[sudo-access] front door computer randomly turns itself off

Jake jake at spaz.org
Wed May 3 23:28:12 PDT 2017


ok but to be clear, the problem i described is separate from issues of power
loss or network disconnection, and needs to be fixed.

-jake

On Wed, 3 May 2017, Marc Juul wrote:

> the power plug had been pulled out of the wall today. jenny and lesley
> fixed it.
>
> On Wed, May 3, 2017 at 10:38 PM, Jake <jake at spaz.org> wrote:
>
>> this has happened in the past and a couple of times this week, i think,
>> that
>> the computer that handles the front door magnetic stripe reader shuts
>> itself
>> off for some reason.
>>
>> it's a beaglebone black and there is no reason it should shut off.  there
>> are
>> no logs as to why because we generally run it in read-only mode on the main
>> disk, and logs are kept on a RAM disk.
>>
>> here's someone else talking about the same issue:
>> http://falconchristmas.com/forum/index.php?topic=5547.0
>>
>> when it's off, it has power but there are no lights on.  pressing the power
>> button turns it on.  wtf?
>>
>> i could make a watchdog circuit that power-cycles it if this happens, but i
>> don't think that's really the right solution.  does someone want to take
>> this
>> on and figure out wtf is going on?
>>
>> probably using a USB stick for system logs would be a good start, and maybe
>> some increased level of logging.
>>
>> -jake
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>


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