On 25/08/16 15:46, Colin Reese wrote: > There's a GPIO you can read for undervoltage. 35 IIRC. > >> On Aug 25, 2016, at 7:35 AM, Nigel Titley <ni...@homechip.com> wrote: >> >> >> >>> On 25/08/16 15:27, Jan Kandziora wrote: >>>> Am 25.08.2016 um 16:07 schrieb Nigel Titley: >>>> >>>>> On 25/08/16 13:47, Matthias Urlichs wrote: >>>>>> On 25.08.2016 14:38, Nigel Titley wrote: >>>>>> This is a possibility and it had crossed my mind that this might be the >>>>>> issue but it doesn't explain why a subsequent attempt to start it from >>>>>> the command line fails. >>>>> I had that problem on one of my Raspberry Pi systems. >>>>> >>>>> The issue went away after I changed the power supply. >>>>> >>>> Hmm, that's an interesting approach. I can certainly try it, although >>>> it's an official 2.5A Pi PSU >>>> >>> Check if you have the little colored square in the top right corner of >>> the screen. That's what the GPU inescapably displays when it thinks the >>> voltage isn't high enough or too unstable. Problem may be the cable, not >>> the power supply itself. >>> >> It's running headless. I'll measure the voltage though and I've got >> alternative known-good power supplies. >> I know this is an old thread but I've got a little extra data on it. Previously I had two EDS owservers as my only 1-wire interface and owserver would never start up at system boot time. I could start manually once the system was up by doing the stop - start dance as described earlier. However, last night I added a Link45 to the network and now owserver and owhttpd start perfectly every time.
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