Didn't happen again, yet. Currently running 4.12.14-lp151.28.52-default: MiB Mem : 3935.504 total, 425.238 free, 2474.871 used, 1035.395 buff/cache MiB Swap: 8191.996 total, 8057.703 free, 134.293 used. 1111.168 avail Mem But it's possible the memory pressure wasn't that hard since last occurrence. Maybe I should run Eclipse ;-)