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 > > > > >

