linux-kernel - Re: [Bug #14267] Disassociating atheros wlan

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Date:	Sun, 22 Nov 2009 07:03:02 -0800
From:	"Justin P. Mattock" <justinmattock@...il.com>
To:	Johannes Berg <johannes@...solutions.net>
CC:	"Rafael J. Wysocki" <rjw@...k.pl>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Kernel Testers List <kernel-testers@...r.kernel.org>,
	"John W. Linville" <linville@...driver.com>,
	Kristoffer Ericson <kristoffer.ericson@...il.com>
Subject: Re: [Bug #14267] Disassociating atheros wlan

Johannes Berg wrote:
> On Sat, 2009-11-21 at 09:38 -0800, Justin P. Mattock wrote:
>
>    
>> I did a bisect yesterday on this, and the results
>> seemed to have worked over here by reverting:
>>
>> 75e6c3b72b3ab01c47629f3fbd0fed4e6550bf3a
>> cfg80211: lower dynamic PS timeout to 100ms
>>
>> if Kristoffer can try reverting this one
>> to see, then we can go from there.
>>      
>
> So that just means the driver is broken. Please run
>
> 	iwconfig wlan0 power off
>
> to fix it then. And the patch below will disable it by default since
> it's broken.
>
> johannes
>
> --- wireless-testing.orig/drivers/net/wireless/ath/ath9k/main.c	2009-11-22 11:44:41.000000000 +0100
> +++ wireless-testing/drivers/net/wireless/ath/ath9k/main.c	2009-11-22 11:45:26.000000000 +0100
> @@ -1893,6 +1893,8 @@ void ath_set_hw_capab(struct ath_softc *
>   		BIT(NL80211_IFTYPE_ADHOC) |
>   		BIT(NL80211_IFTYPE_MESH_POINT);
>
> +	hw->wiphy->ps_default = false;
> +
>   	hw->queues = 4;
>   	hw->max_rates = 4;
>   	hw->channel_change_time = 5000;
>
>
>
>    
I'm in the process of stepping out
of my office for a few days.
(can probably give a try where I'm
headed, just give me some time).

Justin P. Mattock
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