On an iMac Pro (some Intel chip), the first failure
(rings/polynomial/multi_polynomial_ideal.py) is also related to giac:
sage: A9=PolynomialRing(QQ,9,'x') ## line 4225 ##
sage: I9=sage.rings.ideal.Katsura(A9) ## line 4226 ##
sage: print("possible output from giac", flush=True);
I9.groebner_basis("giac",proba_epsilon=1e-7) # long time (3s) ## line 4227
##
possible output from giac
------------------------------------------------------------------------
0 signals.cpython-311-darwin.so 0x000000010edc1582 print_backtrace
+ 66
1 signals.cpython-311-darwin.so 0x000000010edc40b3 sigdie + 67
2 signals.cpython-311-darwin.so 0x000000010edc3fa9
cysigs_signal_handler + 505
3 libsystem_platform.dylib 0x00007ff81a2185ed _sigtramp + 29
4 ??? 0x0000000000000000 0x0 + 0
5 libgiac.0.dylib 0x00000001780b7e7e
_ZN4giac10do_zbuildMINS_8tdeg_t14EEEvRKNS_12vectzpolymodIT_EERKNSt3__16vectorIjNS7_9allocatorIjEEEEibRKNS8_INS8_IS3_NS9_IS3_EEEENS9_ISF_EEEERKSF_RKNS8_IiNS9_IiEEEEPvRNS8_INS_12coeffindex_tENS9_ISR_EEEEjRNS8_INS8_ItNS9_ItEEEENS9_ISW_EEEERNS8_ISN_NS9_ISN_EEEERNS8_INS_14sparse_elementENS9_IS13_EEEEiii
+ 334
6 libgiac.0.dylib 0x00000001780b7d12
_ZN4giac8zbuildM_INS_8tdeg_t14EEEPvS2_ + 114
7 libsystem_pthread.dylib 0x00007ff81a1eb1d3 _pthread_start +
125
8 libsystem_pthread.dylib 0x00007ff81a1e6bd3 thread_start + 15
------------------------------------------------------------------------
Unhandled SIGSEGV during signal handling.
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.
-----------------------------------------------
The second one (giac/__init__.py) times out. The log file says
Tests run before process (pid=64629) timed out:
sage: from sage.libs.giac import groebner_basis as gb_giac # random ## line
15 ##
sage: P = PolynomialRing(QQ, 6, 'x') ## line 16 ##
sage: I = sage.rings.ideal.Cyclic(P) ## line 17 ##
sage: B = gb_giac(I.gens()) # random ## line 18 ##
On Monday, May 15, 2023 at 6:05:25 PM UTC-7 Kwankyu Lee wrote:
> On Tuesday, May 16, 2023 at 6:13:03 AM UTC+9 John H Palmieri wrote:
>
> I consistently see these failures on various OS X machines:
>
> sage -t --long --random-seed=244618093388694547212515065258622925284
> src/sage/rings/polynomial/multi_polynomial_ideal.py # 1 doctest failed
> sage -t --long --random-seed=244618093388694547212515065258622925284
> src/sage/libs/giac/__init__.py # Timed out
>
> I've seen these reported after earlier releases. Is there a ticket?
>
>
> For me, they pass with SageMath version 10.0.rc2. I am on macOS 12.6.5
> with Intel Xeon E5.
>
> What is the failed doctest?
>
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