#13864: Configure Python with pydebug when SAGE_DEBUG is set
--------------------------------------------------------------------------+-
Reporter: jpflori |
Owner: jason
Type: task |
Status: needs_work
Priority: major |
Milestone: sage-pending
Component: misc |
Resolution:
Keywords: python spkg |
Work issues: make sure Sage builds and starts
Report Upstream: N/A |
Reviewers: Volker Braun
Authors: Jean-Pierre Flori |
Merged in:
Dependencies: #13865, #13867, #13868, #13876, #13832, #10352, #13878 |
Stopgaps:
--------------------------------------------------------------------------+-
Comment (by SimonKing):
#13878 turns out to be a considerable progress. With MALLOC_CHECK_=3, make
ptest results in only two crashes and one file with three failures.
{{{
sage -t -force_lib "devel/sage/sage/misc/memory_info.py"
**********************************************************************
File
"/home/simon/SAGE/debug/sage-5.6.beta1/devel/sage/sage/misc/memory_info.py",
line 342:
sage: MemoryInfo().available_swap() > 0
Expected:
True
Got:
False
**********************************************************************
File
"/home/simon/SAGE/debug/sage-5.6.beta1/devel/sage/sage/misc/memory_info.py",
line 421:
sage: MemoryInfo().available_swap() > 0
Expected:
True
Got:
False
**********************************************************************
File
"/home/simon/SAGE/debug/sage-5.6.beta1/devel/sage/sage/misc/memory_info.py",
line 203:
sage: MemoryInfo().available_swap() > 0
Expected:
True
Got:
False
**********************************************************************
3 items had failures:
1 of 5 in __main__.example_13
1 of 5 in __main__.example_18
1 of 5 in __main__.example_7
***Test Failed*** 3 failures.
For whitespace errors, see the file
/home/simon/.sage//tmp/memory_info_26498.py
[3.4 s]
----------------------------------------------------------------------
The following tests failed:
sage -t -force_lib "devel/sage/sage/misc/memory_info.py"
Total time for all tests: 3.5 seconds
}}}
I don't know that these errors mean. Is it perhaps the case that a debug
version of Sage does not use swap?
The crashes, with gdb backtraces, are
{{{
sage -t -gdb -force_lib devel/sage/sage/combinat/tiling.py
...
python: sage/combinat/matrices/dancing_links_c.h:217: void
dancing_links::setup_columns(): Assertion `nr_columns > 0' failed.
Program received signal SIGABRT, Aborted.
0x00007ffff6d95d95 in raise () from /lib64/libc.so.6
(gdb) bt
#0 0x00007ffff6d95d95 in raise () from /lib64/libc.so.6
#1 0x00007ffff6d972ab in abort () from /lib64/libc.so.6
#2 0x00007ffff6d8e8fe in __assert_fail_base () from /lib64/libc.so.6
#3 0x00007ffff6d8e9a2 in __assert_fail () from /lib64/libc.so.6
#4 0x00007fffc4260dc2 in dancing_links::setup_columns
(this=0x7fffc047e620) at sage/combinat/matrices/dancing_links_c.h:217
#5 0x00007fffc4261101 in dancing_links::add_rows (this=0x7fffc047e620,
rows=...) at sage/combinat/matrices/dancing_links_c.h:268
#6 0x00007fffc425a51d in
__pyx_pf_4sage_8combinat_8matrices_13dancing_links_20dancing_linksWrapper_14add_rows
(__pyx_v_self=0x7fffc047e600, __pyx_v_rows=0x7fffbd3d21c8)
at sage/combinat/matrices/dancing_links.cpp:2666
#7 0x00007fffc4259c18 in
__pyx_pw_4sage_8combinat_8matrices_13dancing_links_20dancing_linksWrapper_15add_rows
(__pyx_v_self=0x7fffc047e600, __pyx_v_rows=0x7fffbd3d21c8)
at sage/combinat/matrices/dancing_links.cpp:2464
#8 0x00007ffff7a21151 in PyCFunction_Call (func=0x7fffbd2dcb28,
arg=0x7fffbd386e60, kw=0x0) at Objects/methodobject.c:101
#9 0x00007ffff79be33e in PyObject_Call (func=0x7fffbd2dcb28,
arg=0x7fffbd386e60, kw=0x0) at Objects/abstract.c:2529
#10 0x00007fffc4258130 in
__pyx_pf_4sage_8combinat_8matrices_13dancing_links_20dancing_linksWrapper_2__cinit__
(__pyx_v_self=0x7fffc047e600, __pyx_v_rows=0x7fffbd3d21c8)
at sage/combinat/matrices/dancing_links.cpp:2010
#11 0x00007fffc4257e79 in
__pyx_pw_4sage_8combinat_8matrices_13dancing_links_20dancing_linksWrapper_3__cinit__
(__pyx_v_self=0x7fffc047e600, __pyx_args=0x7fffc2ebd920, __pyx_kwds=0x0)
at sage/combinat/matrices/dancing_links.cpp:1946
#12 0x00007fffc425bb28 in
__pyx_tp_new_4sage_8combinat_8matrices_13dancing_links_dancing_linksWrapper
(t=0x7fffc446d000
<__pyx_type_4sage_8combinat_8matrices_13dancing_links_dancing_linksWrapper>,
a=0x7fffc2ebd920, k=0x0) at
sage/combinat/matrices/dancing_links.cpp:3037
#13 0x00007ffff7a4bfe3 in type_call (type=0x7fffc446d000
<__pyx_type_4sage_8combinat_8matrices_13dancing_links_dancing_linksWrapper>,
args=0x7fffc2ebd920, kwds=0x0) at Objects/typeobject.c:721
#14 0x00007ffff79be33e in PyObject_Call (func=0x7fffc446d000
<__pyx_type_4sage_8combinat_8matrices_13dancing_links_dancing_linksWrapper>,
arg=0x7fffc2ebd920, kw=0x0) at Objects/abstract.c:2529
#15 0x00007fffc425af12 in
__pyx_pf_4sage_8combinat_8matrices_13dancing_links_dlx_solver
(__pyx_self=0x0, __pyx_v_rows=0x7fffbd3d21c8) at
sage/combinat/matrices/dancing_links.cpp:2888
#16 0x00007fffc425ae33 in
__pyx_pw_4sage_8combinat_8matrices_13dancing_links_1dlx_solver
(__pyx_self=0x0, __pyx_v_rows=0x7fffbd3d21c8) at
sage/combinat/matrices/dancing_links.cpp:2852
...
}}}
and
{{{
sage -t -gdb -force_lib "devel/sage/sage/rings/polynomial/pbori.pyx"
...
python: groebner/include/polybori/groebner/PolyEntryVector.h:74: virtual
void polybori::groebner::PolyEntryVector::append(const
polybori::groebner::PolyEntry&): Assertion `m_indices.checked(back().lead)
== (size_type)-1' failed.
Program received signal SIGABRT, Aborted.
0x00007ffff6d95d95 in raise () from /lib64/libc.so.6
(gdb) bt
#0 0x00007ffff6d95d95 in raise () from /lib64/libc.so.6
#1 0x00007ffff6d972ab in abort () from /lib64/libc.so.6
#2 0x00007ffff6d8e8fe in __assert_fail_base () from /lib64/libc.so.6
#3 0x00007ffff6d8e9a2 in __assert_fail () from /lib64/libc.so.6
#4 0x00007fffd0dc0073 in
polybori::groebner::PolyEntryVector::append(polybori::groebner::PolyEntry
const&) [clone .part.506] ()
from
/home/simon/SAGE/debug/sage-5.6.beta1/local/lib/libpolybori_groebner-0.8.2.so.0
#5 0x00007fffd0ddc5b9 in
polybori::groebner::FGLMStrategy::FGLMStrategy(polybori::BoolePolyRing
const&, polybori::BoolePolyRing const&,
std::vector<polybori::BoolePolynomial,
std::allocator<polybori::BoolePolynomial> > const&) () from
/home/simon/SAGE/debug/sage-5.6.beta1/local/lib/libpolybori_groebner-0.8.2.so.0
#6 0x00007fffd16fd8b7 in
WrappedPtr<polybori::groebner::FGLMStrategy>::WrappedPtr<polybori::BoolePolyRing,
polybori::BoolePolyRing, std::vector<polybori::BoolePolynomial> >
(this=0x7fffffff9240,
arg1=..., arg2=..., arg3=...) at
/home/simon/SAGE/debug/sage-5.6.beta1/local/include/csage/pb_wrap.h:197
#7 0x00007fffd16a1c5e in
__pyx_pf_4sage_5rings_10polynomial_5pbori_12FGLMStrategy___init__
(__pyx_v_self=0x7fffc284f498, __pyx_v_from_ring=0x3e04420,
__pyx_v_to_ring=0x3d5ca50,
__pyx_v_vec=0x7fffc2851060) at sage/rings/polynomial/pbori.cpp:39777
#8 0x00007fffd16a0e26 in
__pyx_pw_4sage_5rings_10polynomial_5pbori_12FGLMStrategy_1__init__
(__pyx_v_self=0x7fffc284f498, __pyx_args=0x7fffc284b460, __pyx_kwds=0x0)
at sage/rings/polynomial/pbori.cpp:39568
#9 0x00007ffff7a4c0dd in type_call (type=0x7fffd197ec20
<__pyx_type_4sage_5rings_10polynomial_5pbori_FGLMStrategy>,
args=0x7fffc284b460, kwds=0x0) at Objects/typeobject.c:737
#10 0x00007ffff79be33e in PyObject_Call (func=0x7fffd197ec20
<__pyx_type_4sage_5rings_10polynomial_5pbori_FGLMStrategy>,
arg=0x7fffc284b460, kw=0x0) at Objects/abstract.c:2529
#11 0x00007ffff7ac7a58 in do_call (func=0x7fffd197ec20
<__pyx_type_4sage_5rings_10polynomial_5pbori_FGLMStrategy>,
pp_stack=0x7fffffff95a0, na=3, nk=0) at Python/ceval.c:4239
#12 0x00007ffff7ac6d92 in call_function (pp_stack=0x7fffffff95a0, oparg=3)
at Python/ceval.c:4044
#13 0x00007ffff7ac16ba in PyEval_EvalFrameEx (f=0x3ec7250, throwflag=0) at
Python/ceval.c:2666
#14 0x00007ffff7ac40aa in PyEval_EvalCodeEx (co=0x7fffa97d59e0,
globals=0x30f8e00, locals=0x30f8e00, args=0x0, argcount=0, kws=0x0,
kwcount=0, defs=0x0, defcount=0, closure=0x0) at Python/ceval.c:3253
#15 0x00007ffff7ab9a88 in PyEval_EvalCode (co=0x7fffa97d59e0,
globals=0x30f8e00, locals=0x30f8e00) at Python/ceval.c:667
#16 0x00007ffff7ac9693 in exec_statement (f=0x3e03f20,
prog=0x7fffa97d59e0, globals=0x30f8e00, locals=0x30f8e00) at
Python/ceval.c:4718
#17 0x00007ffff7abde26 in PyEval_EvalFrameEx (f=0x3e03f20, throwflag=0) at
Python/ceval.c:1880
...
}}}
I suggest someone (or I, a bit later) opens two new tickets for the two
crashes, and a third for the lack of swap, if that is really an issue
here.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/13864#comment:91>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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