Is Atheros AR9285 usable in AP mode ?

Adrian Chadd adrian at freebsd.org
Thu Aug 11 19:02:00 UTC 2011


Right. I wonder if the motherboard is doing anything like "green" stuff though?
That message is coming from  /etc/rc.d/power_profile which is fiddling
with the ACPI sleep state setup.
Can you please paste me the output of:

sysctl hw.acpi ?

On 12 August 2011 01:02, Claude Buisson <clbuisson at orange.fr> wrote:
> On 08/11/2011 18:23, Adrian Chadd wrote:
>>
>> Hi,
>>
>> Is powerd running?
>>
>> It does sound like you've got some kind of power saving mode going on
>> somewhere..
>>
>> Adrian
>>
>
> I do _not_ run powerd (/etc/defaults/rc.conf checked, /etc/rc.conf/checked,
> pgrep powerd done)
>
> I got rid of the
>
>    power_profile: changed to 'performance'
>
> in /var/log/messages by commenting out the entry:
>
>    # Switch power profiles when the AC line state changes.
>    notify 10 {
>        ...
>    };
>
> of /etc/devd.conf
>
> the packet loss (ping -s 1450 -c 200 on the test station) remains at 3.0%
>
> stuck beacon messages continue to flow
>
> Claude
>
>> On 11 August 2011 21:51, Claude Buisson<clbuisson at orange.fr>  wrote:
>>>
>>> Sorry, I had to travel these last days...
>>>
>>> On 08/10/2011 07:33, Adrian Chadd wrote:
>>>>
>>>> is this on a laptop or some device with power saving enabled?
>>>>
>>>> Can you please provide some more background about what you are using?
>>>>
>>>> Thanks,  adrian
>>>>
>>>
>>> No, this is not a laptop, it is a "mini system" (Atom D525 ION2):
>>>
>>> ZOTAC ZBOX I41 (see dmesg below)
>>>
>>> and a do not run powerd, etc.
>>>
>>> In the (AMI) BIOS there is an "Energy Lake" feature. Disabling it does
>>> not
>>> seems
>>> to have a noticeable effect.
>>>
>>> Disabling HyperThreading in the BIOS seems to have a small positive
>>> effect
>>> on
>>> the packet loss rate (which remains at the 2-3 % level between station
>>> and
>>> ap).
>>>
>>> I am running with hw.ath.bstuck=16 and the "stuck beacon" messages
>>> continue
>>> to flow.
>>>
>>> At boot I find a:
>>>
>>> power_profile: changed to 'performance'
>>>
>>> entry in /var/log/messages, of which I can't get rid (I tried
>>> power_profile_enable="NO" in rc.conf).
>>>
>>> My test station is a 7.4-STABLE, with an 2200B/G iwi hardware, and for
>>> the
>>> moment I run in open mode (for these tests).
>>>
>>> On the other hand, I don't have any problem/loss running the ZBOX as a
>>> station
>>> with my current access point (6 years old Netgear WG602v3) in WPA2 mode.
>>>
>>> I can do furter tests at your will, if given sufficiently precise
>>> guidance.
>>>
>>> Claude Buisson
>>>
>>>> On 07/08/2011, Claude Buisson<clbuisson at orange.fr>    wrote:
>>>>>
>>>>> Hi,
>>>>>
>>>>> I try to configure a new system as an access point, with:
>>>>>
>>>>> ath0:<Atheros 9285>    mem 0xfeaf0000-0xfeafffff irq 17 at device 0.0
>>>>> on
>>>>> pci2
>>>>> ath0: AR9285 mac 192.2 RF5133 phy 14.0
>>>>>
>>>>> ath0 at pci0:2:0:0: class=0x028000 card=0x10891a3b chip=0x002b168c
>>>>> rev=0x01
>>>>> hdr=0x00
>>>>>       vendor     = 'Atheros Communications Inc.'
>>>>>       device     = 'AR9285 Wireless Network Adapter (PCI-Express)'
>>>>>       class      = network
>>>>>
>>>>> According to the sticker, it is a:
>>>>>
>>>>> AzureWave AW-NE785 ATH-5B95
>>>>>
>>>>> I get a lot of:
>>>>>
>>>>>    ath0: stuck beacon: resetting (bmiss count 4)
>>>>>
>>>>> I set  hw.ath.bstuck=32
>>>>>
>>>>> but the stuck beacon messages continue flowing, and I suffer from
>>>>> packet
>>>>> loss /
>>>>> lost association of the test station.
>>>>>
>>>>> This is on a 9-CURRENT system amd64 SMP (2011/07/24 svn r224294).
>>>>>
>>>>> TIA,
>>>>>
>>>>> CBu
>>>>>
>>>>> P.S.: to prevent a number of useless questions (as seen when googling):
>>>>> I
>>>>> live
>>>>> in the country, with _no_ other wireless network in the vicinity :-)
>>>>> _______________________________________________
>>>>> freebsd-wireless at freebsd.org mailing list
>>>>> http://lists.freebsd.org/mailman/listinfo/freebsd-wireless
>>>>> To unsubscribe, send any mail to
>>>>> "freebsd-wireless-unsubscribe at freebsd.org"
>>>>>
>>>>
>>>
>>
>
>


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