hi andrew,

roach1 ethernet ports do not work reliably at 1Gbit/sec.
do you have an old 100 Mbit switch you can use?

i have no idea why this would cause a board to shut down though.

best wishes,

dan


On Sun, Mar 15, 2015 at 4:42 PM, Andrew Jameson <[email protected]>
wrote:

> Hi all,
>
> We have a group of 13 ROACH1 boards that have been running stably for
> 3 years. Recently the 1GbE and 10GbE switches that connect them to some
> servers was changed over (replaced with identical models and configs).
>
> One of the ROACH boards now exhibits some rather intermittent (every few
> hours)
> behaviour whereby it initiates a user shutdown whilst running for no
> discernible
> reason. The roach_monitor.py script (and roachnest) indicates the shutdown
> reason is
>
>         3 (User Shutdown)
>
> And when I happened to be logged into the ROACH via ssh during one of
> these events, the messages
>
>     Broadcast message from root@roach (Sun Mar 15 07:38:31 2015):
>    The system is going down for system halt NOW!
>
> were broadcast to the terminal. Upon restarting the board, all the temps
> and
> voltages are within limits. I'm at a loss about the cause and what might be
> the next steps in debugging this board.
>
> Any advice from the casper world?
>
> Thanks,
> Andrew
>
> --
> Andrew Jameson
> Systems & Software Engineer
> Centre for Astrophysics & Supercomputing
> Swinburne University of Technology
>
>
>
>
>

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