Large number of "iwn0: null_update_chw: need callback" messages

[Kevin Oberman]

Ok, thanks to both of you.

Probably the result of using it in different locations in the house.

I just looked at my logs more closely and the started a few days before my
OS update, but a couple of days after we moved and changed APs. I was on
FIOS which uses a special AP/router to Comcast and my own modem and AP.

Sorry for the noise. Some day I'll get a new laptop to replace this near
decade old T520 and the miserable Centrino card using own.

On Fri, May 22, 2020, 14:03 Adrian Chadd <adrian.chadd at gmail.com> wrote:

> hi!
>
> No, it's actually your AP changing width between 20MHz and 40MHz.
>
>
>
> -adrian
>
> On Fri, 22 May 2020 at 13:03, Kevin Oberman <rkoberman at gmail.com> wrote:
> >
> > in the past few days my logs have been filled with "iwn0:
> null_update_chw:
> > need callback" messages. No change to the driver for over a year, so it
> was
> > probably something that changed  in 12-STABLE between Apr. 22 and May 13.
> >
> > I am not seeing any problems, just mildly annoying, bu I am curious, if
> > anyone has any idea.
> > --
> > Kevin Oberman, Part time kid herder and retired Network Engineer
> > E-mail: rkoberman at gmail.com
> > PGP Fingerprint: D03FB98AFA78E3B78C1694B318AB39EF1B055683
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