[regression] The USB WiFi card stopped working: if_run doesn't create the 'run0' interface any more

[Yuri Pankov]

Yuri Pankov wrote:
> Yuri wrote:
>> On 07/03/18 12:45, Yuri wrote:
>>> I updated the laptop to r335884 last night, and 'service
>>> wpa_supplicant start wlan0' doesn't succeed any more.
>>>
>>> kernel is supposed to create the network interface 'run0', but it
>>> doesn't. This is the immediate reason why wpa_supplicant fails.
>>>
>>> The non-creation of 'run0' is a regression. I don't know of any
>>> workaround.
>>>
>>>
>>> The steps 'mergemaster -p' and 'mergemaster' were done during the
>>> upgrade, so /etc is updated.
>>
>>
>> Bug report for this problem:
>> https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=229738
>>
>> This is a very serious regression breaking WiFi.
> 
> It's likely the switch from using usb.conf to devmatch.conf (see r329148).
> 
> I can confirm the problem, inserting the ralink usb wifi dongle doesn't
> do anything (I'm not using it anymore so I didn't notice the problem),
> though the action in devmatch.conf is executed, so it might be the
> problem somewhere below in devmatch(8).

And looks like it's fixed in r335763 (for me, at least).