[arm-allstar] Pi losing ethernet connection

[Tom Eaton]

Ok, some may have happened to usb ports on outlet strip. I will change
power supply tomorrow.

Thanks

On Sun, Jul 25, 2021, 8:56 PM "Kevin Davis via ARM-allstar" <
arm-allstar at hamvoip.org> wrote:

> Those are elapsed time since reboot time stamps not a voltage reading.
> Using the -e option on dmesg should provide a human readable time of the
> under-voltage condition, but looks like you have a lot.
>
> > On Jul 25, 2021, at 5:47 PM, Tom Eaton via ARM-allstar <
> arm-allstar at hamvoip.org> wrote:
> >
> > No it is not visible, but I can make it if need be.
> >
> > +0.282072] Under-voltage detected! (0x00050005)
> > [  +6.240005] Under-voltage detected! (0x00050005)
> > [  +6.229994] Under-voltage detected! (0x00050005)
> > [  +0.000006] Under-voltage detected! (0x00050005)
> > [  +4.160558] Under-voltage detected! (0x00050005)
> > [  +2.090174] Under-voltage detected! (0x00050005)
> > [  +0.000006] Under-voltage detected! (0x00050005)
> > [  +2.080010] Under-voltage detected! (0x00050005)
> > [ +18.710287] Under-voltage detected! (0x00050005)
> > [  +0.000006] Under-voltage detected! (0x00050005)
> > [  +6.240100] Under-voltage detected! (0x00050005)
> > [Jul25 20:23] Under-voltage detected! (0x00050005)
> > [  +0.000007] Under-voltage detected! (0x00050005)
> > [ +12.480183] Under-voltage detected! (0x00050005)
> > [ +12.480181] Under-voltage detected! (0x00050005)
> > [  +0.000007] Under-voltage detected! (0x00050005)
> > [ +12.479898] Under-voltage detected! (0x00050005)
> > [ +12.480173] Under-voltage detected! (0x00050005)
> > [  +0.000006] Under-voltage detected! (0x00050005)
> > [  +6.239973] Under-voltage detected! (0x00050005)
> > [  +4.159977] Under-voltage detected! (0x00050005)
> >
> > Not sure I understand undervoltage if it says 12.480 under-voltage on
> some
> > lines but I will put new power supply on it, it is on a power strip that
> > has 5 amp usb ports.
> >
> > Thanks
> >
> >> On Sun, Jul 25, 2021, 8:36 PM "Kevin Davis via ARM-allstar" <
> >> arm-allstar at hamvoip.org> wrote:
> >>
> >> Probably apropo of nothing, but I had a similar issue and it turned out
> to
> >> be an under-voltage issue.   As soon as I put a higher amperage power
> >> supply on the Pi, my woes went away.
> >>
> >> Run the following command to see if you've had any under-voltage
> >> conditions.
> >>
> >> dmesg -e | grep 'voltage'
> >>
> >> On Sun, Jul 25, 2021 at 5:22 PM "David McGough via ARM-allstar" <
> >> arm-allstar at hamvoip.org> wrote:
> >>
> >>>
> >>> Hi Tom,
> >>>
> >>> What is causing the RPi to loose network connectivity??  Do you have it
> >>> behind a firewall?  Are you establishing permanent out-bound
> connections
> >>> from this RPi?
> >>>
> >>> 73, David KB4FXC
> >>>
> >>>
> >>>> On Sun, 25 Jul 2021, "Tom Eaton via ARM-allstar" wrote:
> >>>
> >>>> Pi3b losing ethernet connection,  reboot and it will work again for
> >>> couple
> >>>> of minutes or hours, when ethernet is down audio is broken some of the
> >>>> time, even  telemetry voice is broken/chopping.  Does this sound like
> >> SD
> >>>> card or pi hardware.
> >>>>
> >>>> Thanks
> >>>> Tom
> >>>> _______________________________________________
> >>>>
> >>>> ARM-allstar mailing list
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> >>>> http://lists.hamvoip.org/cgi-bin/mailman/listinfo/arm-allstar
> >>>>
> >>>> Visit the BBB and RPi2/3/4 web page - http://hamvoip.org
> >>>>
> >>>
> >>> _______________________________________________
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> >>>
> >> _______________________________________________
> >>
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> >>
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