Still seeing "calcru: runtime went backwards" messages

FYI, I just did a fresh cvsup and buildworld yesterday night, and i am 
still getting the clacru messages:

Mar  1 02:41:37 fbsd kernel: calcru: runtime went backwards from 32465 
usec to 32464 usec for pid 490 (sh)
Mar  1 02:41:37 fbsd kernel: u 0:0/0 s 1:32465/32464 i 0:0/0
Mar  1 02:41:37 fbsd kernel: calcru: runtime went backwards from 17198 
usec to 17197 usec for pid 318 (devd)
Mar  1 02:41:37 fbsd kernel: u 0:0/0 s 2:17198/17197 i 0:0/0
Mar  1 02:45:45 fbsd kernel: calcru: runtime went backwards from 3403872 
usec to 3403870 usec for pid 722 (perl5.8.8)
Mar  1 02:45:45 fbsd kernel: u 367:2852102/2852101 s 71:551769/551768 i 
0:1/1
Mar  1 02:45:45 fbsd kernel: calcru: runtime went backwards from 5135265 
usec to 5135263 usec for pid 1 (init)
Mar  1 02:45:45 fbsd kernel: u 298:2383658/2383657 s 344:2751606/2751605 
i 0:1/1