[Bug 246998] iwm: Wireless device not working after resume

[Andriy Gapon]

On 09/06/2020 21:12, Alexandr Krivulya wrote:
> 09.06.20 09:52, bugzilla-noreply at freebsd.org пишет:
>> https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=246998
>>
>> --- Comment #10 from Andriy Gapon <avg at FreeBSD.org> ---
>> (In reply to Alexandr Krivulya from comment #9)
>> Could you try to debug it further?
>> E.g., you can add printf-s to see why the code decides that "radio is disabled
>> by hardware switch" and so on.
>>
>> Nobody else can reproduce this problem, so unless you debug your issue, there's
>> a little chance that it would be fixed.
> 
> To debug it I need some directions from you. Sorry for my dumb questions.
> I put printf into iwm_run_init_mvm_ucode():
>  - when os started sc->sc_flags=0
>  - after suspend-resume sc->sc_flags=8, so IWM_FLAG_RFKILL is taking place.

So, you can search for places where that bit gets set in sc_flags and add
printf-s there to see how / why it gets set.Maybe that will give more ideas
where to look further.

-- 
Andriy Gapon