On   04/29/10 - 19:18:03, François Bissey wrote:
> Hello,
>
> Has anyone experienced the following after closing a worksheet and then
> the notebook? I believe I've seen something similar on another
> (sage-4.4) occasion unrelated to the notebook.
>
If you only saw that in sage, that could point to twisted-web2 which is a real piece of garbage abandoned upstream but that sage-notebook doesn't want to let go. If it is not related to the notebook at all, then that's a problem
that could creep into other non-sage apps in my opinion.
Did you use anything special in that worksheet? maxima, etc...?

Francois

Hi François,

There was only plotting in the worksheet. I'm thinking it's something other than the notebook. I ran the test suite on sage-4.4 and there are lots of these backtrace dumps with

        /usr/bin/python2.6: corrupted double-linked list

issues. I reverted back to 4.3.5 in an attempt to get "sane" test results. I'm unable to get the same test results; although there are no backtrace dumps! There has been several upgrades (flint, fplll, sqlalchemy, maxima, ..., etc) since previous tests and, as much as possible, I've reverted back to previous versions but still the tests don't match. The first failing test (sage-4.3.5) that passed previously is

sage -t -force_lib "devel/sage/doc/en/tutorial/tour_advanced.rst"
**********************************************************************
File "/opt/sage/devel/sage/doc/en/tutorial/tour_advanced.rst", line 358:
    sage: G.gens()
Expected:
(Dirichlet character modulo 20 of conductor 4 mapping 11 |--> -1, 17 |--> 1, Dirichlet character modulo 20 of conductor 5 mapping 11 |--> 1, 17 |--> i)
Got:
    ([-1, 1], [1, i])
**********************************************************************

I'd be interested in your 4.4 test results. Maybe there's something I've missed.

Steve

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