#14429: Singular omalloc requires 8- byte alignment on SPARC
--------------------------------+-------------------------------------------
Reporter: jdemeyer | Owner: drkirkby
Type: PLEASE CHANGE | Status: new
Priority: major | Milestone: sage-5.10
Component: porting: Solaris | Keywords: SPARC alignment SIGBUS
Work issues: | Report Upstream: N/A
Reviewers: | Authors:
Merged in: | Dependencies:
Stopgaps: |
--------------------------------+-------------------------------------------
On Solaris SPARC:
{{{
buildbot@mark:~/build/sage/mark-1/mark_full/build/sage$ ./sage -t --gdb
--long devel/sage/sage/crypto/mq/sr.py
exec gdb -x "$SAGE_LOCAL/bin/sage-gdb-commands" --args python
"$SAGE_LOCAL/bin/sage-runtests" --serial --long --timeout=0
--stats_path=/home/buildbot/.sage/timings2.jso
n devel/sage/sage/crypto/mq/sr.py
GNU gdb (GDB) 7.5.1
Copyright (C) 2012 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later
<http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "sparc-sun-solaris2.10".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from
/home/buildbot/build/sage/mark-1/mark_full/build/sage-5.9.beta4/local/bin/python...done.
[Thread debugging using libthread_db enabled]
[New Thread 1 (LWP 1)]
Running doctests with ID 2013-04-09-04-41-09-5eaf23f2.
Doctesting 1 file.
sage -t --long devel/sage/sage/crypto/mq/sr.py
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 1 (LWP 1)]
0xf9f743ac in add_to_basis_ideal_quotient (h=0x4f170dc, c=0x4f16b38,
ip=0x0) at tgb.cc:1518
1518 c->weighted_lengths[i] = pQuality (h, c, c->lengths[i]);
(gdb) list
1513 }
1514 else
1515 pNorm (h);
1516 pNormalize (h);
1517
1518 c->weighted_lengths[i] = pQuality (h, c, c->lengths[i]);
1519 c->gcd_of_terms[i] = got;
1520 #ifdef HAVE_BOOST
1521 c->states.push_back (dynamic_bitset <> (i));
1522
(gdb) print c->weighted_lengths
$5 = (wlen_type *) 0x4f4659c
}}}
The problem is that wlen_type is a 64-bit integer which is not correctly
aligned to 8 bytes.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/14429>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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