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Re: How to wake up the WiFi on a Zero 2W (it was working but has stopped)

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On 18/03/2026 15:45, Chris Green wrote:
> Chris Green <cl@isbd.net> wrote:
>> The Natural Philosopher <tnp@invalid.invalid> wrote:
>>> On 18/03/2026 12:55, Chris Green wrote:
>>>> I have a new[ish] Pi Zero 2W running in a building close to our house
>>>> (close means about 30 yards away).  When I installed it I configured
>>>> one of the possible WiFi SSIDs with rpi-imager, then after installing
>>>> I added the other possible SSID (using nmcli I think).
>>>>
>>>> It has run quite happily for a few days but as of yesterday afternoon
>>>> shows no sign of being connected.
>>>>
> I think I have discovered the problem, the SD card is faulty/wearing
> out.  I just tried to boot the system with a display attached and it
> sits repeating an error message about "bcm2835 timeout waiting for
> hardware interrupt".
> 
> Putting the card in a reader in my desktop machine it gets read
> **very** slowly and times out before the automount completes.
> 
> I think a (some?) new SD card is on the agenda! :-)
> 

Somewhere in my documentation is what I did to my pi zero in order to 
avoid any SD card writes at all

Basically I created a ram disk and mounted it on /var/log. And disabled 
systemd as much as possible.

Then ensure the SD card is mounted with noatime etc.


-- 
It is the folly of too many to mistake the echo of a London coffee-house 
for the voice of the kingdom.

Jonathan Swift

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How to wake up the WiFi on a Zero 2W (it was working but has stopped) Chris Green <cl@isbd.net> - 2026-03-18 12:55 +0000
  Re: How to wake up the WiFi on a Zero 2W (it was working but has stopped) The Natural Philosopher <tnp@invalid.invalid> - 2026-03-18 13:12 +0000
    Re: How to wake up the WiFi on a Zero 2W (it was working but has stopped) Chris Green <cl@isbd.net> - 2026-03-18 13:56 +0000
      Re: How to wake up the WiFi on a Zero 2W (it was working but has stopped) Chris Green <cl@isbd.net> - 2026-03-18 15:45 +0000
        Re: How to wake up the WiFi on a Zero 2W (it was working but has stopped) The Natural Philosopher <tnp@invalid.invalid> - 2026-03-18 16:22 +0000
          Re: How to wake up the WiFi on a Zero 2W (it was working but has stopped) Ian <${send-direct-email-to-news1021-at-jusme-dot-com-if-you-must}@jusme.com> - 2026-03-18 17:48 +0000
            Re: How to wake up the WiFi on a Zero 2W (it was working but has stopped) Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-03-19 00:31 +0000
              Re: How to wake up the WiFi on a Zero 2W (it was working but has stopped) Ian <${send-direct-email-to-news1021-at-jusme-dot-com-if-you-must}@jusme.com> - 2026-03-19 09:00 +0000
      Re: How to wake up the WiFi on a Zero 2W (it was working but has stopped) The Natural Philosopher <tnp@invalid.invalid> - 2026-03-18 15:50 +0000

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