ath cannot find my wireless network any more

[Paul B. Mahol]

On 1/29/09, Lars Engels <lme at freebsd.org> wrote:
> On Thu, Jan 29, 2009 at 12:16:44PM -0800, Sam Leffler wrote:
>> Lars Engels wrote:
>> >On Thu, Jan 29, 2009 at 11:28:30AM -0800, Andrew Thompson wrote:
>> >
>> >>On Thu, Jan 29, 2009 at 08:22:41PM +0100, Lars Engels wrote:
>> >>
>> >>>Hi all,
>> >>>hi Sam,
>> >>>
>> >>>I just build world && kernel from todays sources.
>> >>>Now my Atheros 5212 pccard cannot find my wireless network any more,
>> >>> but
>> >>>still sees other networks:
>> >>>
>> >>>lars at pts/3 # ifconfig wlan0 up scan
>> >>>SSID            BSSID              CHAN RATE   S:N     INT CAPS
>> >>>Arcor-C6DE58    00:1a:2a:c6:de:56    9   54M -95:-96  100 EPS  RSN WPA
>> >>> WME
>> >>>WLAN-AFCB47     00:1d:19:af:cb:e0    1   54M -96:-96  100 EPS  WPS RSN
>> >>> WPA WME
>> >>>0x0000          00:03:c9:54:18:bb    8   54M -94:-96  100 EP   WPA
>> >>>
>> >>>In contrast to this, the internal wpi chip still finds and connects to
>> >>> the network:
>> >>>lars at pts/3 # ifconfig wlan1 scan
>> >>>SSID            BSSID              CHAN RATE   S:N     INT CAPS
>> >>>dd-wrt          00:18:39:c7:6a:dd    6   54M  22:0    100 EP   RSN WME
>> >>>
>> >>>I also don't know why wpi only finds my own network.

If such behavior was from start(not regression) it can means only wpi
problem/feature.

>> >>>
>> >> If you go 'ifconfig wlan0 list chan' does it show #6 as available?
>> >>
>> >
>> >
>> >Yes, it's there:
>> >lars at pts/3 # ifconfig wlan0 list chan
>> >Channel   1 : 2412  Mhz 11g          Channel  48 : 5240  Mhz 11a Turbo
>> >Channel   2 : 2417  Mhz 11g          Channel  50 : 5250  Mhz 11a Turbo
>> >Channel   3 : 2422  Mhz 11g          Channel  52 : 5260  Mhz 11a
>> >Channel   4 : 2427  Mhz 11g          Channel  56 : 5280  Mhz 11a Turbo
>> >Channel   5 : 2432  Mhz 11g          Channel  58 : 5290  Mhz 11a Turbo
>> >Channel   6 : 2437  Mhz 11g Turbo    Channel  60 : 5300  Mhz 11a
>> >Channel   7 : 2442  Mhz 11g          Channel  64 : 5320  Mhz 11a
>> >Channel   8 : 2447  Mhz 11g          Channel 149 : 5745  Mhz 11a
>> >Channel   9 : 2452  Mhz 11g          Channel 152 : 5760  Mhz 11a Turbo
>> >Channel  10 : 2457  Mhz 11g          Channel 153 : 5765  Mhz 11a Turbo
>> >Channel  11 : 2462  Mhz 11g          Channel 157 : 5785  Mhz 11a
>> >Channel  36 : 5180  Mhz 11a          Channel 160 : 5800  Mhz 11a Turbo
>> >Channel  40 : 5200  Mhz 11a Turbo    Channel 161 : 5805  Mhz 11a Turbo
>> >Channel  42 : 5210  Mhz 11a Turbo    Channel 165 : 5825  Mhz 11a
>> >Channel  44 : 5220  Mhz 11a
>> >
>> >
>>
>> Not sure about the wpi complaint.  For ath I need mac+phy revs and any
>> regulatory setting (output sysctl dev.ath.0 will show it).  You might
>> also enable scan debug to see if the ap shows up but isn't recorded
>> for some reason; e.g. wlandebug -i ath0 scan.
>
> Here is the output for sysctl:
>
> ars at pts/3 # sysctl dev.ath.0
> dev.ath.0.%desc: Atheros 5212
> dev.ath.0.%driver: ath
> dev.ath.0.%location: slot=0 function=0
> dev.ath.0.%pnpinfo: vendor=0x168c device=0x0013 subvendor=0x1385
> subdevice=0x4610 class=0x020000
> dev.ath.0.%parent: cardbus0
> dev.ath.0.smoothing_rate: 95
> dev.ath.0.sample_rate: 10
> dev.ath.0.sample_stats: 0
> dev.ath.0.countrycode: 0
> dev.ath.0.regdomain: 0
> dev.ath.0.slottime: 9
> dev.ath.0.acktimeout: 48
> dev.ath.0.ctstimeout: 48
> dev.ath.0.softled: 0
> dev.ath.0.ledpin: 0
> dev.ath.0.ledon: 0
> dev.ath.0.ledidle: 2700
> dev.ath.0.txantenna: 0
> dev.ath.0.rxantenna: 2
> dev.ath.0.diversity: 1
> dev.ath.0.txintrperiod: 5
> dev.ath.0.diag: 0
> dev.ath.0.tpscale: 0
> dev.ath.0.tpc: 0
> dev.ath.0.tpack: 63
> dev.ath.0.tpcts: 63
> dev.ath.0.fftxqmin: 2
> dev.ath.0.fftxqmax: 50
> dev.ath.0.intmit: 1
> dev.ath.0.monpass: 24
>
>
> lars at pts/3 # wlandebug -i ath0 scan
> wlandebug: expecting a wlan interface name
>
> So I ran
> # wlandebug -i wlan0 scan
> net.wlan.0.debug: 0x0 => 0x200000<scan>
>
> But nothing new then:

Interesting output is not available from ifconfig it is printed by
kernel on console.

> lars at pts/3 # ifconfig wlan0 up scan
> SSID            BSSID              CHAN RATE   S:N     INT CAPS
> WLAN-AFCB47     00:1d:19:af:cb:e0    1   54M -93:-96  100 EPS  RSN WPA WME
> WPS
> neumann         00:1b:2f:db:4f:dc   11   54M -95:-96  100 EPS
> 0x0000          00:03:c9:54:18:bb    8   54M -94:-96  100 EP   WPA
> Arcor-C6DE58    00:1a:2a:c6:de:56    9   54M -93:-96  100 EPS  RSN WPA WME
>
>
>> I committed major hal changes as a single commit so you can easily
>> back it out to see if it's the reason.  The other recent changes to
>> net80211 should not matter if you rebuilt world to match the kernel
>> (the size of the channel structure changed so kernel+apps need to
>> match).
>
> I re-built world, so the net80211 commit should not be the issue.
> The ath device worked with sources from last week, so if there was no
> other wireless related commit, I guess the new hal changes caused the
> problem. I can back out the hal commit if you don't see anything obvious
> in my configuration.
>
> Lars
>


-- 
Paul