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<p class="MsoNormal">I’m getting irreproducible validate failures on Windows.   Here’s the output:<o:p></o:p></p>
<p class="Code" style="mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:0cm;margin-left:36.0pt;margin-bottom:.0001pt">
Unexpected failures:<o:p></o:p></p>
<p class="Code" style="mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:0cm;margin-left:36.0pt;margin-bottom:.0001pt">
   ghci/prog003/prog003.run  prog003 [bad exit code] (ghci)<o:p></o:p></p>
<p class="Code" style="mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:0cm;margin-left:36.0pt;margin-bottom:.0001pt">
   plugins/plugins07.run     plugins07 [bad exit code] (normal)<o:p></o:p></p>
<p class="Code" style="mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:0cm;margin-left:36.0pt;margin-bottom:.0001pt">
   plugins/T10420.run        T10420 [bad exit code] (normal)<o:p></o:p></p>
<p class="Code" style="mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:0cm;margin-left:36.0pt;margin-bottom:.0001pt">
   plugins/T10294a.run       T10294a [bad exit code] (normal)<o:p></o:p></p>
<p class="Code" style="mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:0cm;margin-left:36.0pt;margin-bottom:.0001pt">
   plugins/T11244.run        T11244 [bad stderr] (normal)<o:p></o:p></p>
<p class="Code" style="mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:0cm;margin-left:36.0pt;margin-bottom:.0001pt">
<o:p> </o:p></p>
<p class="Code" style="mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:0cm;margin-left:36.0pt;margin-bottom:.0001pt">
Framework failures:<o:p></o:p></p>
<p class="Code" style="mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:0cm;margin-left:36.0pt;margin-bottom:.0001pt">
   plugins/plugins07.run  plugins07 [normal] (pre_cmd failed: 2)<o:p></o:p></p>
<p class="Code" style="mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:0cm;margin-left:36.0pt;margin-bottom:.0001pt">
   plugins/T10420.run     T10420 [normal] (pre_cmd failed: 2)<o:p></o:p></p>
<p class="Code" style="mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:0cm;margin-left:36.0pt;margin-bottom:.0001pt">
   plugins/T10294a.run    T10294a [normal] (pre_cmd failed: 2)<o:p></o:p></p>
<p class="Code" style="mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:0cm;margin-left:36.0pt;margin-bottom:.0001pt">
   plugins/T11244.run     T11244 [normal] (pre_cmd failed: 2)<o:p></o:p></p>
<p class="Code" style="mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:0cm;margin-left:36.0pt;margin-bottom:.0001pt">
   th/TH_spliceE5.run     TH_spliceE5 [ext-interp] ([Errno 17] File exists: '/c/Users/simonpj/AppData/Local/Temp/ghctest-zsi7djxa/test   spaces/./th/TH_spliceE5.run')<o:p></o:p></p>
<p class="Code" style="mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:0cm;margin-left:36.0pt;margin-bottom:.0001pt">
   th/TH_reifyMkName.run  TH_reifyMkName [ext-interp] ([Errno 17] File exists: '/c/Users/simonpj/AppData/Local/Temp/ghctest-zsi7djxa/test   spaces/./th/TH_reifyMkName.run')<o:p></o:p></p>
<p class="Code" style="mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:0cm;margin-left:36.0pt;margin-bottom:.0001pt">
   th/T3395.run           T3395 [ext-interp] ([Errno 17] File exists: '/c/Users/simonpj/AppData/Local/Temp/ghctest-zsi7djxa/test   spaces/./th/T3395.run')<o:p></o:p></p>
<p class="Code" style="mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:0cm;margin-left:36.0pt;margin-bottom:.0001pt">
   th/T5508.run           T5508 [ext-interp] ([Errno 17] File exists: '/c/Users/simonpj/AppData/Local/Temp/ghctest-zsi7djxa/test   spaces/./th/T5508.run')<o:p></o:p></p>
<p class="Code" style="mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:0cm;margin-left:36.0pt;margin-bottom:.0001pt">
   th/T10828.run          T10828 [ext-interp] ([Errno 17] File exists: '/c/Users/simonpj/AppData/Local/Temp/ghctest-zsi7djxa/test   spaces/./th/T10828.run')<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I have no idea what the framework failures mean. But those plugin tests work ok when run one at a time<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="Code" style="mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:0cm;margin-left:36.0pt;margin-bottom:.0001pt">
.../tests/plugins$ make TEST=T10420<o:p></o:p></p>
<p class="Code" style="mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:0cm;margin-left:36.0pt;margin-bottom:.0001pt">
PYTHON="python3" "python3" ../../driver/runtests.py  -e ghc_compiler_always_flags="'-dcore-lint -dcmm-lint -no-user-package-db -rtsopts  -fno-warn-missed-specialisations -fshow-warning-groups -dno-debug-output'" -e config.compiler_debugged=False -e ghc_with_native_codegen=1
 -e config.have_vanilla=True -e config.have_dynamic=False -e config.have_profiling=False -e ghc_with_threaded_rts=1 -e ghc_with_dynamic_rts=0 -e config.have_interp=True -e config.unregisterised=False -e config.ghc_dynamic_by_default=False -e config.ghc_dynamic=False
 -e ghc_with_smp=1 -e ghc_with_llvm=0 -e windows=True -e darwin=False -e config.in_tree_compiler=True -e config.cleanup=True -e config.local=True --rootdir=. --configfile=../../config/ghc -e 'config.confdir="../../config"' -e 'config.platform="x86_64-unknown-mingw32"'
 -e 'config.os="mingw32"' -e 'config.arch="x86_64"' -e 'config.wordsize="64"' -e 'config.timeout=int() or config.timeout' -e 'config.exeext=".exe"' -e 'config.top="/c/code/HEAD/testsuite"' --config 'compiler="/c/code/HEAD/inplace/bin/ghc-stage2.exe"' --config
 'ghc_pkg="/c/code/HEAD/inplace/bin/ghc-pkg.exe"' --config 'haddock="/c/code/HEAD/inplace/bin/haddock.exe"' --config 'hp2ps="/c/code/HEAD/inplace/bin/hp2ps.exe"' --config 'hpc="/c/code/HEAD/inplace/bin/hpc.exe"' --config 'gs="gs"' --config 'timeout_prog="../../timeout/install-inplace/bin/timeout.exe"'
 -e "config.stage=2"  \<o:p></o:p></p>
<p class="Code" style="mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:0cm;margin-left:36.0pt;margin-bottom:.0001pt">
      --only=T10420 \<o:p></o:p></p>
<p class="Code" style="mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:0cm;margin-left:36.0pt;margin-bottom:.0001pt">
      \<o:p></o:p></p>
<p class="Code" style="mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:0cm;margin-left:36.0pt;margin-bottom:.0001pt">
      \<o:p></o:p></p>
<p class="Code" style="mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:0cm;margin-left:36.0pt;margin-bottom:.0001pt">
      \<o:p></o:p></p>
<p class="Code" style="mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:0cm;margin-left:36.0pt;margin-bottom:.0001pt">
      \<o:p></o:p></p>
<p class="Code" style="mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:0cm;margin-left:36.0pt;margin-bottom:.0001pt">
      \<o:p></o:p></p>
<p class="Code" style="mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:0cm;margin-left:36.0pt;margin-bottom:.0001pt">
      <o:p></o:p></p>
<p class="Code" style="mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:0cm;margin-left:36.0pt;margin-bottom:.0001pt">
Timeout is 300<o:p></o:p></p>
<p class="Code" style="mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:0cm;margin-left:36.0pt;margin-bottom:.0001pt">
Found 1 .T files...<o:p></o:p></p>
<p class="Code" style="mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:0cm;margin-left:36.0pt;margin-bottom:.0001pt">
Beginning test run at Thu Dec  8 12:02:23 2016 GMTST<o:p></o:p></p>
<p class="Code" style="mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:0cm;margin-left:36.0pt;margin-bottom:.0001pt">
====> Scanning ./all.T<o:p></o:p></p>
<p class="Code" style="mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:0cm;margin-left:36.0pt;margin-bottom:.0001pt">
=====> T10420(normal) 1 of 1 [0, 0, 0]<o:p></o:p></p>
<p class="Code" style="mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:0cm;margin-left:36.0pt;margin-bottom:.0001pt">
cd "./T10420.run" && $MAKE -s --no-print-directory -C rule-defining-plugin package.T10420 TOP=/c/code/HEAD/testsuite<o:p></o:p></p>
<p class="Code" style="mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:0cm;margin-left:36.0pt;margin-bottom:.0001pt">
cd "./T10420.run" && $MAKE -s --no-print-directory T10420  <o:p></o:p></p>
<p class="Code" style="mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:0cm;margin-left:36.0pt;margin-bottom:.0001pt">
<o:p> </o:p></p>
<p class="Code" style="mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:0cm;margin-left:36.0pt;margin-bottom:.0001pt">
SUMMARY for test run started at Thu Dec  8 12:02:23 2016 GMTST<o:p></o:p></p>
<p class="Code" style="mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:0cm;margin-left:36.0pt;margin-bottom:.0001pt">
0:00:13 spent to go through<o:p></o:p></p>
<p class="Code" style="mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:0cm;margin-left:36.0pt;margin-bottom:.0001pt">
       1 total tests, which gave rise to<o:p></o:p></p>
<p class="Code" style="mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:0cm;margin-left:36.0pt;margin-bottom:.0001pt">
       1 test cases, of which<o:p></o:p></p>
<p class="Code" style="mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:0cm;margin-left:36.0pt;margin-bottom:.0001pt">
       0 were skipped<o:p></o:p></p>
<p class="Code" style="mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:0cm;margin-left:36.0pt;margin-bottom:.0001pt">
<o:p> </o:p></p>
<p class="Code" style="mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:0cm;margin-left:36.0pt;margin-bottom:.0001pt">
       0 had missing libraries<o:p></o:p></p>
<p class="Code" style="mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:0cm;margin-left:36.0pt;margin-bottom:.0001pt">
       1 expected passes<o:p></o:p></p>
<p class="Code" style="mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:0cm;margin-left:36.0pt;margin-bottom:.0001pt">
       0 expected failures<o:p></o:p></p>
<p class="Code" style="mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:0cm;margin-left:36.0pt;margin-bottom:.0001pt">
<o:p> </o:p></p>
<p class="Code" style="mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:0cm;margin-left:36.0pt;margin-bottom:.0001pt">
       0 caused framework failures<o:p></o:p></p>
<p class="Code" style="mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:0cm;margin-left:36.0pt;margin-bottom:.0001pt">
       0 unexpected passes<o:p></o:p></p>
<p class="Code" style="mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:0cm;margin-left:36.0pt;margin-bottom:.0001pt">
       0 unexpected failures<o:p></o:p></p>
<p class="Code" style="mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:0cm;margin-left:36.0pt;margin-bottom:.0001pt">
       0 unexpected stat failures<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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