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z=From:=20Christopher=20Schwan=20<cschwan@students.uni-mai
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=20Re:=20[gentoo-science]=20[sage-on-gentoo]=20Sage-4.5.3
=20segmentation=20fault|Date:=20Wed,=2027=20Oct=202010=20
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From: Christopher Schwan <cschwan@students.uni-mainz.de>
To: <gentoo-science@lists.gentoo.org>
Subject: Re: [gentoo-science] [sage-on-gentoo] Sage-4.5.3 segmentation fault
Date: Wed, 27 Oct 2010 10:07:25 +0200
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References: <20101026123223.d0b84170.v_2e@ukr.net> <201010270845.00339.f.r.bissey@massey.ac.nz> <20101026231412.291361f7.v_2e@ukr.net>
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Hi,
On Tuesday 26 October 2010 22:14:12 v_2e@ukr.net wrote:
> On Wed, 27 Oct 2010 08:45:00 +1300
>=20
> Fran=C3=A7ois Bissey <f.r.bissey@massey.ac.nz> wrote:
> > I believe you may be the first person to try out python 2.6.6 with sage.
> > You may need to rebuild cython-0.12.1 (don't use 0.13) possibly numpy,
> > scipy, pexpect, ipython, matplotlib, mpmath, sympy, pynac, networx,
> > sphinx and then rebuild sage-clib and sage itself again. There may be
> > more but any one of these could be at fault.
>=20
> I have rebuilt Cython-0.12.1 today just before starting this thread.
> So, this is not because of Cython, I guess. I'll try to rebuild the
> packages you mentioned one by one and find the one causing the
> segfault. And then report back here.
If you do not find anything, please try the following:
USE=3Ddebug emerge -1 sage-baselayout
Also, make sure that the GNU Debugger is installed (emerge gdb). You may no=
w=20
start Sage with
sage -gdb
which spawns Sage in a gdb session. Sage will crash just as before, but you=
=20
may retrieve a backtrace via typing
bt
That output would be interesting and may directly lead us to the root of th=
e=20
problem.
>=20
> Regards,
> Vladimir
>=20
> -----
> <v_2e@ukr.net>
Cheers,
Christopher