[CP2K-user] [CP2K:21626] Re: DFTB calculations KILLED BY SIGNAL: 9 (Killed)

[Konstantin Tokarev]

Please try `dmesg | grep oom-killer`. If you see cp2k there, this is it. 
Other running process might have also been affected. Alternatively, if you 
investigate "killed 9" crash right after it happened, you can just look at 
the end of `dmesg | less` (press End key, or type "G" (shift and 'g' key) 
to scroll "less" to the end).

Other info you may find there is details of memory consumption before 
process was killed, but this may be  overwhelming to read if you aren't 
used to such things. What is the most important, if there are no other 
memory hungry processes running in the system in parallel with cp2k and you 
still get oom, you'll probably have to reduce your system, basis set, or 
find another way to reduce memory consumption. Adding some swap on NVMe SSD 
might be helpful, but performance should be monitored carefully to ensure 
that it does not cause "thrashing" (constant swapping memory in and out) 
which would cause catastrophic slowdown of calculations.

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