Re: wlan can't discover known networks after relocating

On 19 Sep 2019, at 12:28, Tom Jones wrote:

Hi,

freebsd-wireless might be a better list for all this ..


> On Tue, Sep 17, 2019 at 04:36:28PM +0000, Poul-Henning Kamp wrote:
>> --------
>> In message <707bcd3f-fa6b-82eb-fa8f-09c4b800f477_at_FreeBSD.org>, 
>> Johannes Lundber
>> g writes:
>>
>>> For a long time now I have had this problem with iwm and wlan0. 
>>> Whenever
>>> I move between work and home it won't reconnect automatically and I 
>>> have
>>> to do wlan0 scan manually for it to pick up the different network.
>>
>> I suffer from the dreaded "reason=0" when I move inside my house:
>>
>> 	> scan
>> 	OK
>> 	<3>CTRL-EVENT-SCAN-RESULTS
>> 	<3>Trying to associate with 6c:3b:6b:3d:a2:e9 (SSID='Palombia' 
>> freq=2452 MHz)
>> 	<3>CTRL-EVENT-DISCONNECTED bssid=6c:3b:6b:3d:a2:e9 reason=0
>> 	<3>CTRL-EVENT-SCAN-RESULTS
>> 	<3>Trying to associate with 6c:3b:6b:ab:ce:d4 (SSID='Palombia' 
>> freq=2412 MHz)
>> 	<3>Associated with 6c:3b:6b:ab:ce:d4
>>
>> a2:e9 is the loudest AP here in my office, but my I have been in the
>> other end of the house iwn consistently fails to associate with it 
>> and
>> and keeps picking the weaker AP in the far end.
>>
>> Eventually (hours!) it disconnects from the weaker ap, also with
>> "reason=0" and gets it right:
>>
>> 	<3>WPA: Group rekeying completed with 6c:3b:6b:ab:ce:d4 [GTK=CCMP]
>> 	<3>CTRL-EVENT-DISCONNECTED bssid=6c:3b:6b:ab:ce:d4 reason=0
>> 	<3>CTRL-EVENT-SCAN-RESULTS
>> 	<3>Trying to associate with 6c:3b:6b:3d:a2:e9 (SSID='Palombia' 
>> freq=2452 MHz)
>> 	<3>Associated with 6c:3b:6b:3d:a2:e9
>> 	<3>WPA: Key negotiation completed with 6c:3b:6b:3d:a2:e9 [PTK=CCMP 
>> GTK=CCMP]
>> 	<3>CTRL-EVENT-CONNECTED - Connection to 6c:3b:6b:3d:a2:e9 completed 
>> [id=3 id_str=]
>> 	<3>WPA: Group rekeying completed with 6c:3b:6b:3d:a2:e9 [GTK=CCMP]
>>
>> And yes, working roaming would be nice too...
>
> I have the problem that when roaming networks become disabled
>
> 	$ wpa_cli
> 	Selected interface 'wlan0'
>
> 	Interactive mode
>
> 	> list_networks
> 	network id / ssid / bssid / flags
> 	0	network1	any	[CURRENT]
> 	1	network2 any	[DISABLED]
> 	2	network3 any	[DISABLED]
> 	3	network4 any	[DISABLED]
> 	4	network5 any	[DISABLED]
> 	Selected interface 'wlan0'
>
>
> I address this by doing network_enable x in wpa_cli and it all comes
> back. I asked Adrian about this in the past, but it needs some 
> debugging
> to pin down.


Is this iwm(4) as well in your case or another card?

/bz