Sudden Reboots
astesin at ukrtelecom.net
astesin at ukrtelecom.net
Thu Oct 7 04:54:09 PDT 2004
Can this be some kind of misbehaved hardware watchdog (say, built into
motherboard or network card)?
> So, to recap:
>
> Machine reboots at aprox 23hrs 57 minutes of uptime at
> ~12:30pm.. Upgraded to latest 4.10p3 sources. Still reboots
> at 23hrs 57mins, but at different time of day, ~8:15am.
> Unplugged machine totally from AC and restarted. Still
> reboots at 23:57 intervals, but time is now changed again,
> ~2:55pm. Recompiled kernel, removing IPV6. Problem stops. Up
> now for over 2 days for first time in weeks.
>
> Note1: The 23:57 is the usual interval. Sometimes it varied
> by a few minutes.
> Note2: 'healthd' showed normal operation of Power Supply
> with no log entries.
> Note3: The IPV6 idea was gleaned from a Google search of
> earlier postings on same problem.
> Note4: Another posting claimed a cure of this problem by
> changing network card.
>
> Observation: When the machine reboots itself, the time of the
> reboots seems to
> stay very close to 23:57 intervals. When you reboot on
> command, the interval
> stays the same, but the time of day changes, and does not
> coincide with the
> commanded reboot time. I have no conclusion about this.
>
> Thanks to all who made suggestions.
>
> -Jim Durham
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