Date:	Mon, 30 Jan 2012 21:41:43 -0500
From:	Dave Jones <davej@...hat.com>
To:	Emmanuel Grumbach <egrumbach@...il.com>
Cc:	Norbert Preining <preining@...ic.at>, linux-kernel@...r.kernel.org,
	ipw3945-devel@...ts.sourceforge.net,
	"Guy, Wey-Yi" <wey-yi.w.guy@...el.com>,
	Johannes Berg <johannes@...solutions.net>,
	"linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>,
	"ilw@...ux.intel.com" <ilw@...ux.intel.com>
Subject: Re: iwlagn is getting even worse with 3.3-rc1

On Thu, Jan 26, 2012 at 04:06:36PM -0800, Emmanuel Grumbach wrote:
 > On Thu, Jan 26, 2012 at 15:25, Norbert Preining <preining@...ic.at> wrote:
 > > Hi Emmanuel,
 > >
 > > On Do, 26 Jan 2012, Emmanuel Grumbach wrote:
 > >> are suffering from the same issue. I am merging the mail threads here.
 > >
 > > First tests are promising, after reboot it was working immediately
 > > without need to rfkill block/unblock. lso after suspend and resume.
 > >
 > > Will test more the next days and report back.
 > >
 > > dmesg output without debugging still the same, but connection
 > > continues without any problem:
 > > [   62.437916] Open BA session requested for 00:0a:79:eb:56:10 tid 0
 > > [   62.456184] activated addBA response timer on tid 0
 > > [   63.456042] addBA response timer expired on tid 0
 > > [   63.456063] Tx BA session stop requested for 00:0a:79:eb:56:10 tid 0
 > > [   67.008297] switched off addBA timer for tid 0
 > > [   67.008305] got addBA resp for tid 0 but we already gave up
 > > [   67.008340] Stopping Tx BA session for 00:0a:79:eb:56:10 tid 0
 > > [   67.015503] Open BA session requested for 00:0a:79:eb:56:10 tid 0
 > > [   67.031648] activated addBA response timer on tid 0
 > > [   67.129907] switched off addBA timer for tid 0
 > > [   67.129914] Aggregation is on for tid 0
 > > [   67.130076] iwlwifi 0000:06:00.0: Tx aggregation enabled on ra = 00:0a:79:eb:56:10 tid = 0
 > > [  100.288018] tx session timer expired on tid 0
 > > [  100.288032] Tx BA session stop requested for 00:0a:79:eb:56:10 tid 0
 > > [  106.347302] Stopping Tx BA session for 00:0a:79:eb:56:10 tid 0
 > > [  106.374760] Open BA session requested for 00:0a:79:eb:56:10 tid 0
 > > [  106.388178] activated addBA response timer on tid 0
 > > [  106.390041] switched off addBA timer for tid 0
 > > [  106.390044] Aggregation is on for tid 0
 > > [  106.390193] iwlwifi 0000:06:00.0: Tx aggregation enabled on ra = 00:0a:79:eb:56:10 tid = 0
 > > [  135.786765] Open BA session requested for 00:0a:79:eb:56:10 tid 6
 > > [  135.804164] activated addBA response timer on tid 6
 > > [  135.806088] switched off addBA timer for tid 6
 > > [  135.806092] Aggregation is on for tid 6
 > > [  135.806241] iwlwifi 0000:06:00.0: Tx aggregation enabled on ra = 00:0a:79:eb:56:10 tid = 6
 > > [  146.912031] tx session timer expired on tid 6
 > > [  146.912071] Tx BA session stop requested for 00:0a:79:eb:56:10 tid 6
 > > [  146.924187] Stopping Tx BA session for 00:0a:79:eb:56:10 tid 6
 > > [  256.560100] tx session timer expired on tid 0
 > > [  256.560132] Tx BA session stop requested for 00:0a:79:eb:56:10 tid 0
 > > [  256.584379] Stopping Tx BA session for 00:0a:79:eb:56:10 tid 0
 > > [  258.477345] Open BA session requested for 00:0a:79:eb:56:10 tid 0
 > > [  258.500189] activated addBA response timer on tid 0
 > > [  258.502148] switched off addBA timer for tid 0
 > > [  258.502151] Aggregation is on for tid 0
 > > [  258.502340] iwlwifi 0000:06:00.0: Tx aggregation enabled on ra = 00:0a:79:eb:56:10 tid = 0
 > >
 > > Later on after resume I got a few hickups but the connection just
 > > hang for a shor ttime, then came back:
 > > [  589.895086] delba from 00:0a:79:eb:56:10 (initiator) tid 0 reason code 39
 > > [  589.895095] Rx BA session stop requested for 00:0a:79:eb:56:10 tid 0 inititator reason: 0
 > > [  589.900879] Rx A-MPDU request on tid 0 result 0
 > > [  589.900950] unexpected AddBA Req from 00:0a:79:eb:56:10 on tid 0
 > > [  589.900958] Rx BA session stop requested for 00:0a:79:eb:56:10 tid 0 recipient reason: 32
 > > [  589.902649] Rx A-MPDU request on tid 0 result 0
 > > [  589.902690] unexpected AddBA Req from 00:0a:79:eb:56:10 on tid 0
 > > [  589.902698] Rx BA session stop requested for 00:0a:79:eb:56:10 tid 0 recipient reason: 32
 > > [  589.903732] Rx A-MPDU request on tid 0 result 0
 > > [  589.903810] unexpected AddBA Req from 00:0a:79:eb:56:10 on tid 0
 > > [  589.903817] Rx BA session stop requested for 00:0a:79:eb:56:10 tid 0 recipient reason: 32
 > > [  589.904965] Rx A-MPDU request on tid 0 result 0
 > > [  589.905045] unexpected AddBA Req from 00:0a:79:eb:56:10 on tid 0
 > > [  589.905053] Rx BA session stop requested for 00:0a:79:eb:56:10 tid 0 recipient reason: 32
 > > [  589.906510] Rx A-MPDU request on tid 0 result 0
 > > [  590.456062] ieee80211 phy0: release an RX reorder frame due to timeout on earlier frames
 > > [  590.456075] ieee80211 phy0: release an RX reorder frame due to timeout on earlier frames
 > > [  590.456083] ieee80211 phy0: release an RX reorder frame due to timeout on earlier frames
 > > [  594.413810] delba from 00:0a:79:eb:56:10 (initiator) tid 0 reason code 39
 > > [  594.413822] Rx BA session stop requested for 00:0a:79:eb:56:10 tid 0 inititator reason: 0
 > > [  594.428073] Rx A-MPDU request on tid 0 result 0
 > >
 > >
 > > Generally fine.
 > >
 > > Thanks, more reports later.
 > >
 > 
 > Dave ?

after running with it all evening, it seems to be working fine so far.

(Sorry for delay, been on vacation for a week)

	Dave

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