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Re: ath9k and power management

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On Fri, Mar 27, 2009 at 15:42, Kalle Valo <kalle.valo@xxxxxx> wrote:
> Davide Pesavento <davidepesa@xxxxxxxxx> writes:
>
>> I'm running a 2.6.29-wl kernel, using ath9k and wpa_supplicant 0.6.9
>> (with -Dnl80211).
>> Enabling power management when connected (i.e. 'iwconfig wlan0 power
>> on'), causes the currently established connection to break and the
>> machine is no longer able to reconnect to the AP.
>
> Try with a timeout, for example three seconds:
>
> iwconfig wlan0 power timeout 3
>
> It might be that ath9k doesn't work when timeout is zero (which 'power
> on' effectively does). You need a fairly new wireless-tools to set the
> timeout, older versions had a bug with that.
>

Ok, I installed wireless-tools 30-pre8 and tried with a timeout.
The results are more or less the same as before...

< iwconfig wlan0 power timeout 3 >

[ 2315.293198] wlan0: beacon loss from AP 00:1b:2f:58:30:76 - sending
probe request
[ 2321.296532] wlan0: beacon loss from AP 00:1b:2f:58:30:76 - sending
probe request
[ 2327.299864] wlan0: beacon loss from AP 00:1b:2f:58:30:76 - sending
probe request
[ 2333.303208] wlan0: beacon loss from AP 00:1b:2f:58:30:76 - sending
probe request
[ 2335.303190] wlan0: no probe response from AP 00:1b:2f:58:30:76 -
disassociating
[ 2335.303431] phy0: Removed STA 00:1b:2f:58:30:76
[ 2335.333248] phy0: Destroyed STA 00:1b:2f:58:30:76
[ 2388.465095] ADDRCONF(NETDEV_UP): wlan0: link is not ready
[ 2388.669843] wlan0: deauthenticating by local choice (reason=3)
[ 2388.840995] ADDRCONF(NETDEV_UP): wlan0: link is not ready

< manual restart of wpa_supplicant >

[ 2392.979891] wlan0: dropped data frame to not associated station
00:00:00:00:00:00
[ 2403.113236] wlan0: dropped data frame to not associated station
00:00:00:00:00:00
[ 2403.705107] wlan0: authenticate with AP 00:1b:2f:58:30:76
[ 2403.707389] wlan0: authenticated
[ 2403.707395] wlan0: associate with AP 00:1b:2f:58:30:76
[ 2403.710568] wlan0: RX AssocResp from 00:1b:2f:58:30:76 (capab=0x431
status=0 aid=1)
[ 2403.710574] wlan0: associated
[ 2403.710603] phy0: Allocated STA 00:1b:2f:58:30:76
[ 2403.710622] phy0: Inserted STA 00:1b:2f:58:30:76
[ 2403.710628] wmaster0: WMM queue=2 aci=0 acm=0 aifs=3 cWmin=15
cWmax=1023 txop=0
[ 2403.710643] wmaster0: WMM queue=3 aci=1 acm=0 aifs=7 cWmin=15
cWmax=1023 txop=0
[ 2403.710656] wmaster0: WMM queue=1 aci=2 acm=0 aifs=2 cWmin=7 cWmax=15 txop=94
[ 2403.710668] wmaster0: WMM queue=0 aci=3 acm=0 aifs=2 cWmin=3 cWmax=7 txop=47
[ 2403.710685] wlan0: switched to short barker preamble
(BSSID=00:1b:2f:58:30:76)
[ 2403.710690] wlan0: switched to short slot time (BSSID=00:1b:2f:58:30:76)
[ 2403.711356] ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 2408.535506] ath9k: rx failed to go idle in 10 ms RXSM=0xdeadbeef
[ 2414.393163] wlan0: no IPv6 routers present
[ 2421.536523] wlan0: beacon loss from AP 00:1b:2f:58:30:76 - sending
probe request
[ 2427.539851] wlan0: beacon loss from AP 00:1b:2f:58:30:76 - sending
probe request
[ 2433.543195] wlan0: beacon loss from AP 00:1b:2f:58:30:76 - sending
probe request
[ 2439.546535] wlan0: beacon loss from AP 00:1b:2f:58:30:76 - sending
probe request
[ 2451.413267] wlan0: beacon loss from AP 00:1b:2f:58:30:76 - sending
probe request
[ 2461.416589] wlan0: beacon loss from AP 00:1b:2f:58:30:76 - sending
probe request
[ 2467.419835] wlan0: beacon loss from AP 00:1b:2f:58:30:76 - sending
probe request
[...]

Regards,
Davide
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