Issue #7311 has been updated by mame (Yusuke Endoh). Status changed from Open to Assigned Assignee set to seki (Masatoshi Seki) Target version set to 2.0.0 Seki-san, Urabe-san, Naruse-san, what do you think? -- Yusuke Endoh <mame / tsg.ne.jp> ---------------------------------------- Bug #7311: DRb test suite fails when hostname cannot be reached https://bugs.ruby-lang.org/issues/7311#change-33845 Author: vo.x (Vit Ondruch) Status: Assigned Priority: Normal Assignee: seki (Masatoshi Seki) Category: Target version: 2.0.0 ruby -v: ruby 2.0.0dev (2012-11-07 trunk 37538) [x86_64-linux] =begin I have set following hostname: $ hostname dhcp-25-70 However, it cannot be reached: $ ping `hostname` PING dhcp-25-70 (10.34.25.70) 56(84) bytes of data. From dhcp-25-1 (10.34.25.1) icmp_seq=1 Destination Host Unreachable From dhcp-25-1 (10.34.25.1) icmp_seq=2 Destination Host Unreachable From dhcp-25-1 (10.34.25.1) icmp_seq=3 Destination Host Unreachable From dhcp-25-1 (10.34.25.1) icmp_seq=4 Destination Host Unreachable This causes that the DRb test suite fails: TestDRbAry#test_01 = 3.16 s = E TestDRbAry#test_02_collect = 3.01 s = E TestDRbAry#test_03_redo = 3.01 s = E TestDRbAry#test_05_break = 3.01 s = E TestDRbAry#test_06_next = 3.01 s = E TestDRbAry#test_07_break_18 = 3.01 s = E TestDRbCore#test_00_DRbObject = 0.15 s = . TestDRbCore#test_01 = 2.85 s = E TestDRbCore#test_01_02_loop = 3.00 s = E TestDRbCore#test_02_unknown = 3.01 s = F TestDRbCore#test_03 = 0.16 s = . TestDRbCore#test_04 = 0.16 s = . TestDRbCore#test_05_eq = 0.15 s = . TestDRbCore#test_06_timeout = 0.36 s = . TestDRbCore#test_07_public_private_protected_missing = 0.16 s = . TestDRbCore#test_08_here = 0.16 s = . TestDRbCore#test_09_option = 0.16 s = . TestDRbCore#test_10_yield = 1.70 s = E TestDRbCore#test_10_yield_undumped = 3.17 s = E TestDRbCore#test_11_remote_no_method_error = 0.16 s = . TestDRbLarge#test_01_large_ary = 0.05 s = . TestDRbLarge#test_02_large_ary = 0.06 s = . TestDRbLarge#test_03_large_ary = 2.63 s = E TestDRbLarge#test_04_many_arg = 0.05 s = . TestDRbLarge#test_05_too_large_ary = 0.07 s = . TestDRbMServer#test_01 = 2.88 s = E TestDRbRuby18Yield#test_01_one = 0.00 s = . TestDRbRuby18Yield#test_02_two = 0.00 s = . TestDRbRuby18Yield#test_03_many = 0.00 s = . TestDRbRuby18Yield#test_04_many_to_one = 0.00 s = . TestDRbRuby18Yield#test_05_array_subclass = 0.00 s = . TestDRbRuby18Yield#test_06_taint = 0.00 s = . TestDRbRubyYield#test_01_one = 0.00 s = . TestDRbRubyYield#test_02_two = 0.00 s = . TestDRbRubyYield#test_03_many = 0.00 s = . TestDRbRubyYield#test_04_many_to_one = 0.00 s = . TestDRbRubyYield#test_05_array_subclass = 0.00 s = . TestDRbRubyYield#test_06_taint = 0.00 s = . TestDRbSSLAry#test_01 = 3.09 s = E TestDRbSSLAry#test_02_collect = 3.01 s = E TestDRbSSLAry#test_03_redo = 3.01 s = E TestDRbSSLAry#test_05_break = 3.01 s = E TestDRbSSLAry#test_06_next = 3.01 s = E TestDRbSSLAry#test_07_break_18 = 3.01 s = E TestDRbSSLCore#test_00_DRbObject = 0.20 s = . TestDRbSSLCore#test_01 = 2.82 s = E TestDRbSSLCore#test_01_02_loop = 0.22 s = . TestDRbSSLCore#test_02_unknown = 0.20 s = . TestDRbSSLCore#test_03 = 0.24 s = . TestDRbSSLCore#test_04 = 0.21 s = . TestDRbSSLCore#test_05_eq = 0.23 s = . TestDRbSSLCore#test_06_timeout = 0.44 s = . TestDRbSSLCore#test_07_public_private_protected_missing = 0.29 s = . TestDRbSSLCore#test_08_here = 0.22 s = . TestDRbSSLCore#test_09_option = 0.21 s = . TestDRbSSLCore#test_10_yield = 0.75 s = E TestDRbSSLCore#test_10_yield_undumped = 3.22 s = E TestDRbSSLCore#test_11_remote_no_method_error = 0.24 s = . TestDRbSafe1#test_01 = 0.15 s = . TestDRbSafe1#test_02_collect = 2.60 s = E TestDRbSafe1#test_03_redo = 3.01 s = E TestDRbSafe1#test_05_break = 3.00 s = E TestDRbSafe1#test_06_next = 3.01 s = E TestDRbSafe1#test_07_break_18 = 3.01 s = E TestDRbUNIXAry#test_01 = 0.17 s = . TestDRbUNIXAry#test_02_collect = 2.84 s = E TestDRbUNIXAry#test_03_redo = 3.01 s = E TestDRbUNIXAry#test_05_break = 3.01 s = E TestDRbUNIXAry#test_06_next = 3.01 s = E TestDRbUNIXAry#test_07_break_18 = 3.01 s = E TestDRbUNIXCore#test_00_DRbObject = 0.16 s = . TestDRbUNIXCore#test_01 = 2.84 s = E TestDRbUNIXCore#test_01_02_loop = 0.17 s = . TestDRbUNIXCore#test_02_unknown = 0.16 s = . TestDRbUNIXCore#test_03 = 0.17 s = . TestDRbUNIXCore#test_04 = 0.16 s = . TestDRbUNIXCore#test_05_eq = 0.16 s = . TestDRbUNIXCore#test_06_timeout = 0.37 s = . TestDRbUNIXCore#test_07_public_private_protected_missing = 0.17 s = . TestDRbUNIXCore#test_08_here = 0.17 s = . TestDRbUNIXCore#test_09_option = 0.17 s = . TestDRbUNIXCore#test_10_yield = 1.29 s = E TestDRbUNIXCore#test_10_yield_undumped = 3.17 s = E TestDRbUNIXCore#test_11_remote_no_method_error = 0.17 s = . TestDRbYield#test_01_one = 2.73 s = E TestDRbYield#test_02_two = 3.01 s = E TestDRbYield#test_03_many = 3.01 s = E TestDRbYield#test_04_many_to_one = 3.01 s = E TestDRbYield#test_05_array_subclass = 3.01 s = E TestDRbYield#test_06_taint = 3.01 s = E So there are two possible ways how to fix this issue. (1) Enforce usage of localhost in test suite (0001-Enforce-localhost-for-DRb-tests.patch). Unfortunately it appears it does not solve my issues completely under some (not so clear) circumstances. (2) Detect if hostname is associated with some IP??address of my computer, otherwise fallback to localhost (0001-Fallback-to-localhost-if-hostname-is-not-associated-.patch). This resolves my issue completely. BTW this test error later causes deadlock in TestProcess test suite [1], which is nasty :/ [1] https://github.com/ruby/ruby/blob/trunk/test/ruby/test_process.rb#L12 =end -- http://bugs.ruby-lang.org/