linux-kernel - Re: Suspend to RAM regression in 2.6.28-rc2 (bisected)

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Message-ID: <20081027190011.GA3951@localhost.aei.mpg.de>
Date:	Mon, 27 Oct 2008 20:00:12 +0100
From:	"Carlos R. Mafra" <crmafra2@...il.com>
To:	Johannes Berg <johannes@...solutions.net>
Cc:	Soeren Sonnenburg <kernel@....de>,
	"Rafael J. Wysocki" <rjw@...k.pl>, linux-kernel@...r.kernel.org,
	tomas.winkler@...el.com,
	"John W. Linville" <linville@...driver.com>,
	linux-wireless@...r.kernel.org
Subject: Re: Suspend to RAM regression in 2.6.28-rc2 (bisected)

On Mon 27.Oct'08 at 19:44:42 +0100, Johannes Berg wrote:
> On Mon, 2008-10-27 at 19:31 +0100, Johannes Berg wrote:
> > On Mon, 2008-10-27 at 19:07 +0100, Soeren Sonnenburg wrote:
> > 
> > > > Johannes, can you pls have a look?
> > 
> > I did, and I have no idea. Makes no sense at all.
> 
> The only thing I can remotely think of is that iwlwifi doesn't like
> being called back from within the call that it did to mac80211, which
> obviously happens here. But I have no idea, the code as it stands is
> correct, just the interaction with iwlwifi's resume seems to be broken.
> 
> Try this patch instead:

Yep, with this patch it also works!


> --- everything.orig/drivers/net/wireless/iwlwifi/iwl-agn.c	2008-10-27 19:44:12.000000000 +0100
> +++ everything/drivers/net/wireless/iwlwifi/iwl-agn.c	2008-10-27 19:44:15.000000000 +0100
> @@ -2084,7 +2084,6 @@ static void iwl_alive_start(struct iwl_p
>  		iwl4965_error_recovery(priv);
>  
>  	iwl_power_update_mode(priv, 1);
> -	ieee80211_notify_mac(priv->hw, IEEE80211_NOTIFY_RE_ASSOC);
>  
>  	if (test_and_clear_bit(STATUS_MODE_PENDING, &priv->status))
>  		iwl4965_set_mode(priv, priv->iw_mode);
> 
> 
> johannes


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