Tests panicing on amd64

[Andreas Gustafsson <gson%gson.org@localhost>]

I would also like to call your attention to the last four amd64 test
runs on the TNF testbed, which have all ended in a kernel panic, twice
in the "hello32" test and twice in the "lockme_MTX" test.

Console output is at:

  http://releng.NetBSD.org/b5reports/amd64/build/2012.02.01.22.35.30/test.log
  http://releng.NetBSD.org/b5reports/amd64/build/2012.02.02.03.01.42/test.log
  http://releng.NetBSD.org/b5reports/amd64/build/2012.02.02.14.30.48/test.log
  http://releng.NetBSD.org/b5reports/amd64/build/2012.02.03.01.20.45/test.log

-- 
Andreas Gustafsson, gson%gson.org@localhost