>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 <yyrk...@gmail.com> 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 <john3...@gmail.com > <mailto:john3...@gmail.com>> 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 <yyrk...@gmail.com >> <mailto:yyrk...@gmail.com>> 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 <ger...@beagleboard.org >> <mailto:ger...@beagleboard.org>> 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 <yyrk...@gmail.com >> <mailto:yyrk...@gmail.com>> 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 <ger...@beagleboard.org >> <mailto:ger...@beagleboard.org>> 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 <yyrk...@gmail.com >> <mailto:yyrk...@gmail.com>> 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 <ger...@beagleboard.org >> <mailto:ger...@beagleboard.org>> 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 <jonr...@nephology.org >> <mailto:jonr...@nephology.org>> 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 beagleboard+unsubscr...@googlegroups.com >> <mailto:beagleboard+unsubscr...@googlegroups.com>. >> For more options, visit https://groups.google.com/d/optout >> <https://groups.google.com/d/optout>. >> >> >> >> -- >> Gerald >> >> ger...@beagleboard.org <mailto:ger...@beagleboard.org> >> 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 beagleboard+unsubscr...@googlegroups.com >> <mailto:beagleboard+unsubscr...@googlegroups.com>. >> 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 beagleboard+unsubscr...@googlegroups.com >> <mailto:beagleboard+unsubscr...@googlegroups.com>. >> For more options, visit https://groups.google.com/d/optout >> <https://groups.google.com/d/optout>. >> >> >> >> -- >> Gerald >> >> ger...@beagleboard.org <mailto:ger...@beagleboard.org> >> 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 beagleboard+unsubscr...@googlegroups.com >> <mailto:beagleboard+unsubscr...@googlegroups.com>. >> 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 beagleboard+unsubscr...@googlegroups.com >> <mailto:beagleboard+unsubscr...@googlegroups.com>. >> For more options, visit https://groups.google.com/d/optout >> <https://groups.google.com/d/optout>. >> >> >> >> -- >> Gerald >> >> ger...@beagleboard.org <mailto:ger...@beagleboard.org> >> 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 beagleboard+unsubscr...@googlegroups.com >> <mailto:beagleboard+unsubscr...@googlegroups.com>. >> 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 beagleboard+unsubscr...@googlegroups.com >> <mailto:beagleboard+unsubscr...@googlegroups.com>. >> 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 beagleboard+unsubscr...@googlegroups.com > <mailto:beagleboard+unsubscr...@googlegroups.com>. > 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 beagleboard+unsubscr...@googlegroups.com > <mailto:beagleboard+unsubscr...@googlegroups.com>. > 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. To unsubscribe from this group and stop receiving emails from it, send an email to beagleboard+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
