>>>>> "Roger" == Roger Heflin <rogerheflin@xxxxxxxxx> writes: Roger> If the power supply cannot handle it the node will flat out crash. Maybe... it might just have the voltage drop enough to cause the system to hang, instead of quite crashing. It's hard to debug though... Roger> There is no mechanism for the cpu/memory/mb to deal with a Roger> power supply unable to supply enough. Roger> The load going up will likely be something else, I have never Roger> seen hw show as that. Roger> On Thu, Dec 16, 2021 at 3:43 PM John Stoffel <john@xxxxxxxxxxx> wrote: >> >> >> Another thing that struck me is maybe it's time to boot into a small >> stress testing image and see if it's more of a hardware issue. It >> might also be a power supply issue, where as the load goes up, your >> power supply can't keep the voltage up and the system fails that way? >> >> There's the 'stress-ng' package for beating on systems. And I think >> I've used 'sysrecue' in the past to boot up systems and run stress >> tests. >> >> Getting the regular OS out of the way with something lower level and >> simpler to stress test the hardware is a good idea. >> >> https://www.stresslinux.org/sl/ >> >> Might be another good option. >> >> Good luck! >> John