reason for "magic" crashes.

[Fernando Apesteguía]

On Sun, Jun 24, 2012 at 7:05 PM, Wojciech Puchar
<wojtek at wojtek.tensor.gdynia.pl> wrote:
> i've got third crash third week in a row.


>From you 5 days ago[1]:

"it is unimportant as FreeBSD don't crash."
Man, I really don't understand a thing...

[1] http://freebsd.1045724.n5.nabble.com/Replacing-rc-8-Was-FreeBSD-Boot-Times-td5718636.html


>
> Every time in sunday after 18:00, every time with rsync process (which means
> rsync based backup that is done every day, not just in sunday!),
>
> you may see a crash (viewed from KVM) at
>
> http://www.tensor.gdynia.pl/~wojtek/crash.png
>
> what is important - syncing disk doesn't go on, system hangs here.
>
> For 99% system is not overheating at sunday, but i will be 100% sure as i
> added ipmitool sensor logged from cron every 5 minutes.
>
> Please give me an idea what to check.
>
>
> There is nothing in cron that is done at sunday.
>
> i don't run "periodic" stuff in /etc/crontab
>
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