WiFi hotspot keeps dropping
D'Arcy Cain
darcy at druid.net
Sat Jun 20 10:06:47 UTC 2020
On 2020-06-19 12:13, Adrian Chadd wrote:
> If I can't keep it running can someone suggest a system test I can do to
> decide that hostapd needs to be restarted?
>
> So, you shouldn't need to restart hostapd after a stuck beacon. It
> should recover.
That was my understanding.
> One thing I found was lots of log entries like this:
>
> ath0: stuck beacon; resetting (bmiss count 4)
>
> So there's plenty of reasons for a stuck beacon. I've mostly fixed the
> programming problems and now it's typically really busy air.
>
> From reading up on that it seems that it is just a cosmetic warning.
> Could this be an indication of something that is killing the hotspot?
>
> It's possible but it shouldn't be killing the interface.
>
> What you could try is forcing a full reset every time the NIC needs to
> reset.
>
> sysctl dev.ath.0.hal.force_full_reset=1
I have done this. It still happened. Note that hostapd is still
running when I restart it.
> What I suggest you do is recompile your kernel/modules with the
> following options:
>
> IEEE80211_DEBUG
> ATH_DEBUG
> AH_DEBUG
> ATH_DIAGAPI
>
> Then you'll get access to a lot more debugging tools (ie, the stuff in
> tools/tools/ath/) which we can use to diagnose what's going on.
I like to run a generic kernel and use loadable modules so I don't
compile my own kernel yet. I will try that if I can't fix it any other way.
--
D'Arcy J.M. Cain <darcy at druid.net> | Democracy is three wolves
http://www.druid.net/darcy/ | and a sheep voting on
+1 416 788 2246 (DoD#0082) (eNTP) | what's for dinner.
IM: darcy at VybeNetworks.com, VoIP: sip:darcy at druid.net
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