Too many machines lack entropy to have a usable /dev/random. I
had similar problems on my system until I started using
haveged(8), but we can't require that for CI.
cf. 20180825T213003Z.fail.html.gz
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64540 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Apparently my tty can't keep up when I run test-all with
TESTS='-v --no-retry'
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64247 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This should make portability problems more apparent when we try
using ppoll with rb_wait_for_single_fd on FreeBSD or other
non-Linux platforms.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63423 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
