[GHC] #16224: CPUTime001 is fragile

#16224: CPUTime001 is fragile -------------------------------------+------------------------------------- Reporter: bgamari | Owner: (none) Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 8.6.3 Keywords: | Operating System: Unknown/Multiple Architecture: | Type of failure: None/Unknown Unknown/Multiple | Test Case: | Blocked By: Blocking: | Related Tickets: Differential Rev(s): | Wiki Page: -------------------------------------+------------------------------------- I have seen CPUTime001 fail spuriously on several occasions. In [[https://gitlab.haskell.org/ghc/ghc/-/jobs/15989|one such occasion]]: {{{#!diff --- libraries/base/tests/CPUTime001.run/CPUTime001.stdout.normalised 2019-01-23 18:53:32.601027719 +0000 +++ libraries/base/tests/CPUTime001.run/CPUTime001.run.stdout.normalised 2019-01-23 18:53:32.601027719 +0000 @@ -1,4 +1,4 @@ 1028457 1664079 2692537 -(True,True) +(False,True) }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/16224 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler

#16224: CPUTime001 is fragile -------------------------------------+------------------------------------- Reporter: bgamari | Owner: (none) Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 8.6.3 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Description changed by bgamari: Old description:
I have seen CPUTime001 fail spuriously on several occasions. In [[https://gitlab.haskell.org/ghc/ghc/-/jobs/15989|one such occasion]]: {{{#!diff --- libraries/base/tests/CPUTime001.run/CPUTime001.stdout.normalised 2019-01-23 18:53:32.601027719 +0000 +++ libraries/base/tests/CPUTime001.run/CPUTime001.run.stdout.normalised 2019-01-23 18:53:32.601027719 +0000 @@ -1,4 +1,4 @@ 1028457 1664079 2692537 -(True,True) +(False,True) }}}
New description: I have seen CPUTime001 fail spuriously on several occasions. In [[https://gitlab.haskell.org/ghc/ghc/-/jobs/15989|one such occasion]] on Debian 9 the `normal` testsuite way failed with: {{{#!diff --- libraries/base/tests/CPUTime001.run/CPUTime001.stdout.normalised 2019-01-23 18:53:32.601027719 +0000 +++ libraries/base/tests/CPUTime001.run/CPUTime001.run.stdout.normalised 2019-01-23 18:53:32.601027719 +0000 @@ -1,4 +1,4 @@ 1028457 1664079 2692537 -(True,True) +(False,True) }}} -- -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/16224#comment:1 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler

#16224: CPUTime001 is fragile -------------------------------------+------------------------------------- Reporter: bgamari | Owner: (none) Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 8.6.3 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Comment (by bgamari): I'm actually getting rather concerned that this might be a new regression. I've seen this fail suspiciously often in the last few days. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/16224#comment:2 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler

#16224: CPUTime001 is fragile -------------------------------------+------------------------------------- Reporter: bgamari | Owner: (none) Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 8.6.3 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Changes (by RyanGlScott): * cc: RyanGlScott (added) -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/16224#comment:3 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler
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