Re: 8265 / 9560 problems + 7260 + AX200

From: Bjoern A. Zeeb <bz_at_freebsd.org>
Date: Fri, 15 Apr 2022 09:55:30 UTC
On Fri, 15 Apr 2022, J.R. Oldroyd wrote:

> I see that iwl_drv_stop() -- which I presume gets called when the interface
> goes down -- it unloads the firmware and then iwl_drv_start() calls
> iwl_request_firmware() to reload it.  Remember we talked about the firmware
> not loading if iwm had already been there?  Both of these discoveries
> suggest that either the firmware unload routine isn't clean or that the
> firmware load needs to do some sort of reset to get things into a known
> state for the load.
>
> I'll spend some time later today looking through that code to see if I can
> help figure out what is going on.

Remember that we do not automatically recover from a firmware crash;
that code is not there so we catch the problems (like the ones you are
seeing) at this stage and get a chance to fix them and not have them
missed.

/bz

-- 
Bjoern A. Zeeb                                                     r15:7