We can speculate all day long, but measuring the 5V current consumption will tell us a lot more about the power mode state than anything else.
Regards, John > On Dec 2, 2015, at 3:19 PM, William Hermans <[email protected]> wrote: > > If the software is locked up, the USR LEDs would not cycle as if the system > is attempting to restart. > > On Wed, Dec 2, 2015 at 4:08 PM, John Syne <[email protected] > <mailto:[email protected]>> wrote: > From what Gerald said previously in this thread: > > "The reset is an input pin read by the processor, not actually a HW power > reset. If the SW is locked up, this could happen.” > > Regards, > John > > > > >> On Dec 2, 2015, at 2:55 PM, William Hermans <[email protected] >> <mailto:[email protected]>> wrote: >> >> If the board was in sleep, then why wont the reset button reset ? Passed >> that, why would the USR cycle( flash on then off ) then nothing ? >> >> On Wed, Dec 2, 2015 at 3:47 PM, John Syne <[email protected] >> <mailto:[email protected]>> wrote: >> Sounds to me that like BBB has gone into sleep mode and there is no trigger >> to wake it up. Is there a way to measure the current consumption? >> >> Regards, >> John >> >> >> >> >>> On Dec 2, 2015, at 2:40 PM, William Hermans <[email protected] >>> <mailto:[email protected]>> wrote: >>> >>> One more thing of note. I do not run systemd - Ever. I run SYSV as an init >>> daemon. I only mention this as I think Robert said something about systemd >>> lessening this issue. >>> >>> On Wed, Dec 2, 2015 at 3:36 PM, Gerald Coley <[email protected] >>> <mailto:[email protected]>> wrote: >>> Hmm, not sure what is going on. Sounds like the processor has stopped >>> running the code and halted but it forgot to turn off the lights. >>> >>> Gerald >>> >>> On Wed, Dec 2, 2015 at 4:26 PM, William Hermans <[email protected] >>> <mailto:[email protected]>> wrote: >>> Gerald, it's like the board hangs at power down, but I can not be 100% >>> sure. The reason why I "assume" it's at power down, is that the heartbeat >>> blink stops, but the rest of the LEDs stay on, and the ethernet port light >>> still blinks. >>> >>> The board I experienced this on last night is an Element14 RevC, but I do >>> also have a circuitco A5A that exhibits the same thing. >>> >>> On Wed, Dec 2, 2015 at 3:22 PM, Gerald Coley <[email protected] >>> <mailto:[email protected]>> wrote: >>> Is this on power up or is this state happening some time later? If it is on >>> power up, then the power supply most likely is the issue based on the ramp >>> requirements of the PMIC. >>> >>> If the power LED is on, then the PMIC is on and ramped up. That is why I >>> asked for the voltages. >>> >>> It also could be a boot pin read issue where it misreads the boot pins. If >>> that is the case you should see that from the serial port. >>> >>> Gerald >>> >>> >>> On Wed, Dec 2, 2015 at 4:15 PM, William Hermans <[email protected] >>> <mailto:[email protected]>> wrote: >>> For what it's worth Gerald, this happens with nothing connected to the >>> board as well. This just happened to me last night after issuing a reboot >>> command from the command line. >>> >>> I remember at some point you all were talking about something about the >>> "ramp time" of the PMIC or something. >>> >>> On Wed, Dec 2, 2015 at 3:11 PM, Gerald Coley <[email protected] >>> <mailto:[email protected]>> wrote: >>> I would start with your cape design and try and rule that out first. >>> >>> The reset is an input pin read by the processor, not actually a HW power >>> reset. If the SW is locked up, this could happen. >>> >>> If you hold the power button for a 8 seconds or more the board should power >>> cycle. >>> >>> When it is in this state, what do the voltages read? >>> >>> Gerald >>> >>> >>> On Wed, Dec 2, 2015 at 3:54 PM, Jonathan Ross <[email protected] >>> <mailto:[email protected]>> wrote: >>> Once in a blue moon one of my beaglebones will get into a state where it >>> has power (the power LED is lit), but it is not booted. Normally this would >>> be fine, just hit the power button to reset. But in this weird state the >>> power button does nothing. The reset button does nothing. >>> I checked the power and reset button pins on the header, the power was low, >>> the reset was high. >>> The only way to get the board out of this state was to pull the 5V power. >>> I'm using a KL16 on a cape to do a watchdog on the BB, and reboot it via >>> power and/or reset buttons on the header if the BB stops sending checkins >>> over uart. This has been working great, except for the rare case where the >>> board ends up in this state where the power and reset buttons are not >>> functioning. >>> Any ideas how the BB could get into this state, and if there's any other >>> way to force a reboot other than physically pulling the 5v power? >>> Thanks, >>> JR >>> >>> -- >>> For more options, visit http://beagleboard.org/discuss >>> <http://beagleboard.org/discuss> >>> --- >>> You received this message because you are subscribed to the Google Groups >>> "BeagleBoard" group. >>> To unsubscribe from this group and stop receiving emails from it, send an >>> email to [email protected] >>> <mailto:[email protected]>. >>> For more options, visit https://groups.google.com/d/optout >>> <https://groups.google.com/d/optout>. >>> >>> >>> >>> -- >>> Gerald >>> >>> [email protected] <mailto:[email protected]> >>> http://beagleboard.org/ <http://beagleboard.org/> >>> >>> -- >>> For more options, visit http://beagleboard.org/discuss >>> <http://beagleboard.org/discuss> >>> --- >>> You received this message because you are subscribed to the Google Groups >>> "BeagleBoard" group. >>> To unsubscribe from this group and stop receiving emails from it, send an >>> email to [email protected] >>> <mailto:[email protected]>. >>> For more options, visit https://groups.google.com/d/optout >>> <https://groups.google.com/d/optout>. >>> >>> >>> -- >>> For more options, visit http://beagleboard.org/discuss >>> <http://beagleboard.org/discuss> >>> --- >>> You received this message because you are subscribed to the Google Groups >>> "BeagleBoard" group. >>> To unsubscribe from this group and stop receiving emails from it, send an >>> email to [email protected] >>> <mailto:[email protected]>. >>> For more options, visit https://groups.google.com/d/optout >>> <https://groups.google.com/d/optout>. >>> >>> >>> >>> -- >>> Gerald >>> >>> [email protected] <mailto:[email protected]> >>> http://beagleboard.org/ <http://beagleboard.org/> >>> >>> -- >>> For more options, visit http://beagleboard.org/discuss >>> <http://beagleboard.org/discuss> >>> --- >>> You received this message because you are subscribed to the Google Groups >>> "BeagleBoard" group. >>> To unsubscribe from this group and stop receiving emails from it, send an >>> email to [email protected] >>> <mailto:[email protected]>. >>> For more options, visit https://groups.google.com/d/optout >>> <https://groups.google.com/d/optout>. >>> >>> >>> -- >>> For more options, visit http://beagleboard.org/discuss >>> <http://beagleboard.org/discuss> >>> --- >>> You received this message because you are subscribed to the Google Groups >>> "BeagleBoard" group. >>> To unsubscribe from this group and stop receiving emails from it, send an >>> email to [email protected] >>> <mailto:[email protected]>. >>> For more options, visit https://groups.google.com/d/optout >>> <https://groups.google.com/d/optout>. >>> >>> >>> >>> -- >>> Gerald >>> >>> [email protected] <mailto:[email protected]> >>> http://beagleboard.org/ <http://beagleboard.org/> >>> >>> -- >>> For more options, visit http://beagleboard.org/discuss >>> <http://beagleboard.org/discuss> >>> --- >>> You received this message because you are subscribed to the Google Groups >>> "BeagleBoard" group. >>> To unsubscribe from this group and stop receiving emails from it, send an >>> email to [email protected] >>> <mailto:[email protected]>. >>> For more options, visit https://groups.google.com/d/optout >>> <https://groups.google.com/d/optout>. >>> >>> >>> -- >>> For more options, visit http://beagleboard.org/discuss >>> <http://beagleboard.org/discuss> >>> --- >>> You received this message because you are subscribed to the Google Groups >>> "BeagleBoard" group. >>> To unsubscribe from this group and stop receiving emails from it, send an >>> email to [email protected] >>> <mailto:[email protected]>. >>> For more options, visit https://groups.google.com/d/optout >>> <https://groups.google.com/d/optout>. >> >> >> -- >> For more options, visit http://beagleboard.org/discuss >> <http://beagleboard.org/discuss> >> --- >> You received this message because you are subscribed to the Google Groups >> "BeagleBoard" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected] >> <mailto:[email protected]>. >> For more options, visit https://groups.google.com/d/optout >> <https://groups.google.com/d/optout>. >> >> >> -- >> For more options, visit http://beagleboard.org/discuss >> <http://beagleboard.org/discuss> >> --- >> You received this message because you are subscribed to the Google Groups >> "BeagleBoard" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected] >> <mailto:[email protected]>. >> For more options, visit https://groups.google.com/d/optout >> <https://groups.google.com/d/optout>. > > > -- > For more options, visit http://beagleboard.org/discuss > <http://beagleboard.org/discuss> > --- > You received this message because you are subscribed to the Google Groups > "BeagleBoard" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected] > <mailto:[email protected]>. > For more options, visit https://groups.google.com/d/optout > <https://groups.google.com/d/optout>. > > > -- > For more options, visit http://beagleboard.org/discuss > <http://beagleboard.org/discuss> > --- > You received this message because you are subscribed to the Google Groups > "BeagleBoard" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected] > <mailto:[email protected]>. > For more options, visit https://groups.google.com/d/optout > <https://groups.google.com/d/optout>. -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. 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