On 5/1/2017 5:49 PM, H wrote: > Any suggestions on where to begin researching this? in addition to Zdenek's suggestions, I'd consider running it with the graphics disabled, on centos 6 set /etc/inittab to start at runlevel 3, then reboot. not sure how you do it on c 7. while its running without graphics, exercise it via ssh connections, running as much stuff as you can. download a linux kernel and compile it with `make clean && make -j 8` over and over, that sort of thing. -- john r pierce, recycling bits in santa cruz