Devd / devmatch(8) -- netif race 12-RC1

Bjoern A. Zeeb bzeeb-lists at lists.zabbadoz.net
Tue Nov 20 13:26:25 UTC 2018


On 20 Nov 2018, at 8:17, dan_partelly at rdsor.ro wrote:

>>> No, that's not what's happening. wlan0 isn't racing anything, 
>>> because it's no longer listed in ifconfig
>
>
> But when is created lagg0 ? Acording rc output on screen , creation of 
> cloned interface lagg0 takes place before wlan0 is created. Then this  
> means SIOCLAGPORT will fail with Invalid argument.  Also lagg0 is 
> started at netif time as far as I know.
>  Firmware for the wireless card is loaded later, and only even later 
> wlan0 is created. So the way I see it, lagg0 cannot have a wlan0 port 
> until firmware for the card is loaded and wlan0 is created, which 
> takes place way after the system attempts to configure lagg0  ? Am I 
> missing something ?

lagg might be a problem.


While we are on the topic: I also noticed on a fixed 10G card that the 
network startup it went through strangely wasn’t the same as it was 
when the driver was loaded and service netif start was called again.  I 
have not had time to debug that any further.


> Also, can you please tell me what happens that devmatch tries to load  
> uhidd multiple times ?

That’s probably similar to 
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=232782 ?


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