From:  <[email protected]>
Reply-To:  <[email protected]>
Date:  Thursday, March 13, 2014 at 7:57 AM
To:  <[email protected]>
Subject:  [beagleboard] Why beaglebone black restarts after a shutdown ??

> Hi,
> 
> I have noticed that the beaglebone black starts up after a shutdown.
> 
> I have a C++ program running in the bbb, the bbb is backed by an external +5V
> battery pack. When the C++ program issues the following command to start the
> shutdown procedure of the bbb.
> 
>>> system("shutdown -h now");
>>> exit(0);
Try ³halt² instead.

Regards,
John
> 
> This does shutdown the bbb completely sometimes, most times the bbb starts up
> again, the power led turns off but then after a second or two lights up again
> and then bbb starts up all over again (the output voltage from the power bank
> does not switch OFF, it remains ON for some time).
> 
> In my previous bbb systems I have not faced this problem.
> 
> It is my belief that the output voltage from the power bank has a sudden dip,
> this causes the bbb to detect a new power cycle.
> 
> I am not sure though if I am correct...
> 
> Could anyone enlighten me on this problem ???
> 
> I am sorry if the above problem sounds vague...
> 
> thanks
> a
> 
> 
> -- 
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