Opened 4 months ago
Last modified 3 weeks ago
#33230 new defect
Random test failure in sage.rings.integer
| Reported by: | mjo | Owned by: | |
|---|---|---|---|
| Priority: | major | Milestone: | sage-9.7 |
| Component: | build | Keywords: | |
| Cc: | gh-kliem | Merged in: | |
| Authors: | Reviewers: | ||
| Report Upstream: | N/A | Work issues: | |
| Branch: | Commit: | ||
| Dependencies: | Stopgaps: |
Status badges
Description
I've been trying to track this down for some time without luck. The important ingredients seem to be,
- compiling with
-O0inCFLAGSandCPPFLAGS. - running the tests with
-p2 - the random seed
but even then it's not always reproducible (so I can't really be sure how critical the ingredients above are). This is on an unmodified 9.5.rc3.
$ sage -t -p2 --long --warn-long 0.0 --random-seed=317330528558743225605191137282347178703 src/sage/rings/integer.pyx
Running doctests with ID 2022-01-25-11-12-37-a8e85da5.
Git branch: develop
Using --optional=build,gentoo,pip,sage,sage_spkg
Features to be detected: 4ti2,benzene,bliss,buckygen,conway_polynomials,csdp,database_cremona_ellcurve,database_cremona_mini_ellcurve,database_jones_numfield,database_knotinfo,dvipng,ffmpeg,graphviz,imagemagick,jupymake,kenzo,latte_int,lrslib,mcqd,meataxe,pandoc,pdf2svg,plantri,pynormaliz,rubiks,sage.combinat,sage.geometry.polyhedron,sage.graphs,sage.plot,sage.rings.number_field,sage.rings.real_double,sage.symbolic,sage_numerical_backends_coin,sagemath_doc_html,sphinx,tdlib
Doctesting 1 file using 2 threads.
sage -t --long --warn-long 0.0 --random-seed=317330528558743225605191137282347178703 src/sage/rings/integer.pyx
**********************************************************************
File "src/sage/rings/integer.pyx", line 3006, in sage.rings.integer.Integer.divisors
Failed example:
for i in range(20): # long time
try:
alarm(RDF.random_element(1e-3, 0.5))
_ = n.divisors()
cancel_alarm() # we never get here
except AlarmInterrupt:
pass
Exception raised:
Traceback (most recent call last):
File "<doctest sage.rings.integer.Integer.divisors[20]>", line 4, in <module>
_ = n.divisors()
File "sage/rings/integer.pyx", line 3093, in sage.rings.integer.Integer.divisors (build/cythonized/sage/rings/integer.c:20167)
for p, e in f:
File "/home/mjo/src/sage.git/local/var/lib/sage/venv-python3.10/lib/python3.10/site-packages/sage/structure/factorization.py", line 319, in __getitem__
def __getitem__(self, i):
File "src/cysignals/signals.pyx", line 310, in cysignals.signals.python_check_interrupt
cysignals.signals.AlarmInterrupt
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/home/mjo/src/sage.git/local/var/lib/sage/venv-python3.10/lib/python3.10/site-packages/sage/doctest/forker.py", line 694, in _run
self.compile_and_execute(example, compiler, test.globs)
File "/home/mjo/src/sage.git/local/var/lib/sage/venv-python3.10/lib/python3.10/site-packages/sage/doctest/forker.py", line 1088, in compile_and_execute
exec(compiled, globs)
File "<doctest sage.rings.integer.Integer.divisors[20]>", line 4, in <module>
_ = n.divisors()
File "src/cysignals/signals.pyx", line 310, in cysignals.signals.python_check_interrupt
cysignals.signals.AlarmInterrupt
^CKilling test src/sage/rings/integer.pyx
----------------------------------------------------------------------
Doctests interrupted: 0/1 files tested
----------------------------------------------------------------------
Total time for all tests: 77.8 seconds
cpu time: 0.0 seconds
cumulative wall time: 0.0 seconds
Features detected for doctesting:
Pytest is not installed, skip checking tests that rely on it.
Also note that the doctest is trying to catch the very exception that kills it.
Change History (3)
comment:1 Changed 4 months ago by
comment:2 Changed 4 months ago by
This might not be entirely related, but I have just seen the same test fail with another error on a patchbot:
sage -t --long --random-seed=249317294624714313432109516979551245556 src/sage/rings/integer.pyx
**********************************************************************
File "src/sage/rings/integer.pyx", line 3006, in sage.rings.integer.Integer.divisors
Failed example:
for i in range(20): # long time
try:
alarm(RDF.random_element(1e-3, 0.5))
_ = n.divisors()
cancel_alarm() # we never get here
except AlarmInterrupt:
pass
Exception raised:
Traceback (most recent call last):
File "/home/debian/sage/local/lib/python3.9/site-packages/sage/doctest/forker.py", line 694, in _run
self.compile_and_execute(example, compiler, test.globs)
File "/home/debian/sage/local/lib/python3.9/site-packages/sage/doctest/forker.py", line 1088, in compile_and_execute
exec(compiled, globs)
File "<doctest sage.rings.integer.Integer.divisors[20]>", line 4, in <module>
_ = n.divisors()
File "sage/rings/integer.pyx", line 3108, in sage.rings.integer.Integer.divisors (build/cythonized/sage/rings/integer.c:20364)
sig_on()
SystemError: calling remove_from_pari_stack() inside sig_on()
comment:3 Changed 3 weeks ago by
- Milestone changed from sage-9.6 to sage-9.7
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Evidence of it randomly pass/failing, if you're into that sort of thing. Nothing happened between these commands. I just hit up and enter:
mjo@gantu ~/src/sage.git $ sage -t --long --warn-long 0.0 --random-seed=317330528558743225605191137282347178703 src/sage/rings/integer.pyx Running doctests with ID 2022-01-25-11-14-16-4f7cf422. Git branch: develop Using --optional=build,gentoo,pip,sage,sage_spkg Features to be detected: 4ti2,benzene,bliss,buckygen,conway_polynomials,csdp,database_cremona_ellcurve,database_cremona_mini_ellcurve,database_jones_numfield,database_knotinfo,dvipng,ffmpeg,graphviz,imagemagick,jupymake,kenzo,latte_int,lrslib,mcqd,meataxe,pandoc,pdf2svg,plantri,pynormaliz,rubiks,sage.combinat,sage.geometry.polyhedron,sage.graphs,sage.plot,sage.rings.number_field,sage.rings.real_double,sage.symbolic,sage_numerical_backends_coin,sagemath_doc_html,sphinx,tdlib Doctesting 1 file. sage -t --long --warn-long 0.0 --random-seed=317330528558743225605191137282347178703 src/sage/rings/integer.pyx [1154 tests, 584.82 s] ---------------------------------------------------------------------- All tests passed! ---------------------------------------------------------------------- Total time for all tests: 586.3 seconds cpu time: 582.4 seconds cumulative wall time: 584.8 seconds Features detected for doctesting: Pytest is not installed, skip checking tests that rely on it.mjo@gantu ~/src/sage.git $ sage -t -p2 --long --warn-long 0.0 --random-seed=317330528558743225605191137282347178703 src/sage/rings/integer.pyx Running doctests with ID 2022-01-25-11-47-54-32b9067f. Git branch: develop Using --optional=build,gentoo,pip,sage,sage_spkg Features to be detected: 4ti2,benzene,bliss,buckygen,conway_polynomials,csdp,database_cremona_ellcurve,database_cremona_mini_ellcurve,database_jones_numfield,database_knotinfo,dvipng,ffmpeg,graphviz,imagemagick,jupymake,kenzo,latte_int,lrslib,mcqd,meataxe,pandoc,pdf2svg,plantri,pynormaliz,rubiks,sage.combinat,sage.geometry.polyhedron,sage.graphs,sage.plot,sage.rings.number_field,sage.rings.real_double,sage.symbolic,sage_numerical_backends_coin,sagemath_doc_html,sphinx,tdlib Doctesting 1 file using 2 threads. sage -t --long --warn-long 0.0 --random-seed=317330528558743225605191137282347178703 src/sage/rings/integer.pyx [1154 tests, 527.12 s] ---------------------------------------------------------------------- All tests passed! ---------------------------------------------------------------------- Total time for all tests: 527.9 seconds cpu time: 526.1 seconds cumulative wall time: 527.1 seconds Features detected for doctesting: Pytest is not installed, skip checking tests that rely on it.mjo@gantu ~/src/sage.git $ sage -t -p2 --long --warn-long 0.0 --random-seed=317330528558743225605191137282347178703 src/sage/rings/integer.pyx Running doctests with ID 2022-01-25-12-01-21-764e200d. Git branch: develop Using --optional=build,gentoo,pip,sage,sage_spkg Features to be detected: 4ti2,benzene,bliss,buckygen,conway_polynomials,csdp,database_cremona_ellcurve,database_cremona_mini_ellcurve,database_jones_numfield,database_knotinfo,dvipng,ffmpeg,graphviz,imagemagick,jupymake,kenzo,latte_int,lrslib,mcqd,meataxe,pandoc,pdf2svg,plantri,pynormaliz,rubiks,sage.combinat,sage.geometry.polyhedron,sage.graphs,sage.plot,sage.rings.number_field,sage.rings.real_double,sage.symbolic,sage_numerical_backends_coin,sagemath_doc_html,sphinx,tdlib Doctesting 1 file using 2 threads. sage -t --long --warn-long 0.0 --random-seed=317330528558743225605191137282347178703 src/sage/rings/integer.pyx [1154 tests, 627.24 s] ---------------------------------------------------------------------- All tests passed! ---------------------------------------------------------------------- Total time for all tests: 628.1 seconds cpu time: 617.7 seconds cumulative wall time: 627.2 seconds Features detected for doctesting: Pytest is not installed, skip checking tests that rely on it.mjo@gantu ~/src/sage.git $ sage -t -p2 --long --warn-long 0.0 --random-seed=317330528558743225605191137282347178703 src/sage/rings/integer.pyx Running doctests with ID 2022-01-25-12-14-03-c62c53a9. Git branch: develop Using --optional=build,gentoo,pip,sage,sage_spkg Features to be detected: 4ti2,benzene,bliss,buckygen,conway_polynomials,csdp,database_cremona_ellcurve,database_cremona_mini_ellcurve,database_jones_numfield,database_knotinfo,dvipng,ffmpeg,graphviz,imagemagick,jupymake,kenzo,latte_int,lrslib,mcqd,meataxe,pandoc,pdf2svg,plantri,pynormaliz,rubiks,sage.combinat,sage.geometry.polyhedron,sage.graphs,sage.plot,sage.rings.number_field,sage.rings.real_double,sage.symbolic,sage_numerical_backends_coin,sagemath_doc_html,sphinx,tdlib Doctesting 1 file using 2 threads. sage -t --long --warn-long 0.0 --random-seed=317330528558743225605191137282347178703 src/sage/rings/integer.pyx ********************************************************************** File "src/sage/rings/integer.pyx", line 3006, in sage.rings.integer.Integer.divisors Failed example: for i in range(20): # long time try: alarm(RDF.random_element(1e-3, 0.5)) _ = n.divisors() cancel_alarm() # we never get here except AlarmInterrupt: pass Exception raised: Traceback (most recent call last): File "<doctest sage.rings.integer.Integer.divisors[20]>", line 4, in <module> _ = n.divisors() File "sage/rings/integer.pyx", line 3093, in sage.rings.integer.Integer.divisors (build/cythonized/sage/rings/integer.c:20167) for p, e in f: File "/home/mjo/src/sage.git/local/var/lib/sage/venv-python3.10/lib/python3.10/site-packages/sage/structure/factorization.py", line 319, in __getitem__ def __getitem__(self, i): File "src/cysignals/signals.pyx", line 310, in cysignals.signals.python_check_interrupt cysignals.signals.AlarmInterrupt During handling of the above exception, another exception occurred: Traceback (most recent call last): File "/home/mjo/src/sage.git/local/var/lib/sage/venv-python3.10/lib/python3.10/site-packages/sage/doctest/forker.py", line 694, in _run self.compile_and_execute(example, compiler, test.globs) File "/home/mjo/src/sage.git/local/var/lib/sage/venv-python3.10/lib/python3.10/site-packages/sage/doctest/forker.py", line 1088, in compile_and_execute exec(compiled, globs) File "<doctest sage.rings.integer.Integer.divisors[20]>", line 4, in <module> _ = n.divisors() File "src/cysignals/signals.pyx", line 310, in cysignals.signals.python_check_interrupt cysignals.signals.AlarmInterrupt ********************************************************************** 1 item had failures: 1 of 23 in sage.rings.integer.Integer.divisors [1154 tests, 1 failure, 498.58 s] ---------------------------------------------------------------------- sage -t --long --warn-long 0.0 --random-seed=317330528558743225605191137282347178703 src/sage/rings/integer.pyx # 1 doctest failed ---------------------------------------------------------------------- Total time for all tests: 499.6 seconds cpu time: 496.0 seconds cumulative wall time: 498.6 seconds Features detected for doctesting: Pytest is not installed, skip checking tests that rely on it.