From: Eric Wong Date: 2018-07-06T09:47:14+00:00 Subject: [ruby-core:87838] Re: [Ruby trunk Bug#14898] test/lib/test/unit/parallel.rb: TestSocket#test_timestamp stuck sometimes ko1@atdot.net wrote: > With parallel tests (`make test-all TESTS=-j4` with 4 parallelism) stuck sometimes. > > http://ci.rvm.jp/results/trunk-test@ruby-sky3/1087178 > > We can see this stuck very old revisions but not sure how to solve... I've never seen it stuck myself. Is UDP over loopback supposed to be reliable? I would not expect it to be (but am not sure), I think it's possible the kernel could drop packets if under memory pressure. Unsubscribe: