Thanks to Aitor (twice), Steve, Gregory, Simon for your
informative suggestions.

Associating my broadcom bcm43228 adapter with the wifi
router has been hit-and-miss, mostly miss with a rare,
inexplicable success.

I tried the usual suspects - upgrading the system,
removing and reinstalling/reinserting the drivers.

It's not worth beating my head much more over this dodgy
driver. I can manage without wifi for now, at least until I
can find a linux-friend USB wifi dongle.

To respond to Steve, for 10+ years I've never had problems
with wpa_supplicant. Perhaps bugs in the wifi hardware or
FIRMWARE have caused your wpa_supplicant to hang. Anyway
you have a solution.

Again, thanks to all for your generous help.

joel

On Fri, Mar 11, 2022 at 09:21:54PM +0100, aitor wrote:
> Hi Joel,
>
> On 11/3/22 20:40, Joel Roth via Dng wrote:
> > Hi wifi veterans,
> >
> > I recently migrated my chimaera system to new hardware. The
> > wifi adapter is Broadcom BCM43228. Installing the
> > firmware-b43-installer package got this adapter working
> > normally.
> >
> > After doing an apt-get upgrade, I can get a a wifi
> > connection, for example using wpa_gui, however dhclient just
> > times out.
> >
> > Do you have any suggestions for how to troubleshoot this?
>
> Did you clear the ip addreses? I use the command below together with ifupdown:
>
> #|ip addr flush dev wlan0|
>
> Another way might be to force DHCP client release your ip:
>
> # dhclient -r wlan0
>
> # rm|/var/lib/dhcp/dhclient.wlan0.leases (!! Not sure about the name of the
> file storing the leases)|
>
> # dhclient wlan0
>
> This way you reacquire a fresh ip from the DHCP server.||
>
> HTH,
>
> Aitor.
>

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--
Joel Roth