More teststuite woes

[Simon Peyton Jones]

David
I got this error on Windows today.  It's during the testuite run of 'sh validate'

=====> T7969(normal) 3998 of 6647 [0, 25, 1]

cd "/c/Users/simonpj/AppData/Local/Temp/ghctest-b2z6dfqg/test   spaces/rename/should_compile/T7969.run" && $MAKE -s --no-print-directory T7969

=====> T9127(normal) 3999 of 6647 [0, 25, 1]

cd "/c/Users/simonpj/AppData/Local/Temp/ghctest-b2z6dfqg/test   spaces/rename/should_compile/T9127.run" &&  "/c/code/HEAD/bindisttest/install   dir/bin/ghc.exe" -c T9127.hs -dcore-lint -dcmm-lint -no-user-package-db -rtsopts -fno-warn-missed-specialisations -fshow-warning-groups -fdiagnostics-color=never -fno-diagnostics-show-caret -Werror=compat -dno-debug-output

=====> T4426(normal) 4000 of 6647 [0, 25, 1]

cd "/c/Users/simonpj/AppData/Local/Temp/ghctest-b2z6dfqg/test   spaces/rename/should_compile/T4426.run" &&  "/c/code/HEAD/bindisttest/install   dir/bin/ghc.exe" -c T4426.hs -dcore-lint -dcmm-lint -no-user-package-db -rtsopts -fno-warn-missed-specialisations -fshow-warning-groups -fdiagnostics-color=never -fno-diagnostics-show-caret -Werror=compat -dno-debug-output

cd "/c/Users/simonpj/AppData/Local/Temp/ghctest-b2z6dfqg/test   spaces/rename/should_compile/T5592.run" && ./T5592

=====> T9778(normal) 4001 of 6647 [0, 25, 1]

cd "/c/Users/simonpj/AppData/Local/Temp/ghctest-b2z6dfqg/test   spaces/rename/should_compile/T9778.run" &&  "/c/code/HEAD/bindisttest/install   dir/bin/ghc.exe" -c T9778.hs -dcore-lint -dcmm-lint -no-user-package-db -rtsopts -fno-warn-missed-specialisations -fshow-warning-groups -fdiagnostics-color=never -fno-diagnostics-show-caret -Werror=compat -dno-debug-output  -fwarn-unticked-promoted-constructors

=====> T10816(normal) 4002 of 6647 [0, 25, 1]

cd "/c/Users/simonpj/AppData/Local/Temp/ghctest-b2z6dfqg/test   spaces/rename/should_compile/T10816.run" &&  "/c/code/HEAD/bindisttest/install   dir/bin/ghc.exe" -c T10816.hs -dcore-lint -dcmm-lint -no-user-package-db -rtsopts -fno-warn-missed-specialisations -fshow-warning-groups -fdiagnostics-color=never -fno-diagnostics-show-caret -Werror=compat -dno-debug-output

Traceback (most recent call last):

  File "/usr/lib/python3.6/threading.py", line 426, in acquire

    self._cond.wait(timeout)

  File "/usr/lib/python3.6/threading.py", line 287, in wait

    raise RuntimeError("cannot wait on un-acquired lock")

RuntimeError: cannot wait on un-acquired lock



During handling of the above exception, another exception occurred:



Traceback (most recent call last):

  File "../driver/runtests.py", line 336, in <module>

    oneTest(watcher)

  File "/c/code/HEAD/testsuite/driver/testlib.py", line 717, in <lambda>

    thisTest = lambda watcher: runTest(watcher, myTestOpts, name, func, args)

  File "/c/code/HEAD/testsuite/driver/testlib.py", line 678, in runTest

    pool_sema.acquire()

  File "/usr/lib/python3.6/threading.py", line 429, in acquire

    rc = True

  File "/usr/lib/python3.6/threading.py", line 243, in __exit__

    return self._lock.__exit__(*args)

RuntimeError: release unlocked lock

make: *** [../mk/test.mk:344: test] Error 1

make: Leaving directory '/c/code/HEAD/testsuite/tests'

make: Entering directory '/c/code/HEAD/testsuite/tests/stage1'

Does this ring any bells.  It means I can't validate at all.
Thanks

Simon
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