09 11:09         ` Johannes Berg

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