I've seen the following failures when doctesting Sage-on-Gentoo but I'm now
seeing them when doctesting vanilla Sage:
sage -t --long --warn-long 165.2 --random-seed=0 src/sage/rings/integer.pyx
**********************************************************************
File "src/sage/rings/integer.pyx", line 3100, 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
"/local/sage-git/sage/local/lib/python3.7/site-packages/sage/doctest/forker.py",
line 715, in _run
self.compile_and_execute(example, compiler, test.globs)
File
"/local/sage-git/sage/local/lib/python3.7/site-packages/sage/doctest/forker.py",
line 1139, 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 3170, in
sage.rings.integer.Integer.divisors
(build/cythonized/sage/rings/integer.c:20840)
ptr = <unsigned long*>check_allocarray(divisor_count, 3 *
sizeof(unsigned long))
File "memory.pxd", line 87, in cysignals.memory.check_allocarray
(build/cythonized/sage/rings/integer.c:47465)
MemoryError: failed to allocate 33554432 * 24 bytes
**********************************************************************
File "src/sage/rings/integer.pyx", line 3912, in
sage.rings.integer.Integer.?
Failed example:
n.factor(proof=True)
Exception raised:
Traceback (most recent call last):
File
"/local/sage-git/sage/local/lib/python3.7/site-packages/sage/doctest/forker.py",
line 715, in _run
self.compile_and_execute(example, compiler, test.globs)
File
"/local/sage-git/sage/local/lib/python3.7/site-packages/sage/doctest/forker.py",
line 1139, in compile_and_execute
exec(compiled, globs)
File "<doctest sage.rings.integer.Integer.?[9]>", line 1, in <module>
n.factor(proof=True)
File "sage/rings/integer.pyx", line 3994, in
sage.rings.integer.Integer.factor
(build/cythonized/sage/rings/integer.c:25893)
F = factor_using_pari(n, int_=int_, debug_level=verbose,
proof=proof)
File "sage/rings/factorint.pyx", line 345, in
sage.rings.factorint.factor_using_pari
(build/cythonized/sage/rings/factorint.c:6481)
p, e = n.__pari__().factor(proof=proof)
File "cypari2/gen.pyx", line 4311, in cypari2.gen.Gen.factor
cysignals.signals.AlarmInterrupt
**********************************************************************
and
sage -t --long --warn-long 165.2 --random-seed=0 src/sage/doctest/test.py
**********************************************************************
File "src/sage/doctest/test.py", line 521, in sage.doctest.test
Failed example:
if system() == "Linux":
P = subprocess.Popen(["sage", "-t", "--warn-long", "0",
"--random-seed=0", "--memlimit=2000", "memlimit.rst"],
stdout=subprocess.PIPE, **kwds)
out, err = P.communicate()
ok = ("MemoryError: failed to allocate" in bytes_to_str(out))
Expected nothing
Got:
Process DocTestWorker-1:
Traceback (most recent call last):
File
"/local/sage-git/sage/local/lib/python3.7/multiprocessing/process.py", line
297, in _bootstrap
self.run()
File
"/local/sage-git/sage/local/lib/python3.7/site-packages/sage/doctest/forker.py",
line 2185, in run
task(self.options, self.outtmpfile, msgpipe, self.result_queue)
File
"/local/sage-git/sage/local/lib/python3.7/site-packages/sage/doctest/forker.py",
line 2535, in __call__
result_queue.put(result, False)
File
"/local/sage-git/sage/local/lib/python3.7/multiprocessing/queues.py", line
87, in put
self._start_thread()
File
"/local/sage-git/sage/local/lib/python3.7/multiprocessing/queues.py", line
170, in _start_thread
self._thread.start()
File "/local/sage-git/sage/local/lib/python3.7/threading.py", line
847, in start
_start_new_thread(self._bootstrap, ())
RuntimeError: can't start new thread
On Tuesday, August 18, 2020 at 5:01:42 PM UTC-6, Volker Braun wrote:
>
> As always, you can get the latest beta version from the "develop" git
> branch. Alternatively, the self-contained source tarball is at
> http://www.sagemath.org/download-latest.html
>
>
> 548666e9f2 (tag: 9.2.beta9, trac/develop) Updated SageMath version to
> 9.2.beta9
> 842a6866f1 Trac #29974: Make combinat doctests ready for random seeds
> 1de1d457b4 Trac #29971: Make categories doctests ready for random seeds
> 6864757e11 Trac #29968: Make algebras doctests ready for random seeds
> b526019731 Trac #29963: Make geometry doctests ready for random seeds
> 719f9af12c Trac #29509: rational_points fails for some hyperelliptic curves
> 4d5ab773b5 Trac #29257: use solve_left for division operation of matrices
> e18e84219d Trac #30365: Disable LTO in matplotlib build
> 01f536726d Trac #29989: fix random test failures in PSage interface
> f531b354f7 Trac #30345: build/make/Makefile.in: Filter out "-j" from
> sub-make invocations to avoid excessive parallel load
> 8417e64af6 Trac #29511: Broken coercion between cyclotomic fields
> b4a8c5745b Trac #29325: Set up permutahedron with both Vrep and Hrep (if
> backend supports it)
> 9b14ca3e86 Trac #29248: Index notation for tensors should allow for
> unicode characters
> a331d47ef3 Trac #28966: Provide unicode aliases for some globals in Python
> 3
> 95d0cd5b9e Trac #28951: Fixing a bug in
> sage.schemes.cyclic_covers.charpoly_frobenius
> 4986d5ea7f Trac #28816: database_stein_watkins Python 3 issues
> 193e14365a Trac #30127: cygwin-minimal: pip-20.1.1 fails to install
> a92871805f Trac #26919: Upgrade Jupyter notebook to latest (6.1.1) and its
> dependencies to latest
> 66472811de Trac #30251: ExtPowerFreeModule, ExtPowerDualFreeModule:
> Simplify _repr_
> 7030fa15a7 Trac #30175: Remove outdated spkg-src script for ecl
> 11bb005e98 Trac #30165: normalize_coordinates broken for p-adic fields
> 82568e3cbd Trac #30044: tox.ini: Test on voidlinux
> 294931e00b Trac #30339: tox.ini: Update for latest ubuntu, fedora versions
> ea615c4ce6 Trac #30331: Issue with toric_substitute for Laurent polynomials
> df3cf63875 Trac #30327: affine group element * a polytope raises KeyError
> 9cfaefb544 Trac #30303: Graphs: two families of distance-regular graphs
> 81a7e50cd2 Trac #30301: Italian translation of FAQ
> 48fb9141da Trac #30286: Graph: last sporadic distance-regular graphs
> 6f2561fdca Trac #30260: Graphs: more distance-regular graphs
> 29098c6af9 Trac #30240: Graphs: a few distance-regular graphs
> 1b8dff7172 Trac #30178: Manifolds: add orientability
> 24eb3aa28d Trac #29911: sage.rings.integer, integer_ring: Remove
> dependencies on sage.libs.ntl
> 8b9743d0af Trac #29654: Improve face generator of polyhedra by exposing
> `FaceIterator` class
> c0b61fd5cf Trac #28904: Move reversed graph from backend to CGraph for
> sparse graphs
> 04c64492a6 Trac #30335: openblas: clear out .pc symlinks before
> installation
> ef6132b817 Trac #25363: Add '--simple-prompt' argument for sage
> 3682402983 Trac #30277: Remove src/module_list.py
> 0cc658a1f9 Trac #30257: Fusion Ring - Rmatrix
> 6ffe4c9e55 Trac #30209: Action for Bundle Connections
> eaa2f0a361 Trac #29950: Build sagelib from build/pkgs/sagelib/src, fix
> `setup.py sdist`, add spkg-src and tox.ini
> e002ee071c Trac #29539: Bug in saturation of elliptic curves over number
> fields
> a4b8705ae5 Trac #30330: `cdd` backend fails to initialize empty polyhedron
> from double description
> c3e5ce6ea1 Trac #30292: is_pyramid returns a wrong certificate
> 3d594b5cc6 Trac #30262: Update e-antic to 0.1.8
> 415221a9a8 (tag: 9.2.beta8) Updated SageMath version to 9.2.beta8
>
>
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