On Sun, 22 Jan 2012 16:58:54 Stephen Montgomery-Smith wrote: > On 01/22/2012 04:28 PM, Stephen Montgomery-Smith wrote: > > On 01/22/2012 04:24 PM, François Bissey wrote: > >> On Sun, 22 Jan 2012 15:54:19 Stephen Montgomery-Smith wrote: > >>> On 01/21/2012 08:23 PM, Stephen Montgomery-Smith wrote: > >>>> On 01/21/2012 08:05 PM, Stephen Montgomery-Smith wrote: > >>>>> I am able to build sage on FreeBSD. I have attached a tar file > >>>>> which > >>>>> contains a "port" to build sage on FreeBSD. (FreeBSD users will > >>>>> know > >>>>> what I mean by a "port.") > >>>>> > >>>>> It does seem to work, but it segfaults on exit: > >>>>> > >>>>> %./sage > >>>>> ---------------------------------------------------------------- > >>>>> ------>>>>> > >>>>> | Sage Version 4.8, Release Date: 2012-01-20 | > >>>>> | Type notebook() for the GUI, and license() for information. > >>>>> | | > >>>>> > >>>>> ---------------------------------------------------------------- > >>>>> ------ sage: 1+1 > >>>>> 2 > >>>>> sage: exit > >>>>> Exiting Sage (CPU time 0m0.03s, Wall time 0m6.24s). > >>>>> local/bin/sage-sage: line 303: 22511 Segmentation fault: 11 > >>>>> (core > >>>>> dumped) sage-ipython "$@" -i > >>>>> > >>>>> Any ideas on how to proceed? > >>>> > >>>> I did a "sage -gdb" and it suggests that the problem might be to > >>>> do > >>>> with > >>>> ~Commentator in commentator.C. This is part of the linbox > >>>> subpackage. I did a google and found this: > >>>> http://trac.sagemath.org/sage_trac/ticket/11718 > >>>> > >>>> Does construction and/or deconstruction of Commentator tend to > >>>> cause > >>>> problems? > >>> > >>> I fixed the problem as follows: > >>> > >>> sed -i .bak -e 's/Commentator/Commensator/g' \ > >>> "$SAGE_ROOT"/local/lib/liblinboxsage.so.0 > >>> > >>> That way sage didn't get confused between the Commentator that > >>> appears > >>> in liblinbox and liblinboxsage. > >>> > >>> Now I am getting a different segmentation fault, for which > >>> unfortunately gdb provides no clues. > >> > >> Can you still post what output/debugging info you have? > > > > I am in the process of compiling with the "-g" option set. I'll send you > > the output when this is done. > > The "-g" option didn't seem to help one bit. This is what I got. > > Not all of the subpackages respect CFLAGS or CXXFLAGS. But I don't know > if that is the reason the symbols are not showing up. > > Any advice? >
export SAGE_DEBUG=yes then build. > %./sage -gdb > ---------------------------------------------------------------------- > > | Sage Version 4.8, Release Date: 2012-01-20 | > | Type notebook() for the GUI, and license() for information. | > > ---------------------------------------------------------------------- > /usr/home/stephen/sage/work/sage-4.8/local/bin/sage-ipython > GNU gdb 6.1.1 [FreeBSD] > Copyright 2004 Free Software Foundation, Inc. > GDB is free software, covered by the GNU General Public License, and you are > welcome to change it and/or distribute copies of it under certain > conditions. > Type "show copying" to see the conditions. > There is absolutely no warranty for GDB. Type "show warranty" for details. > This GDB was configured as "amd64-marcel-freebsd"... > [New LWP 100403] > [New Thread 8012041c0 (LWP 100403/initial thread)] > Python 2.6.4 (r264:75706, Jan 22 2012, 22:20:43) > [GCC 4.6.3 20120113 (prerelease)] on freebsd8 > Type "help", "copyright", "credits" or "license" for more information. > sage: > Exiting Sage (CPU time 0m0.02s, Wall time 0m2.62s). > > Program received signal SIGSEGV, Segmentation fault. > [Switching to Thread 8012041c0 (LWP 100403/initial thread)] > 0x0000000000000000 in ?? () > (gdb) backtrace > #0 0x0000000000000000 in ?? () > #1 0x0000000800f1b086 in __cxa_finalize () from /lib/libc.so.7 > #2 0x0000000800ec5787 in exit () from /lib/libc.so.7 That little bit makes me suspect an issue similar to: https://github.com/cschwan/sage-on-gentoo/issues/40 also found on solaris at some point: http://trac.sagemath.org/sage_trac/ticket/11116 Francois -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-devel URL: http://www.sagemath.org
