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Re: ath5k regression associating with APs in 2.6.38

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2011/5/17 Seth Forshee <seth.forshee@xxxxxxxxxxxxx>:
> On Mon, May 09, 2011 at 09:02:30AM +0200, Seth Forshee wrote:
>> On Thu, May 05, 2011 at 05:30:42PM +0300, Nick Kossifidis wrote:
>> > Hmm I don't see any errors from reset/phy code, can you disable
>> > Network Manager/wpa-supplicant and test connection on an open network
>> > using iw ? It 'll give us a better picture...
>> >
>> > If iw doesn't return any scan results we are probably hitting a PHY/RF
>> > error specific to your device (not all vendors follow the reference
>> > design). Maybe we should follow a blacklist/whitelist approach for
>> > this feature.
>>
>> I got the results back from my tester. He was able to get scan results,
>> but it took multiple tries and the direct probe failures appear in the
>> log. He didn't enable ATH5K_DEBUG_RESET this time; let me know if you
>> need that and I'll request he retest with the extra debug logs enabled.
>
> I got some more feedback. Most of the time iw does not get scan results,
> but even when it does connecting to the AP isn't always successful. The
> tester did note that he doesn't seem to have any trouble if his machine
> is within a few feet of his AP. Let me know if you'd like something else
> tested.
>
> I noticed that bugzilla #31922 (ath5k: Decreased throughput in IBSS or
> 802.11n mode) is also fixed by reverting 8aec7af9. It seems like the
> synth-only channel changes are resulting in poor connection quality.
> Maybe that patch needs to be reverted?
>
> Thanks,
> Seth
>
>

http://www.kernel.org/pub/linux/kernel/people/mickflemm/01-fast-chan-switch-modparm

-- 
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As you read this post global entropy rises. Have Fun ;-)
Nick
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