I've created a trac ticket for this (http://trac.sagemath.org/
sage_trac/ticket/10100).

David

On 8 Oct, 08:16, Johannes <dajo.m...@web.de> wrote:
> that's the only test wich fails:
> The following tests failed:
>         sage -t  "devel/sage/sage/graphs/schnyder.py"
>
> I dont think that there is any connection to my problem.
>
> greatz Johannes
>
> Am 07.10.2010 20:06, schrieb mhampton:
>
> > Those commands work for me on linux (ubuntu 9.10, intel i7 860) and OS
> > X 10.6.  Maybe you could run all the standard tests for sage (sage -t
> > $SAGE_ROOT/devel/sage/sage), that might help narrow the problem down.
>
> > -M. Hampton
>
> >> On 7 Okt., 17:31, Johannes <dajo.m...@web.de> wrote:
>
> >>> Hi list,
> >>> i got my sage crashed once again:
>
> >>> sage: a,b,c= var('a,b,c')
> >>> sage: mprime = matrix([[01,b+1,2],[a+1,2,1],[2,1,c+1]])
> >>> sage: cp = mprime.charpoly()
> >>> sage: cp.real_roots()
> >>> *** glibc detected *** python: free(): invalid pointer: 0x00541bfc ***
>
>

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