[arm-allstar] messages every 30s.

[Rick Wilson]

I got AC hum on 3 different wall warts.  I finally switched to a voltage adapter with a mini-usb cable on the same power supply as the radio.  Our 3 repeater system has these on all of them.

Rick, wd5etd




> On May 16, 2018, at 9:03 PM, Jim Darrough via arm-allstar <arm-allstar at hamvoip.org> wrote:
> 
> My Pi did the same thing until I replaced the power supply.
> 
> 73 KI7AY
> 
> 
> On 05/16/2018 06:13 PM, "Joe Puma via arm-allstar" wrote:
>> I see this too not every 30 seconds though.  I’ve seen with a 5v 15amp psu also. This under-voltage can be seen in the Raspian releases as a lighting bolt in the upper right corner.
>> 
>> Joe
>> KD2NFC
>> 
>> Sent from my iPhone
>> 
>>> On May 16, 2018, at 4:52 PM, Doug Crompton via arm-allstar <arm-allstar at hamvoip.org> wrote:
>>> 
>>> Lito,
>>> 
>>> This is possibly a real message indicating power supply issues. Have you
>>> tried another supply?
>>> 
>>> See -
>>> 
>>> https://www.raspberrypi.org/forums/viewtopic.php?t=210914
>>> 
>>> https://github.com/raspberrypi/linux/issues/2512
>>> 
>>> Power supply issues are a real problem with Pi's and responsible for many
>>> of the issues we see where flakiness occurs.
>>> 
>>> 
>>> *73 Doug*
>>> 
>>> *WA3DSP*
>>> 
>>> *http://www.crompton.com/hamradio <http://www.crompton.com/hamradio>*
>>> 
>>> 
>>> On Wed, May 16, 2018 at 4:39 PM, "Roselito de los Reyes via arm-allstar" <
>>> arm-allstar at hamvoip.org> wrote:
>>> 
>>>> Hello David,
>>>> 
>>>> I just downloaded the newest release but I am spammed with a voltage
>>>> normalised (0x00000000) and under-voltage detected! (0x00050005) messages
>>>> every 30s.
>>>> 
>>>> I tried adding avoid_warnings=1 in /boot/config.txt but to no avail.
>>>> 
>>>> 73,
>>>> 
>>>> Lito de WI6Y
>>>> _______________________________________________
>>>> 
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>>>> 
>>>> Visit the BBB and RPi2/3 web page - http://hamvoip.org
>>>> 
>>> _______________________________________________
>>> 
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>>> 
>>> Visit the BBB and RPi2/3 web page - http://hamvoip.org
>> _______________________________________________
>> 
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>> 
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> 
> -- 
> 73 Jim
> La ciruela de Panamá
> 
> _______________________________________________
> 
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> 
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