#3746: segfault in dist_factor.py
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Reporter: was | Owner: gfurnish
Type: defect | Status: assigned
Priority: blocker | Milestone: sage-3.2.2
Component: dsage | Resolution:
Keywords: |
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Changes (by gfurnish):
* owner: yi => gfurnish
* status: new => assigned
Comment:
I mentioned in #4745 that the second of the three patches might fix this
-- here is what I think happened to cause this. The race condition in
question caused dsage to read in a pickled object from a file before it
was done being written to the file. This caused mysterious failures at
best and segfaults at worse. With #4745 applied I ran these doctests for
10200 iterations (~7 hours) without a single doctest failure. I think
that #4745 kills this heisenbug.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/3746#comment:2>
Sage <http://sagemath.org/>
Sage - Open Source Mathematical Software: Building the Car Instead of
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