Last top readout on a remote console that froze: top - 21:10:40 up 77 days, 18:48, 7 users, load average: 2.54, 2.09, 1.78 Tasks: 97 total, 3 running, 94 sleeping, 0 stopped, 0 zombie %Cpu(s): 68.9 us, 29.1 sy, 0.0 ni, 0.0 id, 1.0 wa, 0.0 hi, 1.0 si, 0.0 st MiB Mem : 3036.5 total, 112.9 free, 60.4 used, 2863.2 buff/cache MiB Swap: 0.0 total, 0.0 free, 0.0 used. 2943.1 avail Mem PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 14349 ldv 20 0 1876 872 760 R 53.1 0.0 0:39.74 kill_child 14346 ldv 20 0 4056 3044 2640 S 24.8 0.1 0:17.37 strace 21253 root 20 0 5108 3668 3292 R 2.6 0.1 0:00.08 sshd 1635 root 20 0 56552 10936 3860 S 0.7 0.4 37:13.73 fail2ban-server 2737 root 20 0 5344 1300 756 R 0.7 0.0 668:56.42 top 7 root 20 0 0 0 0 S 0.3 0.0 77:08.07 ksoftirqd/0 12479 root 20 0 12016 3444 1360 S 0.3 0.1 146:18.26 snmpd 22026 root 20 0 0 0 0 I 0.3 0.0 0:01.29 kworker/u2:3-led_wq 28618 root 20 0 0 0 0 I 0.3 0.0 0:09.77 kworker/u2:2-led_wq 1 root 20 0 2016 924 824 S 0.0 0.0 3:30.78 init 2 root 20 0 0 0 0 S 0.0 0.0 0:05.20 kthreadd 4 root 0 -20 0 0 0 I 0.0 0.0 0:00.00 kworker/0:0H-kblockd 6 root 0 -20 0 0 0 I 0.0 0.0 0:00.00 mm_percpu_wq 8 root 20 0 0 0 0 S 0.0 0.0 0:00.00 kdevtmpfs I can't access it over SSH at all now, not through openssh and not through dropbear.
Up for 30 days now.