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<p>Hello Simon,</p>
<p>I had a quick look into this today, and spoke a bit with Ben
about it. We don't have a clear answer as to what is causing this
at the moment. We'll have to look more into this early next week.
<br>
</p>
<p>> It means I can’t validate at all.</p>
<p>So you've tried to validate multiple times? I.e. does the error
happen deterministically or was it more of a one off event?</p>
<p>- David E<br>
</p>
<br>
<div class="moz-cite-prefix">On 17/11/18 10:05, Simon Peyton Jones
via ghc-devs wrote:<br>
</div>
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<p class="MsoNormal">David<o:p></o:p></p>
<p class="MsoNormal">I got this error on Windows today. It’s
during the testuite run of ‘sh validate’<o:p></o:p></p>
<p class="Code">=====> T7969(normal) 3998 of 6647 [0, 25, 1]<o:p></o:p></p>
<p class="Code">cd
"/c/Users/simonpj/AppData/Local/Temp/ghctest-b2z6dfqg/test
spaces/rename/should_compile/T7969.run" && $MAKE -s
--no-print-directory T7969
<o:p></o:p></p>
<p class="Code">=====> T9127(normal) 3999 of 6647 [0, 25, 1]<o:p></o:p></p>
<p class="Code">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
<o:p></o:p></p>
<p class="Code">=====> T4426(normal) 4000 of 6647 [0, 25, 1]<o:p></o:p></p>
<p class="Code">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
<o:p></o:p></p>
<p class="Code">cd
"/c/Users/simonpj/AppData/Local/Temp/ghctest-b2z6dfqg/test
spaces/rename/should_compile/T5592.run" && ./T5592
<o:p></o:p></p>
<p class="Code">=====> T9778(normal) 4001 of 6647 [0, 25, 1]<o:p></o:p></p>
<p class="Code">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<o:p></o:p></p>
<p class="Code">=====> T10816(normal) 4002 of 6647 [0, 25, 1]<o:p></o:p></p>
<p class="Code">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
<o:p></o:p></p>
<p class="Code">Traceback (most recent call last):<o:p></o:p></p>
<p class="Code"> File "/usr/lib/python3.6/threading.py", line
426, in acquire<o:p></o:p></p>
<p class="Code"> self._cond.wait(timeout)<o:p></o:p></p>
<p class="Code"> File "/usr/lib/python3.6/threading.py", line
287, in wait<o:p></o:p></p>
<p class="Code"> raise RuntimeError("cannot wait on
un-acquired lock")<o:p></o:p></p>
<p class="Code"><b><span style="color:red">RuntimeError: cannot
wait on un-acquired lock<o:p></o:p></span></b></p>
<p class="Code"><o:p> </o:p></p>
<p class="Code">During handling of the above exception, another
exception occurred:<o:p></o:p></p>
<p class="Code"><o:p> </o:p></p>
<p class="Code">Traceback (most recent call last):<o:p></o:p></p>
<p class="Code"> File "../driver/runtests.py", line 336, in
<module><o:p></o:p></p>
<p class="Code"> oneTest(watcher)<o:p></o:p></p>
<p class="Code"> File
"/c/code/HEAD/testsuite/driver/testlib.py", line 717, in
<lambda><o:p></o:p></p>
<p class="Code"> thisTest = lambda watcher: runTest(watcher,
myTestOpts, name, func, args)<o:p></o:p></p>
<p class="Code"> File
"/c/code/HEAD/testsuite/driver/testlib.py", line 678, in
runTest<o:p></o:p></p>
<p class="Code"> pool_sema.acquire()<o:p></o:p></p>
<p class="Code"> File "/usr/lib/python3.6/threading.py", line
429, in acquire<o:p></o:p></p>
<p class="Code"> rc = True<o:p></o:p></p>
<p class="Code"> File "/usr/lib/python3.6/threading.py", line
243, in __exit__<o:p></o:p></p>
<p class="Code"> return self._lock.__exit__(*args)<o:p></o:p></p>
<p class="Code"><b><span style="color:red">RuntimeError: release
unlocked lock<o:p></o:p></span></b></p>
<p class="Code">make: *** [../mk/test.mk:344: test] Error 1<o:p></o:p></p>
<p class="Code">make: Leaving directory
'/c/code/HEAD/testsuite/tests'<o:p></o:p></p>
<p class="Code">make: Entering directory
'/c/code/HEAD/testsuite/tests/stage1'<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Does this ring any bells. It means I can’t
validate at all.<o:p></o:p></p>
<p class="MsoNormal">Thanks<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Simon<o:p></o:p></p>
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