dhcpcd-discuss

Hi Boris

On 09/12/2020 18:32, Boris Krasnovskiy wrote:
> Thank you, this patch is working.

Great! I've committed the final cut here:
https://roy.marples.name/cgit/dhcpcd.git/commit/?id=bc50793372909e8cb22ee7a4907aecd671444c71

Please test and ensure it's fine for you.

> Although there is one more problem with 20-resolv.conf hook. I had not noticed 
> it earlier. Log below:
>
> wlan0: carrier lost
> wlan0: executing: /lib/dhcpcd/dhcpcd-run-hooks NOCARRIER
> cat: can't open '/run/resolvconf/lock/pid': No such file or directory
> wlan0: carrier acquired
> wlan0: executing: /lib/dhcpcd/dhcpcd-run-hooks CARRIER
>
> 1. It seems 20-resolv.conf hook is trying to remove DNS info on roaming, this 
> should not happen

Currently it does by design.
I know it's not desirable for you, but all the hooks need some work as noted in 
my commit. It's just not as simple as reversing in in dhcpcd.

> The reason I did not handle ROAMING -> DOWN transition, because wpa_supplicant 
> did not generate one in all our testing. Although yes, it is prudent to handle 
> this scenario as well.

Did you test turing all the AP's off?
Could you share your roaming setup please?

Thanks

Roy