Re: Strange daily reboot - SOLVED

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Given it is the same time each day, I am guessing "feature" rather than bug.

It may also be that the power plug resets/reboots itself once a day
and that the reboot does a quick power blip that is quick enough to
not matter for non-computer devices.

Device makers love to find and implement half-assed "solutions" to
problems.   I would guess they had some sort of memory leak (most
software does) and will stop working after a week or 2, and instead of
finding and fixing the leak chose to reboot it daily so that the leak
is not an issue.   And on a reboot they don't have a way to maintain
power during the reboot and decide a quick blip is ok.



On Thu, Nov 16, 2023 at 4:00 AM Patrick O'Callaghan
<pocallaghan@xxxxxxxxx> wrote:
>
> On Wed, 2023-11-15 at 15:10 -0800, Samuel Sieb wrote:
> > On 11/15/23 15:02, Patrick O'Callaghan wrote:
> > > On Wed, 2023-11-15 at 14:20 -0800, Samuel Sieb wrote:
> > > > On 11/14/23 05:52, Patrick O'Callaghan wrote:
> > > > > My system (both F38 and now F39) reboots itself every morning
> > > > > at
> > > > > 8am,
> > > > > yet nothing in the cron configuration is telling it to do that
> > > > > and
> > > > > I
> > > > > don't see anything obvious in the journal to cause it.
> > > > >
> > > > > How can I figure out what is triggering this? I know the
> > > > > description is
> > > > > vague, but there it is.
> > > >
> > > > As mentioned, that isn't a reboot.  It's a hard power-off.  Have
> > > > you
> > > > tried being at your computer at that time to see what it's doing?
> > >
> > > Once I've tried Barry's suggestion of turning off the programmed
> > > hibernation, that'll be the next thing. It's usually a bad idea to
> > > change more that one variable at a time.
> >
> > I don't see how watching your computer is changing a variable. :-)
>
> Heisenberg?
>
> Seriously though, in the end I did watch it with hibernation disabled,
> and sure enough the "smart" power plug turned itself off and on again
> at 08:00.
>
> I've checked and rechecked the settings on the thing, and it
> positively, definitely, absolutely does *not* have a scheduled power
> cycle at that time. In fact I'd completely disabled it during the
> experiment (but of course left it connected), yet it still decided to
> do this entirely of its own volition.
>
> In other words, it's a bug in the plug.
>
> Given that I actually do want to reboot (i.e. resume) at 08:00, I could
> just hibernate as normal and let it do its thing, but I don't like
> magic solutions. I may decide to replace it if I can get a refund (or
> even if not - it was cheap).
>
> I appreciate everyone's efforts to help with this, even if in the end
> it had nothing to do with Fedora, or hibernation, or my computer.
>
> Thanks guys.
>
> poc
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