[sage-release] Re: Sage 9.2.beta14 released

Emmanuel Charpentier Thu, 01 Oct 2020 08:00:19 -0700


A new, interesting, and (IMHO) very serious bug :


f=function("f")
var("k")
Eq=f(x).diff(x,2)/f(x)==k
with assuming(k>0):Sp=desolve(Eq,f(x),ivar=x)
with assuming(k==0):Sz=desolve(Eq,f(x),ivar=x)
with assuming(k<0):Sn=desolve(Eq,f(x),ivar=x)
var("_K1,_K2")
# with assuming(k<0): Sn1=Sn.subs(sqrt(k)==I*sqrt(abs(k))) # Crashes Sage
# with assuming(k<0): Sn2=Sn.subs(sqrt(k)==I*sqrt(-k)) # Crashes Sage also
# Maybe "with assuming..." fails ?
assume(k<0)
# Sn3=Sn.subs(sqrt(k)==I*sqrt(abs(k))) # Crash again
# Sn4=Sn.subs(sqrt(k)==I*sqrt(-k)) # Still crashes...

Similar tricks *ejusdem farinae* worked up to 9.2.beta13… Did pynac 
handling got modified ?

What I get in a sage-shell-mode emacs session is in the attached 
PynacCrash.txt (too long for the post body…). Advice on how to create an 
informative ticket welcome...

.HTH,


Le jeudi 1 octobre 2020 15:57:03 UTC+2, Emmanuel Charpentier a écrit :
>
> ptestlong on a rebuilt 9.2.beta14+Trac#30675 
> <https://trac.sagemath.org/ticket/30675>results in one transient and five 
> permanent failures, partially different from those obtained on the same 
> machine with 9.2.beta13 :
> File Result P/T 
> src/sage/schemes/hyperelliptic_curves/monsky_washnitzer.py Killed due to 
> abort P 
> src/sage/tests/parigp.py Timed out T 
> src/sage/modules/fg_pid/fgp_module.py 3 doctests failed P 
> src/doc/en/constructions/algebraic_geometry.rst 1 doctest failed P 
> src/doc/en/developer/coding_in_other.rst 1 doctest failed P 
> src/sage/modules/free_module_morphism.py 3 doctests failed P 
> 
> HTH,
> Le jeudi 1 octobre 2020 à 01:22:01 UTC+2, Volker Braun a écrit :
>
>> 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 
>>
>> Again, if there is anything that should be merged in this beta cycle then 
>> a positively-reviewed patch has to materialize real soon ;-)
>>
>> 1da6df404d (tag: 9.2.beta14) Updated SageMath version to 9.2.beta14
>> be1a62b3bc Trac #30671: Random failure in src/sage/interfaces/psage.py
>> ed7c4a3ee0 Trac #30605: improve cone containment tests
>> ad0f8e0a1f Trac #30601: Move bitset.pxi to bitset_base.pxd
>> 89bf834ab3 Trac #30597: Define a sparse bitset structure
>> c539c2870a Trac #30663: tox.ini: Docker on Mac now needs $HOME too
>> 112d9daff1 Trac #30658: conda-forge-ubuntu-standard: Pillow fails to 
>> install (follow up)
>> 0ef7e3ece8 Trac #30631: fix R on macOS xcode 12
>> 6576814c37 Trac #30603: Upgrade readline to 8.0
>> aa0a6d7b5f Trac #30546: python3 spkg-configure: Only search for 
>> "python3", implement "configure --with-python=/PATH/TO/PYTHON"
>> 6969c604ad Trac #30664: Fixup for "Add quiet mode for bootstrap"
>> ebf4d9cf63 Trac #30662: Update conda package information, and fix 
>> building Sage on conda
>> cbd8e5db72 Trac #29061: Upgrade to symmetrica-3.0.1
>> 99ab61da02 Trac #30596: Outsource functions in bitset.pxi that can be 
>> optimized by intrinsics
>> 97802f668d Trac #30595: Remove deprecated sage.libs.ppl
>> 9ed2f32d19 Trac #30585: Typo ticket: homogenous -> homogeneous
>> 9c205e9694 Trac #30577: remove test file for python3 syntax
>> 0b841a75e6 Trac #30575: add maple conversion for hypergeometric functions
>> de8e68e534 Trac #30572: Remove indirect typecasts when calling bitset.pxi
>> dbd108c10b Trac #30567: remove deprecated things in words
>> b4715d1b68 Trac #30563: Use configuration variable MAXIMA instead of 
>> hardcoding "maxima"
>> 865f3ca815 Trac #30562: Gap downloads from wrong upstream directory
>> cd88566df0 Trac #30548: mention that sometimes it is wolfram, not math 
>> for Mathematica script
>> 7169ec9867 Trac #30547: full flake8 for skew_tableau.py, as an experiment
>> 95712fc6ad Trac #30544: spkg-configure, system package info for tox
>> 2413f7b665 Trac #30523: polynomial_element.pyx: roots: SR: Fix if 
>> determinant is not real
>> 28b594bb6e Trac #30486: Prepare doctests for Arb 2.18
>> 43089d428d Trac #30337: Graphs: obtain distance-regular graphs from 
>> generalised quadrangles
>> 82a9e2d091 Trac #29500: Install all Python packages via pip wheel (or 
>> setup.py bdist_wheel), store wheels in $SAGE_LOCAL/var/lib/sage/wheels
>> 85906ba097 Trac #25119: Fail to integrate sqrt(x^2)/x
>> 5bf821488c Trac #15223: Let the `TestSuite` test that the construction of 
>> a parent returns the parent
>> 501019f5b5 Trac #30610: Fix openblas to build with Xcode 12
>> 19be84362c Trac #30576: Python 3.6: Fix locale/encoding issues in 
>> docbuild, then re-enable Python 3.6
>> af71febd64 Trac #30008: After #30053, sphinx 3.1.2 does not build on 
>> ubuntu-{trusty,xenial,bionic}, debian-jessie, centos-7 (again)
>> 82534f5b92 Trac #30538: some flake8 cleanup in manifolds
>> 3d4a8d2e75 Trac #30533: Add quiet mode for bootstrap
>> 8700f751cf Trac #30532: sage.rings.ideal: Do not import 
>> sage.interfaces.singular at load time
>> 0957fb642a Trac #30526: Irrelevant Example for _polynomial_list at 
>> FP_template.pxi
>> 3d4760ce77 Trac #30522: polynomial_element.pyx: roots: SR: Return value 
>> for vanishing determinant broken
>> 2fd8ef799e Trac #30516: Infinite WeightedIntegerVectors does not coerce 
>> properly
>> e3de8ecdfb Trac #30515: implement string formatting for elements in RR 
>> and CC
>> 6844bbe72a Trac #30514: fix pycodestyle E701/E702 in combinat
>> 6b4b28b893 Trac #30513: fix pycodestyle E401
>> 7314b0db62 Trac #30510: Speed up method subgraph
>> 16b1089743 Trac #30509: Graphs: Faster implementation for HalfCube
>> 15cebad2f0 Trac #30503: src/tox.ini: Add environment codespell
>> 12c246ff72 Trac #30502: typo ticket 09/2020
>> 8543b383c8 Trac #30497: more lgtm-suggested fixed
>> 55568686a8 Trac #30493: bug in border case in highest weight vectors of 
>> tensor product of crystals
>> 12aa127d55 Trac #30492: Provide conversion methods to remove cythonizing 
>> from doctests
>> 49f3450dab Trac #29975: Make numerical and probability doctests ready for 
>> random seeds
>> 055c07e8c6 Trac #28394: comparison of sage rationals with gmpy2 mpq broken
>> e1a7af2252 Trac #26060: Wrong limit(x / (x + 2^x + cos(x)), x=-oo)
>> cd50ac9ea4 Trac #5178: Make LLL_gram also work with Gram matrices with 
>> non-integer entries
>> 69c51603dd Trac #30583: Upgrade: gmpy2 2.1.0.b5
>> 6aa190cdee Trac #30531: Polyhedron_normaliz._triangulate_normaliz should 
>> not use NmzResult directly
>> ff880f9919 Trac #29164: Computing log(0, 2) takes a long time
>> d55e6c9835 Trac #30604: fix scipy for XCode 12
>> 468f23815a (tag: 9.2.beta13) Updated SageMath version to 9.2.beta13
>>
>>

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┌────────────────────────────────────────────────────────────────────┐
│ SageMath version 9.2.beta14, Release Date: 2020-09-30              │
│ Using Python 3.8.6. Type "help()" for help.                        │
└────────────────────────────────────────────────────────────────────┘
┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓
┃ Warning: this is a prerelease version, and it may be unstable.     ┃
┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┛
sage: load('/tmp/sage_shell_modele7b1Q/sage_shell_mode_temp.sage')
sage: load('/tmp/sage_shell_modele7b1Q/sage_shell_mode_temp.sage')
sage: assumptions()
[k < 0]
sage: Sn4=Sn.subs(sqrt(k)==I*sqrt(-k))
------------------------------------------------------------------------
/usr/local/sage-9/local/lib/python3.8/site-packages/cysignals/signals.cpython-38-x86_64-linux-gnu.so(+0x842b)[0x7f8c7ecb642b]
/usr/local/sage-9/local/lib/python3.8/site-packages/cysignals/signals.cpython-38-x86_64-linux-gnu.so(+0x84d9)[0x7f8c7ecb64d9]
/usr/local/sage-9/local/lib/python3.8/site-packages/cysignals/signals.cpython-38-x86_64-linux-gnu.so(+0xac49)[0x7f8c7ecb8c49]
/lib/x86_64-linux-gnu/libpthread.so.0(+0x14140)[0x7f8c81b4e140]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZN5GiNaC2ex20construct_from_basicERKNS_5basicE+0x5)[0x7f8a577c0fc5]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC8function5powerERKNS_2exE+0x318)[0x7f8a577d5d68]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC5power4evalEi+0x854)[0x7f8a57875634]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZN5GiNaC2ex20construct_from_basicERKNS_5basicE+0x8e)[0x7f8a577c104e]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC3mul29combine_ex_with_coeff_to_pairERKNS_2exERKNS_7numericE+0x101)[0x7f8a5784df51]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC9expairseq12evalchildrenEi+0x91)[0x7f8a577cbb01]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC3mul4evalEi+0x8b)[0x7f8a5784aeeb]
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/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC2ex6expandEj+0x32)[0x7f8a577c0702]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC5power6expandEj+0x304)[0x7f8a57873c44]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC2ex6expandEj+0x32)[0x7f8a577c0702]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC5power6expandEj+0x304)[0x7f8a57873c44]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC2ex6expandEj+0x32)[0x7f8a577c0702]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC5power6expandEj+0x304)[0x7f8a57873c44]
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/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC5power6expandEj+0x304)[0x7f8a57873c44]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC2ex6expandEj+0x32)[0x7f8a577c0702]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC5power6expandEj+0x304)[0x7f8a57873c44]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC2ex6expandEj+0x32)[0x7f8a577c0702]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC5power6expandEj+0x304)[0x7f8a57873c44]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC2ex6expandEj+0x32)[0x7f8a577c0702]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC5power6expandEj+0x304)[0x7f8a57873c44]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC2ex6expandEj+0x32)[0x7f8a577c0702]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC5power6expandEj+0x304)[0x7f8a57873c44]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC2ex6expandEj+0x32)[0x7f8a577c0702]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC5power6expandEj+0x304)[0x7f8a57873c44]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC2ex6expandEj+0x32)[0x7f8a577c0702]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC5power6expandEj+0x304)[0x7f8a57873c44]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC2ex6expandEj+0x32)[0x7f8a577c0702]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC5power6expandEj+0x304)[0x7f8a57873c44]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC2ex6expandEj+0x32)[0x7f8a577c0702]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC5power6expandEj+0x304)[0x7f8a57873c44]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC2ex6expandEj+0x32)[0x7f8a577c0702]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC5power6expandEj+0x304)[0x7f8a57873c44]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC2ex6expandEj+0x32)[0x7f8a577c0702]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC5power6expandEj+0x304)[0x7f8a57873c44]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC2ex6expandEj+0x32)[0x7f8a577c0702]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC5power6expandEj+0x304)[0x7f8a57873c44]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC2ex6expandEj+0x32)[0x7f8a577c0702]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC5power6expandEj+0x304)[0x7f8a57873c44]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC2ex6expandEj+0x32)[0x7f8a577c0702]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC5power6expandEj+0x304)[0x7f8a57873c44]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC2ex6expandEj+0x32)[0x7f8a577c0702]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC5power6expandEj+0x304)[0x7f8a57873c44]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC2ex6expandEj+0x32)[0x7f8a577c0702]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC5power6expandEj+0x304)[0x7f8a57873c44]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC2ex6expandEj+0x32)[0x7f8a577c0702]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC5power6expandEj+0x304)[0x7f8a57873c44]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC2ex6expandEj+0x32)[0x7f8a577c0702]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC5power6expandEj+0x304)[0x7f8a57873c44]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC2ex6expandEj+0x32)[0x7f8a577c0702]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC5power6expandEj+0x304)[0x7f8a57873c44]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC2ex6expandEj+0x32)[0x7f8a577c0702]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC5power6expandEj+0x304)[0x7f8a57873c44]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC2ex6expandEj+0x32)[0x7f8a577c0702]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC5power6expandEj+0x304)[0x7f8a57873c44]
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/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC5power6expandEj+0x304)[0x7f8a57873c44]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC2ex6expandEj+0x32)[0x7f8a577c0702]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC5power6expandEj+0x304)[0x7f8a57873c44]
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/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC2ex6expandEj+0x32)[0x7f8a577c0702]
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/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC5power6expandEj+0x304)[0x7f8a57873c44]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC2ex6expandEj+0x32)[0x7f8a577c0702]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC5power6expandEj+0x304)[0x7f8a57873c44]
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/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC2ex6expandEj+0x32)[0x7f8a577c0702]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC5power6expandEj+0x304)[0x7f8a57873c44]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC2ex6expandEj+0x32)[0x7f8a577c0702]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC5power6expandEj+0x304)[0x7f8a57873c44]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC2ex6expandEj+0x32)[0x7f8a577c0702]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC5power6expandEj+0x304)[0x7f8a57873c44]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC2ex6expandEj+0x32)[0x7f8a577c0702]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC5power6expandEj+0x304)[0x7f8a57873c44]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC2ex6expandEj+0x32)[0x7f8a577c0702]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC5power6expandEj+0x304)[0x7f8a57873c44]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC2ex6expandEj+0x32)[0x7f8a577c0702]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC5power6expandEj+0x304)[0x7f8a57873c44]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC2ex6expandEj+0x32)[0x7f8a577c0702]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC5power6expandEj+0x304)[0x7f8a57873c44]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC2ex6expandEj+0x32)[0x7f8a577c0702]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC5power6expandEj+0x304)[0x7f8a57873c44]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC2ex6expandEj+0x32)[0x7f8a577c0702]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC5power6expandEj+0x304)[0x7f8a57873c44]
/usr/local/sage-9/local/lib/libpynac.so.18(_ZNK5GiNaC2ex6expandEj+0x32)[0x7f8a577c0702]
------------------------------------------------------------------------
Attaching gdb to process id 625781.
Cannot find gdb installed
GDB is not installed.
Install gdb for enhanced tracebacks.
------------------------------------------------------------------------
Unhandled SIGSEGV: A segmentation fault occurred.
This probably occurred because a *compiled* module has a bug
in it and is not properly wrapped with sig_on(), sig_off().
Python will now terminate.
------------------------------------------------------------------------
Segmentation fault

Process Sage exited abnormally with code 139

[sage-release] Re: Sage 9.2.beta14 released

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