Sorry, couldn't see how to reply on the DNG web site. So... I re-built the
original RPi 2 that was
having issues, with Devuan and minimized what was installed (removed
NetworkManager,
modem-manager, avahid, and a few other things). So far, the device has been
stable for 3,
count 'em!, 3 whole days! Oh, potentially important, I didn't install the
LoRa HAT from Adafruit
nor the associated software. The BrosTrend driver compiles fine on the
32bit Devuan, but fails
on the 64bit. Not relevant for the RPi 2, just saying. Given I'm using an
official Raspberry Pi 5.1V,
2.5A power supply on a lowly RPi 2 with a single USB device, and I've tried
a few of them, I wasn't
too worried about that as the source, and since that overall system is a
giant UPS, I wasn't suspicious
of the AC power dropping either. So, no clue what actually helped, but I'm
most suspicious of
the LoRa HAT and the associated gpio accesses, since stopping that software
on the other RPi 2
that was on the listening end, also became more stable.

Chris

-----Original Message-----
From: Gregory Nowak <greg@???>
Sent: Friday, July 11, 2025 18:59
To: crichmon@???
Cc: dng@???
Subject: Re: [DNG] daedalus on RPi 2 crashing, no log to indicate why

On Fri, Jul 11, 2025 at 07:41:51AM -0600, crichmon@??? wrote:
> I've
> tried two different
> RPi 2 boards and at least a couple of official power supplies, and still
get
> crashes/reboots with
> no indication in /var/log/syslog about what happened. I added a script
that
> runs every minute
> to log the output of free and vcgencmd get_throttled and so far, nothing
has
> popped out.
> The wifi adapter is a current USB unit from BrosTrend. When it works,
it's
> great.
> I can't tell if the hardware or the Realtek driver is the cause of the
issue
> or not. I can unplug it and
> expect the issue will resolve, but the lack of remote access is a pain.

It's possible you need to connect the WiFi adapter to a powered USB
hub. Make sure the hub doesn't back power the USB host, else you'll
fry your RPI. I'm not able to recommend anything currently on the
market.

Greg


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gpg public key: http://www.gregn.net/pubkey.asc

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