Re: [sage-release] Sage 8.6.rc1 released

['Justin C. Walker' via sage-release]

> On Jan 12, 2019, at 12:56 , Volker Braun <vbraun.n...@gmail.com> 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
> 
> The final 8.6 should follow real soon, so please give it a whirl!
> 
> 62fe3948ea (tag: 8.6.rc1, trac/develop) Updated SageMath version to 8.6.rc1
> 4c97235a2c Trac #26001: Upgrade p_group_cohomology to version 3.1
> e9df9ef053 Trac #26326: Upgrade networkx to 2.2, add self tests, and update 
> random seed format
> 71f5ae815c (tag: 8.6.rc0) Updated SageMath version to 8.6.rc0

Built w/o problems on fresh clone of the develop tree on three macOS systems.

On 10.11.6 (mid-2015 MBP, Quad-core Core i7) and 10.14.2 (2017 MBP, Quad-core 
Core i7), all tests (‘ptestlong’) passed!

On 10.13.6 (2017 iMac Pro, Xeon W), there was one failure:

  sage -t --long --warn-long 70.8 src/sage/libs/singular/polynomial.pyx

The failure is repeatable when run singly.

Log appended.  I searched Trac, but came up empty.  Is this one known?  I have 
seen this a couple of times.

Justin

================================ doctest failure 
=================================
Running doctests with ID 2019-01-12-16-21-43-8f437b0e.
Git branch: develop
Using --optional=dochtml,gfortran,mpir,python2,sage
Doctesting 1 file.
sage -t --long --warn-long 70.8 src/sage/libs/singular/polynomial.pyx
**********************************************************************
File "src/sage/libs/singular/polynomial.pyx", line 184, in 
sage.libs.singular.polynomial.singular_polynomial_call
Failed example:
    for i in range(30):  # long time
        n = leak(10000)
        print("Leaked {} bytes".format(n))
        if n == 0:
            zeros += 1
            if zeros >= 6:
                break
        else:
            zeros = 0
Expected:
    Leaked...
    Leaked 0 bytes
    Leaked 0 bytes
    Leaked 0 bytes
    Leaked 0 bytes
    Leaked 0 bytes
Got:
    Leaked 107541954560 bytes
    Leaked 356515840 bytes
    Leaked 356515840 bytes
    Leaked 352321536 bytes
    Leaked 12582912 bytes
    Leaked 335544320 bytes
    Leaked 0 bytes
    Leaked 0 bytes
    Leaked 339738624 bytes
    Leaked 0 bytes
    Leaked 0 bytes
    Leaked 0 bytes
    Leaked 25165824 bytes
    Leaked 0 bytes
    Leaked 0 bytes
    Leaked 12582912 bytes
    Leaked 339738624 bytes
    Leaked 339738624 bytes
    Leaked 335544320 bytes
    Leaked 0 bytes
    Leaked 0 bytes
    Leaked 339738624 bytes
    Leaked 12582912 bytes
    Leaked 352321536 bytes
    Leaked 0 bytes
    Leaked 0 bytes
    Leaked 0 bytes
    Leaked 327155712 bytes
    Leaked 0 bytes
    Leaked 0 bytes
**********************************************************************
1 item had failures:
   1 of  12 in sage.libs.singular.polynomial.singular_polynomial_call
    [51 tests, 1 failure, 453.41 s]
----------------------------------------------------------------------
sage -t --long --warn-long 70.8 src/sage/libs/singular/polynomial.pyx  # 1 
doctest failed
----------------------------------------------------------------------
Total time for all tests: 453.4 seconds
    cpu time: 453.2 seconds
    cumulative wall time: 453.4 seconds

============================================================================
--
Justin C. Walker, Curmudgeon-at-Large
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