What do you have on the board that is plugged in? Does it use any of the LCD pins?
Gerald On Mon, Nov 23, 2015 at 11:42 AM, Lee Armstrong <[email protected]> wrote: > Thank you Gerald, > > Sorry I meant that we are using the VDD_5V pins to power the unit and not > the SYS_5V. Fat fingers there! > > With that in mind any sort of debugging we can do to tell if it is > software our hardware? > > Lee > > > On Monday, November 23, 2015 at 5:39:29 PM UTC, Gerald wrote: >> >> I would not power the board using the SYS_5V pins. That is the output of >> the PMIC. Not sure what issues that would cause. It also sounds like that >> the boot pins maybe are being affected in some way that prevents the boot >> cycle after a power failure or removal. >> >> >> Gerald >> >> On Mon, Nov 23, 2015 at 11:35 AM, Lee Armstrong <[email protected]> >> wrote: >> >>> Anyone got any ideas, this is happening on a few units and nothing is >>> logged at all. >>> >>> Need to narrow down if it is software or hardware issue, from the Debian >>> side of things it just looks like the power was removed from the unit >>> however the NIC lights are still on and also the PWR light on the BBB. The >>> BBB is powered via the SYS_5V pins. >>> >>> >>> >>> On Friday, November 20, 2015 at 11:48:12 AM UTC, Lee Armstrong wrote: >>>> >>>> Also further to that the USR LEDs are all extinguished but the LED's on >>>> the NIC are ok and the power LED is still lit. >>>> >>>> >>>> >>>> On Friday, November 20, 2015 at 11:36:03 AM UTC, Lee Armstrong wrote: >>>>> >>>>> Hello, >>>>> >>>>> I have a very strange issue that I cannot seem to work out and get >>>>> more info for! >>>>> >>>>> We have a BBB Rev C that is powered via the 5V header pins. It also >>>>> uses UART2 heavily (3MBps) and this is configured using the built in >>>>> BB-UART2 device tree overlay. >>>>> >>>>> The board is running... >>>>> >>>>> BeagleBoard.org Debian Image 2015-10-04 >>>>> >>>>> 4.1.13-ti-r31 >>>>> >>>>> >>>>> What seems to happen is that the board drops off the network and also >>>>> the serial debug cable I have attached becomes unresponsive. Nothing had >>>>> been logged in the console at all on the serial cable and when it boots >>>>> back up there is nothing in any of the previous syslogs at all to give >>>>> even >>>>> the hint of anything happening. >>>>> >>>>> >>>>> What is even more puzzling is that the network LED's continue to flash! >>>>> >>>>> >>>>> To get this back I have to pull power and it then unsurprisingly works >>>>> ok after that. >>>>> >>>>> >>>>> I'm trying to get to the bottom of this but if nothing is logged I >>>>> don't know where to go next! >>>>> >>>>> >>>>> Any ideas at all anyone? >>>>> >>>> -- >>> 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 [email protected]. >>> For more options, visit https://groups.google.com/d/optout. >>> >> >> >> >> -- >> Gerald >> >> [email protected] >> http://beagleboard.org/ >> > -- > 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 [email protected]. > For more options, visit https://groups.google.com/d/optout. > -- Gerald [email protected] http://beagleboard.org/ -- 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 [email protected]. For more options, visit https://groups.google.com/d/optout.
