singular crash

[Vincent Delecroix]

Dear all,

I just set up a patchbot but two tests related to singular fail. The
singular it uses was compiled from source. See the patchbot report
at https://patchbot.sagemath.org/ticket/32859/

sage -t --long --warn-long 42.4
--random-seed=24651699140802493978117085271929917492
src/sage/interfaces/expect.py
**********************************************************************
File "src/sage/interfaces/expect.py", line 915, in
sage.interfaces.expect.Expect._eval_line
Failed example:
singular.interrupt()
Expected:
True
Got:
False
**********************************************************************
File "src/sage/interfaces/expect.py", line 921, in
sage.interfaces.expect.Expect._eval_line
Failed example:
singular('2+3')
Expected:
Singular crashed -- automatically restarting.
5
Got:
5
**********************************************************************
1 item had failures:
2 of 16 in sage.interfaces.expect.Expect._eval_line
[102 tests, 2 failures, 18.08 s]

Best
Vincent

[Volker Braun]

I'm seeing these fail regularly (and randomly)

[Michael Orlitzky]

On Fri, 2021-11-12 at 14:59 -0800, Volker Braun wrote:
> I'm seeing these fail regularly (and randomly)
>
>

Are these system (i.e. non-SPKG) installs of Singular? We're accepting
anything newer than v4.1.0, but if some particular version is buggy we
should exclude it.

[Dima Pasechnik]

I would rather suspect pexpect for being flaky, than a Singular bug.

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