linux-kernel - Re: 3.4-rc ath9k regression (Re: [ath9k-devel] 3.3.1 ath9k regression)

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Date:	Mon, 9 Apr 2012 12:25:49 +0200
From:	Michael Leun <lkml20120218@...ton.leun.net>
To:	Mohammed Shafi <shafi.wireless@...il.com>
Cc:	Ben Greear <greearb@...delatech.com>, casteyde.christian@...e.fr,
	Kelly Anderson <kelly@...ka.with-linux.com>,
	"ath9k-devel@...ts.ath9k.org" <ath9k-devel@...ema.h4ckr.net>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Felix Fietkau <nbd@...nwrt.org>,
	linux-wireless Mailing List <linux-wireless@...r.kernel.org>,
	Sergio Correia <lists@...e.net>
Subject: Re: 3.4-rc ath9k regression (Re: [ath9k-devel] 3.3.1 ath9k
 regression)

On Mon, 9 Apr 2012 11:58:06 +0530
Mohammed Shafi <shafi.wireless@...il.com> wrote:

> On Mon, Apr 9, 2012 at 4:38 AM, Michael Leun
> <lkml20120218@...ton.leun.net> wrote:
> > After an suspend to disk / resume cycle (in kernel suspend to disk,
> > openSuSE) with 3.4-rc2 my ath9k wireless does not ping
> > anymore.
> >
> > Output of iwconfig wlan0 looks just as usual (associated to AP).
> >
> > iwconfig wlan0 essid <myssid> fixes this (causes an
> > deauthenticate/authenticate with AP) - then connectivity is there
> > again.
> >
> > Guess what: "Of course" does not happen when reverting
> > c1afdaff90538ef085b756454f12b29575411214 ath9k: fix going to
> > full-sleep on PS idle.
> >
> > So, in my opinion it should be seriously considered to revert that
> > patch until it is fully understood what is going on and why.
> 
> please try with the attached patch to see if it helps.

Yes, this patch helps with the issue I see in 3.4-rc2 described above.

But I agree with Ben and Sergio that it does NOT help with the issue in
3.3.1 we all see.

-- 
MfG,

Michael Leun

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