panic: Assertion in_epoch(net_epoch_preempt) failed at ... src/sys/net/if.c:3694

[Hans Petter Selasky]

On 2020-01-24 09:59, Hans Petter Selasky wrote:
> On 2020-01-24 09:41, Masachika ISHIZUKA wrote:
>>>> 21.01.2020, 20:10, "Nick Hibma" <nick at van-laarhoven.org>:
>>>>> That (with the return added, thanks Cy) worked like a charm.
>>>> Got committed in r357038.
>>>> Thank you for the report!
>>>
>>>    Hi.
>>>
>>>    My machine was panicked on r357061 with in_epoch in netisr.c.
>>>    I can not capture screen.
>>
>>    Screenshot was uploaded to 
>> https://www.ish.org/files/panic-r357061.jpeg
>>
> 
> Looks like the WLAN subsystem needs some patches for EPOCH().
> 
> Gleb, did you do a "grep -r" for relevant functions before committing 
> the recent EPOCH changes?

Can you try these two patches:
https://reviews.freebsd.org/D23347
https://reviews.freebsd.org/D23348


--HPS