Comment 90 for bug 1518457

I'm also seeing this on 16.04 on an AWS nano (~0.5GB RAM). More than happy to help troubleshoot this if people let me know what info is needed.

Here's some basic info from my machine:

$ uname -a
4.4.0-22-generic #39-Ubuntu SMP Thu May 5 16:53:32 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux

$ free -m
              total used free shared buff/cache available
Mem: 486 73 140 20 272 362
Swap: 0 0 0

$ top
top - 01:44:48 up 3 days, 2:34, 1 user, load average: 1.00, 1.01, 1.05
Tasks: 131 total, 2 running, 129 sleeping, 0 stopped, 0 zombie
%Cpu(s): 0.0 us, 90.9 sy, 0.0 ni, 9.0 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st
KiB Mem : 498480 total, 143612 free, 75852 used, 279016 buff/cache
KiB Swap: 0 total, 0 free, 0 used. 370732 avail Mem

  PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
   29 root 20 0 0 0 0 R 99.9 0.0 4066:36 kswapd0
    1 root 20 0 37908 6028 4048 S 0.0 1.2 0:08.79 systemd
    2 root 20 0 0 0 0 S 0.0 0.0 0:00.00 kthreadd
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