load average gone boink

[Erik Norgaard]

I did an experiment on my 5.3-STABLE, I recompiled the kernel to support 
geom_bde crypto file system. Then followed the handbook

http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/disks-encrypting.html

except that I didn't have a separate partition, so I created a memory 
file system and succesfully attached and mounted that.

So I wanted to see if the "disk" was actually encrypted with less on the 
file. No clue, just ^@.

Ok, then I saw the uptime, and it has never been higher. I thought maybe 
some operation was pending and unmounted and detached the memory disk.

But since then I get this output:

  5:21pm  up  1:27, 1 user, load averages: 6.70, 604.19, 947.57
  5:21pm  up  1:27, 1 user, load averages: 648.43, 515.02, 914.09
  5:22pm  up  1:28, 1 user, load averages: 825.09, 309.29, 460.63
  5:22pm  up  1:29, 1 user, load averages: 368.88, 223.28, 429.38
  5:22pm  up  1:29, 1 user, load averages: 972.71, 138.59, 398.28
  5:22pm  up  1:29, 1 user, load averages: 503.40, 55.14, 367.31

I rebooted, no more playing with encrypted file systems, yet I get:

  5:28pm  up 50 secs, 1 user, load averages: 796.30, 990.13, 1011.98
  5:29pm  up 55 secs, 1 user, load averages: 732.21, 973.63, 1006.03
  5:29pm  up 58 secs, 1 user, load averages: 673.26, 957.40, 1000.11

Usually I have load average of 0.01 or so. Any explanation on this?

Thanks, Erik
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