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Posted to issues@arrow.apache.org by GitBox <gi...@apache.org> on 2023/01/06 14:54:44 UTC

[GitHub] [arrow] jonkeane opened a new issue, #15224: [R] [CI] Segfault during python flight tests

jonkeane opened a new issue, #15224:
URL: https://github.com/apache/arrow/issues/15224

   ### Describe the bug, including details regarding any error messages, version, and platform.
   
   This is not consistent (re-runs will sometimes resolve it), but we seem to be getting a segfault when we are running our python-flight tests in R:
   
   ```
   Start test: flight_put with overwrite = FALSE
     'test-python-flight.R:66' [success]
   /arrow/cpp/src/arrow/status.cc:134: Invalid: Signal stop source already set up
   
    *** caught segfault ***
   address 0xb8, cause 'memory not mapped'
   An irrecoverable exception occurred. R is aborting now ...
   Segmentation fault (core dumped)
   
   1 error ✖ | 0 warnings ✔ | 2 notes ✖
   1
   Error: `docker-compose --file /home/runner/work/arrow/arrow/docker-compose.yml run --rm -e TZ=MART -e ARROW_R_FORCE_TESTS=true ubuntu-r` exited with a non-zero exit code 1, see the process log above.
   ```
   from: https://github.com/apache/arrow/actions/runs/3851391995/jobs/6562508211#step:7:24718
   
   I suspect that this is the code that is segfaulting (based on the test that immediately preceded it):
   
   https://github.com/apache/arrow/blob/6bd847b2aefdb0f10eaf83a3bfe2dc8ee269e8e4/r/tests/testthat/test-python-flight.R#L70-L72
   
   Some hypotheses from @paleolimbot :
   
   > It is almost certainly the cancellation stuff that was updated in R and C++ between the last release and now. Is there any chance that the Python arrow that's being used is outdated?
   > Dewey Dunnington: That seems new...I'm getting it in CI now and I didn't get before (and the PR that I'm thinking of has been merged for a while)
   > Dewey Dunnington: The SignalStopSource already set up message is because R's cancellation trumps Python's and so we get a warning. The segfault, however, is definitely new.
   
   ### Component(s)
   
   Continuous Integration, R


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[GitHub] [arrow] paleolimbot commented on issue #15224: [R] [CI] Segfault during python flight tests

Posted by GitBox <gi...@apache.org>.
paleolimbot commented on issue #15224:
URL: https://github.com/apache/arrow/issues/15224#issuecomment-1373743345

   Some cancellation behaviour was changed on the C++ side in #14250, although I don't know that it's necessarily related to a segfault in using flight. That could in theory be related to some symbol collision from loading common libraries, too.


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[GitHub] [arrow] thisisnic commented on issue #15224: [R][CI] Segfault during Python flight tests

Posted by "thisisnic (via GitHub)" <gi...@apache.org>.
thisisnic commented on issue #15224:
URL: https://github.com/apache/arrow/issues/15224#issuecomment-1641749001

   I believe this has been fixed by #35812 but feel free to reopen if not


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[GitHub] [arrow] thisisnic closed issue #15224: [R][CI] Segfault during Python flight tests

Posted by "thisisnic (via GitHub)" <gi...@apache.org>.
thisisnic closed issue #15224: [R][CI] Segfault during Python flight tests
URL: https://github.com/apache/arrow/issues/15224


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