More teststuite woes

Sat Nov 17 22:39:55 UTC 2018

The exception is thrown by python's semaphore class. We are using it to 
limit the number of tests running concurrently, though I couldn't see 
anything obviously wrong with the relevant code. If possible, could you 
find out what `python --version` you have?

David E

On 17/11/18 21:55, Simon Peyton Jones wrote:
>
> Hmm.   The second run worked fine.  That’s unhelpful from a debugging 
> point of view, but it means I’m not stuck!
>
> Simon
>
> *From:*Simon Peyton Jones
> *Sent:* 17 November 2018 17:57
> *To:* 'David Eichmann' <davide at well-typed.com>
> *Cc:* ghc-devs at haskell.org
> *Subject:* RE: More teststuite woes
>
> I’ll try validating again to see if the same thing happens.
>
> Simon
>
> *From:*David Eichmann <davide at well-typed.com 
> <mailto:davide at well-typed.com>>
> *Sent:* 17 November 2018 16:48
> *To:* Simon Peyton Jones <simonpj at microsoft.com 
> <mailto:simonpj at microsoft.com>>
> *Cc:* ghc-devs at haskell.org <mailto:ghc-devs at haskell.org>
> *Subject:* Re: More teststuite woes
>
> Hello Simon,
>
> 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.
>
> > It means I can’t validate at all.
>
> So you've tried to validate multiple times? I.e. does the error happen 
> deterministically or was it more of a one off event?
>
> - David E
>
> On 17/11/18 10:05, Simon Peyton Jones via ghc-devs wrote:
>
>     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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