Le dimanche 11 octobre 2020 17:44:22 UTC+2, Andy Howell a écrit :
>
> Ubuntu 20.04 Incremental build OK, tests failed. Did clean rebuild. These
> two failed:
>
> sage -t --long --warn-long 55.4 --random-seed=0
> src/sage/interfaces/singular.py # Killed due to segmentation fault
>
>
I confirm the singular crash on my Ubuntu 20.04 computer (9.2.rc1 build
incrementally from 9.2.rc0 with system Python (3.8.5) and Singular 4.1.1
installed as a spkg). It is permanent (crashes when run manually). The log
is attached. The doctest was passed with Sage 9.2.rc0.
Eric.
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Running doctests with ID 2020-10-12-09-48-09-d8d02f5a.
Git branch: develop
Using --optional=build,debian,dochtml,memlimit,pip,rubiks,sage,sage_spkg
Doctesting 1 file.
sage -t --long --warn-long 72.7 --random-seed=0 src/sage/interfaces/singular.py
Killed due to segmentation fault
**********************************************************************
Tests run before process (pid=7011) failed:
sage: R1 = singular.ring(0, '(x,y)', 'dp') ## line 65 ##
sage: R1 ## line 66 ##
polynomial ring, over a field, global ordering
// coefficients: QQ
// number of vars : 2
// block 1 : ordering dp
// : names x y
// block 2 : ordering C
sage: f = singular('9x16 - 18x13y2 - 9x12y3 + 9x10y4 - 18x11y2 + 36x8y4 +
18x7y5 - 18x5y6 + 9x6y4 - 18x3y6 - 9x2y7 + 9y8') ## line 73 ##
sage: f ## line 74 ##
9*x^16-18*x^13*y^2-9*x^12*y^3+9*x^10*y^4-18*x^11*y^2+36*x^8*y^4+18*x^7*y^5-18*x^5*y^6+9*x^6*y^4-18*x^3*y^6-9*x^2*y^7+9*y^8
sage: f.parent() ## line 76 ##
Singular
sage: F = f.factorize(); F ## line 81 ##
[1]:
_[1]=9
_[2]=x^6-2*x^3*y^2-x^2*y^3+y^4
_[3]=-x^5+y^2
[2]:
1,1,2
sage: F[1] ## line 91 ##
9,
x^6-2*x^3*y^2-x^2*y^3+y^4,
-x^5+y^2
sage: F[1][2] ## line 95 ##
x^6-2*x^3*y^2-x^2*y^3+y^4
sage: g = f.sage(); g ## line 103 ##
9*x^16 - 18*x^13*y^2 - 9*x^12*y^3 + 9*x^10*y^4 - 18*x^11*y^2 + 36*x^8*y^4 +
18*x^7*y^5 - 18*x^5*y^6 + 9*x^6*y^4 - 18*x^3*y^6 - 9*x^2*y^7 + 9*y^8
sage: F[1][2].sage() ## line 105 ##
x^6 - 2*x^3*y^2 - x^2*y^3 + y^4
sage: g.parent() ## line 107 ##
Multivariate Polynomial Ring in x, y over Rational Field
sage: R2 = singular.ring(0, '(x,y,z)', 'lp') ## line 112 ##
sage: a = singular.new('3x2*(x+y)') ## line 113 ##
sage: b = singular.new('9x*(y2-x2)') ## line 114 ##
sage: g = a.gcd(b) ## line 115 ##
sage: g ## line 116 ##
x^2+x*y
sage: R3 = singular.ring(0, '(a,b,c,d)', 'lp') ## line 121 ##
sage: I = singular.ideal(['a + b + c + d', 'a*b + a*d + b*c + c*d', 'a*b*c +
a*b*d + a*c*d + b*c*d', 'a*b*c*d - 1']) ## line 122 ##
sage: I2 = I.groebner() ## line 123 ##
sage: I2 ## line 124 ##
c^2*d^6-c^2*d^2-d^4+1,
c^3*d^2+c^2*d^3-c-d,
b*d^4-b+d^5-d,
b*c-b*d^5+c^2*d^4+c*d-d^6-d^2,
b^2+2*b*d+d^2,
a+b+c+d
sage: R = singular.ring(0, '(x0,x1,x2)', 'lp') ## line 135 ##
sage: I1 = singular.ideal(['x0*x1*x2 -x0^2*x2',
'x0^2*x1*x2-x0*x1^2*x2-x0*x1*x2^2', 'x0*x1-x0*x2-x1*x2']) ## line 136 ##
sage: I2 = I1.groebner() ## line 137 ##
sage: I2 ## line 138 ##
x1^2*x2^2,
x0*x2^3-x1^2*x2^2+x1*x2^3,
x0*x1-x0*x2-x1*x2,
x0^2*x2-x0*x2^2-x1*x2^2
sage: I2.sage() ## line 143 ##
Ideal (x1^2*x2^2, x0*x2^3 - x1^2*x2^2 + x1*x2^3, x0*x1 - x0*x2 - x1*x2, x0^2*x2
- x0*x2^2 - x1*x2^2) of Multivariate Polynomial Ring in x0, x1, x2 over
Rational Field
sage: R = singular.ring(0, '(x,y,z)', 'dp') ## line 153 ##
sage: f = singular('x3+y3+(x-y)*x2y2+z2') ## line 154 ##
sage: f ## line 155 ##
x^3*y^2-x^2*y^3+x^3+y^3+z^2
sage: R1 = singular.ring(0, '(x,y,z)', 'ds') ## line 157 ##
sage: f = R.fetch(f) ## line 158 ##
sage: f ## line 159 ##
z^2+x^3+y^3+x^3*y^2-x^2*y^3
sage: _=singular.LIB('sing.lib') # assign to _ to suppress printing ## line
164 ##
sage: f.milnor() ## line 165 ##
4
sage: H = f.jacob().jacob() ## line 173 ##
sage: H ## line 174 ##
6*x+6*x*y^2-2*y^3,6*x^2*y-6*x*y^2, 0,
6*x^2*y-6*x*y^2, 6*y+2*x^3-6*x^2*y,0,
0, 0, 2
sage: H.sage() ## line 178 ##
[6*x + 6*x*y^2 - 2*y^3 6*x^2*y - 6*x*y^2 0]
[ 6*x^2*y - 6*x*y^2 6*y + 2*x^3 - 6*x^2*y 0]
[ 0 0 2]
sage: H.det() # This is a polynomial in Singular ## line 182 ##
72*x*y+24*x^4-72*x^3*y+72*x*y^3-24*y^4-48*x^4*y^2+64*x^3*y^3-48*x^2*y^4
sage: H.det().sage() # This is the corresponding polynomial in Sage ## line
184 ##
72*x*y + 24*x^4 - 72*x^3*y + 72*x*y^3 - 24*y^4 - 48*x^4*y^2 + 64*x^3*y^3 -
48*x^2*y^4
sage: H.minor(1) ## line 189 ##
2,
6*y+2*x^3-6*x^2*y,
6*x^2*y-6*x*y^2,
6*x^2*y-6*x*y^2,
6*x+6*x*y^2-2*y^3
sage: H.minor(2) ## line 195 ##
12*y+4*x^3-12*x^2*y,
12*x^2*y-12*x*y^2,
12*x^2*y-12*x*y^2,
12*x+12*x*y^2-4*y^3,
-36*x*y-12*x^4+36*x^3*y-36*x*y^3+12*y^4+24*x^4*y^2-32*x^3*y^3+24*x^2*y^4
sage: _=singular.eval('option(redSB)') ## line 204 ##
sage: H.minor(1).groebner() ## line 205 ##
1
sage: singular.lib('normal.lib') ## line 218 ##
sage: R = singular.ring(0,'(x,y)','dp') ## line 219 ##
sage: i2 = singular.ideal('y9 - x2*(x-1)^9 + x') ## line 220 ##
sage: i2.genus() ## line 221 ##
40
sage: i = singular.ideal('y9 - x2*(x-1)^9') ## line 226 ##
sage: i.genus() ## line 227 ##
0
sage: singular.lib('poly.lib') ## line 243 ##
sage: singular.ring(32003, '(a,b,c,d,e,f)', 'lp') ## line 244 ##
polynomial ring, over a field, global ordering
// coefficients: ZZ/32003
// number of vars : 6
// block 1 : ordering lp
// : names a b c d e f
// block 2 : ordering C
sage: I = singular.ideal('cyclic(6)') ## line 251 ##
sage: g = singular('groebner(I)') ## line 252 ##
sage: singular.quit() ## line 262 ##
sage: singular.lib('poly.lib'); R = singular.ring(32003, '(a,b,c,d,e,f)', 'lp')
## line 263 ##
sage: I = singular.ideal('cyclic(6)') ## line 264 ##
sage: I.groebner() ## line 265 ##
f^48-2554*f^42-15674*f^36+12326*f^30-12326*f^18+15674*f^12+2554*f^6-1,
e^2*f^12-e^2+8509*e*f^43-14542*e*f^37+13226*e*f^31-5572*e*f^25+5016*e*f^19+4550*e*f^13+5252*e*f^7+15564*e*f+8841*f^44-14272*f^38+11150*f^32+11067*f^26+7602*f^20+2780*f^14+4410*f^8+425*f^2,
e^3*f^6+e^3-3808*e^2*f^31-13856*e^2*f^25-13488*e^2*f^19+15788*e^2*f^13-14704*e^2*f^7-1929*e^2*f-2487*e*f^32-8546*e*f^26-7150*e*f^20+1805*e*f^14+9634*e*f^8+6738*e*f^2+12165*f^33-11087*f^27+11895*f^21-8426*f^15+7942*f^9-12491*f^3,
e^6-5081*e^5*f^19-2940*e^5*f^13-6067*e^5*f^7-8211*e^5*f-13957*e^4*f^20-14268*e^4*f^14-5411*e^4*f^8-5097*e^4*f^2+15048*e^3*f^21+12787*e^3*f^15-7422*e^3*f^9-5165*e^3*f^3+11850*e^2*f^22+2913*e^2*f^16+8782*e^2*f^10-14281*e^2*f^4-6637*e*f^23-12315*e*f^17+4810*e*f^11+10485*e*f^5+10771*f^24-1756*f^18-12019*f^12+5843*f^6+5334,
d*f^6-d-7371*e^14*f^5-12397*e^13*f^6-6404*e^13+12116*e^12*f^7+6282*e^12*f+9484*e^11*f^8-1487*e^11*f^2-6543*e^10*f^9-4851*e^10*f^3+5543*e^9*f^10+11709*e^9*f^4-11764*e^8*f^11-11303*e^8*f^5+8706*e^7*f^12-6882*e^7*f^6+2879*e^7-9062*e^6*f^13-7760*e^6*f^7+5911*e^6*f+3321*e^5*f^14-14267*e^5*f^8-11512*e^5*f^2-12448*e^4*f^15-3195*e^4*f^9+14946*e^4*f^3+3230*e^3*f^16+3735*e^3*f^10-12020*e^3*f^4-15884*e^2*f^17+7520*e^2*f^11+2564*e^2*f^5+1232*e*f^18-10599*e*f^12-11636*e*f^6-5046*e+5053*f^19-987*f^13-852*f^7-15970*f,
d*e+8730*d*f^13-8731*d*f^7+6404*e^14+12483*e^13*f+8185*e^12*f^2+9825*e^11*f^3-8026*e^10*f^4-4603*e^9*f^5-5578*e^8*f^6-2879*e^8-10606*e^7*f^7+4088*e^7*f+3367*e^6*f^8-5645*e^6*f^2-11896*e^5*f^9+1849*e^5*f^3+4371*e^4*f^10+11419*e^4*f^4+15164*e^3*f^11-15435*e^3*f^5+7909*e^2*f^12+12688*e^2*f^6+5046*e^2+7412*e*f^13-6472*e*f^7+11906*e*f-3424*f^14+5440*f^8+11014*f^2,
d^3-4218*d^2*e^10*f^3-865*d^2*e^9*f^4-6541*d^2*e^8*f^5-6165*d^2*e^7*f^6-15688*d^2*e^7-3091*d^2*e^6*f^7+11756*d^2*e^6*f+8799*d^2*e^5*f^8-14818*d^2*e^5*f^2+8240*d^2*e^4*f^9+15682*d^2*e^4*f^3-4446*d^2*e^3*f^10-10588*d^2*e^3*f^4+5570*d^2*e^2*f^11+10919*d^2*e^2*f^5-6884*d^2*e*f^6+5046*d^2*e+14108*d^2*f^7-6813*d^2*f+676*d*e^8*f^6+1612*d*e^8+197*d*e^7*f^7+10447*d*e^7*f-10285*d*e^6*f^8-7778*d*e^6*f^2+7286*d*e^5*f^9+11383*d*e^5*f^3+6870*d*e^4*f^10+5888*d*e^4*f^4-7218*d*e^3*f^11-6426*d*e^3*f^5+6241*d*e^2*f^6+1993*d*e^2+10232*d*e*f^7+214*d*e*f+9760*d*f^8-9092*d*f^2+14056*e^5*f^4+11982*e^4*f^5-10229*e^3*f^6-13436*e^2*f^7-4077*e*f^8+1703*f^9,
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b^2+b*d+b*e+2*b*f-c*d+c*f-d*e+d*f+f^2,
a+b+c+d+e+f
sage: t = '"%s"'%10^15000 # 15 thousand character string (note that normal
Singular input must be at most 10000) ## line 287 ##
sage: a = singular.eval(t) ## line 288 ##
sage: a = singular(t) ## line 289 ##
sage: a = 3*singular('2'); a ## line 295 ##
6
sage: type(a) ## line 297 ##
<class 'sage.interfaces.singular.SingularElement'>
sage: a = singular('2')*3; a ## line 299 ##
6
sage: type(a) ## line 301 ##
<class 'sage.interfaces.singular.SingularElement'>
sage: singular.eval("ring testgf9 =
(9,x),(a,b,c,d,e,f),(M((1,2,3,0)),wp(2,3),lp);") ## line 307 ##
''
sage: sig_on_count() # check sig_on/off pairings (virtual doctest) ## line 309
##
0
sage: R = singular.ring(0, '(x0,x1,x2)', 'lp') ## line 357 ##
sage: I = singular.ideal([ 'x0*x1*x2 -x0^2*x2',
'x0^2*x1*x2-x0*x1^2*x2-x0*x1*x2^2', 'x0*x1-x0*x2-x1*x2']) ## line 358 ##
sage: I.groebner() ## line 359 ##
x1^2*x2^2,
x0*x2^3-x1^2*x2^2+x1*x2^3,
x0*x1-x0*x2-x1*x2,
x0^2*x2-x0*x2^2-x1*x2^2
sage: sig_on_count() # check sig_on/off pairings (virtual doctest) ## line 368
##
0
sage: singular == loads(dumps(singular)) ## line 375 ##
True
sage: sig_on_count() # check sig_on/off pairings (virtual doctest) ## line 377
##
0
sage: s = Singular() ## line 411 ##
sage: s.set_seed(1) ## line 412 ##
1
sage: [s.random(1,10) for i in range(5)] ## line 414 ##
[8, 10, 4, 9, 1]
sage: sig_on_count() # check sig_on/off pairings (virtual doctest) ## line 416
##
0
sage: s = Singular() ## line 427 ##
sage: s.is_running() ## line 428 ##
False
sage: s._start() ## line 430 ##
sage: s.is_running() ## line 431 ##
True
sage: s.quit() ## line 433 ##
sage: sig_on_count() # check sig_on/off pairings (virtual doctest) ## line 434
##
0
sage: singular.__reduce__() ## line 453 ##
(<function reduce_load_Singular at 0x7ff131fa4b80>, ())
sage: sig_on_count() # check sig_on/off pairings (virtual doctest) ## line 455
##
0
sage: singular._equality_symbol() ## line 462 ##
'=='
sage: sig_on_count() # check sig_on/off pairings (virtual doctest) ## line 464
##
0
sage: singular._true_symbol() ## line 471 ##
'1'
sage: sig_on_count() # check sig_on/off pairings (virtual doctest) ## line 473
##
0
sage: singular._false_symbol() ## line 480 ##
'0'
sage: sig_on_count() # check sig_on/off pairings (virtual doctest) ## line 482
##
0
sage: singular._quit_string() ## line 489 ##
'quit'
sage: sig_on_count() # check sig_on/off pairings (virtual doctest) ## line 491
##
0
sage: a = singular(1) ## line 503 ##
sage: _ = singular._expect.sendline('1+') # unfinished input ## line 504 ##
sage: try:
alarm(0.5)
singular._expect_expr('>') # interrupt this
except KeyboardInterrupt:
pass ## line 505 ##
Control-C pressed. Interrupting Singular. Please wait a few seconds...
sage: 2*a ## line 514 ##
------------------------------------------------------------------------
/home/eric/sage/9.2.develop/local/lib/python3.8/site-packages/cysignals/signals.cpython-38-x86_64-linux-gnu.so(+0x7e24)[0x7ff170fdfe24]
/home/eric/sage/9.2.develop/local/lib/python3.8/site-packages/cysignals/signals.cpython-38-x86_64-linux-gnu.so(+0x7ff9)[0x7ff170fdfff9]
/home/eric/sage/9.2.develop/local/lib/python3.8/site-packages/cysignals/signals.cpython-38-x86_64-linux-gnu.so(+0xa7af)[0x7ff170fe27af]
/lib/x86_64-linux-gnu/libc.so.6(+0x46210)[0x7ff1729b0210]
/home/eric/sage/9.2.develop/local/lib/python3.8/site-packages/cysignals/signals.cpython-38-x86_64-linux-gnu.so(+0xbc4d)[0x7ff170fe3c4d]
/home/eric/sage/9.2.develop/local/lib/python3.8/site-packages/sage/rings/integer.cpython-38-x86_64-linux-gnu.so(+0x16bc6)[0x7ff16670cbc6]
/home/eric/sage/9.2.develop/local/bin/python3(_PyEval_EvalFrameDefault+0x11b2)[0x56bd02]
/home/eric/sage/9.2.develop/local/bin/python3(_PyEval_EvalCodeWithName+0x26a)[0x56955a]
/home/eric/sage/9.2.develop/local/bin/python3(PyEval_EvalCode+0x27)[0x68c4a7]
/home/eric/sage/9.2.develop/local/bin/python3[0x6004f4]
/home/eric/sage/9.2.develop/local/bin/python3[0x5c4d80]
/home/eric/sage/9.2.develop/local/bin/python3(_PyEval_EvalFrameDefault+0x71e)[0x56b26e]
/home/eric/sage/9.2.develop/local/bin/python3(_PyFunction_Vectorcall+0x1b6)[0x5f7146]
/home/eric/sage/9.2.develop/local/bin/python3(_PyEval_EvalFrameDefault+0x849)[0x56b399]
/home/eric/sage/9.2.develop/local/bin/python3(_PyEval_EvalCodeWithName+0x26a)[0x56955a]
/home/eric/sage/9.2.develop/local/bin/python3(_PyFunction_Vectorcall+0x393)[0x5f7323]
/home/eric/sage/9.2.develop/local/bin/python3(_PyEval_EvalFrameDefault+0x849)[0x56b399]
/home/eric/sage/9.2.develop/local/bin/python3(_PyEval_EvalCodeWithName+0x26a)[0x56955a]
/home/eric/sage/9.2.develop/local/bin/python3(_PyFunction_Vectorcall+0x393)[0x5f7323]
/home/eric/sage/9.2.develop/local/bin/python3(_PyEval_EvalFrameDefault+0x849)[0x56b399]
/home/eric/sage/9.2.develop/local/bin/python3(_PyFunction_Vectorcall+0x1b6)[0x5f7146]
/home/eric/sage/9.2.develop/local/bin/python3(_PyEval_EvalFrameDefault+0x849)[0x56b399]
/home/eric/sage/9.2.develop/local/bin/python3(_PyEval_EvalCodeWithName+0x26a)[0x56955a]
/home/eric/sage/9.2.develop/local/bin/python3(_PyFunction_Vectorcall+0x393)[0x5f7323]
/home/eric/sage/9.2.develop/local/bin/python3[0x59d0fe]
/home/eric/sage/9.2.develop/local/bin/python3(_PyObject_MakeTpCall+0x296)[0x5f46d6]
/home/eric/sage/9.2.develop/local/bin/python3(_PyEval_EvalFrameDefault+0x5969)[0x5704b9]
/home/eric/sage/9.2.develop/local/bin/python3(_PyFunction_Vectorcall+0x1b6)[0x5f7146]
/home/eric/sage/9.2.develop/local/bin/python3(_PyEval_EvalFrameDefault+0x849)[0x56b399]
/home/eric/sage/9.2.develop/local/bin/python3(_PyEval_EvalCodeWithName+0x26a)[0x56955a]
/home/eric/sage/9.2.develop/local/bin/python3[0x50a2c0]
/home/eric/sage/9.2.develop/local/bin/python3(_PyEval_EvalFrameDefault+0x1901)[0x56c451]
/home/eric/sage/9.2.develop/local/bin/python3(_PyFunction_Vectorcall+0x1b6)[0x5f7146]
/home/eric/sage/9.2.develop/local/bin/python3(_PyEval_EvalFrameDefault+0x849)[0x56b399]
/home/eric/sage/9.2.develop/local/bin/python3(_PyFunction_Vectorcall+0x1b6)[0x5f7146]
/home/eric/sage/9.2.develop/local/bin/python3[0x59c95d]
/home/eric/sage/9.2.develop/local/bin/python3(_PyObject_MakeTpCall+0x1ff)[0x5f463f]
/home/eric/sage/9.2.develop/local/bin/python3(_PyEval_EvalFrameDefault+0x5969)[0x5704b9]
/home/eric/sage/9.2.develop/local/bin/python3(_PyFunction_Vectorcall+0x1b6)[0x5f7146]
/home/eric/sage/9.2.develop/local/bin/python3(_PyEval_EvalFrameDefault+0x5736)[0x570286]
/home/eric/sage/9.2.develop/local/bin/python3(_PyFunction_Vectorcall+0x1b6)[0x5f7146]
/home/eric/sage/9.2.develop/local/bin/python3(_PyEval_EvalFrameDefault+0x5736)[0x570286]
/home/eric/sage/9.2.develop/local/bin/python3[0x50a14e]
/home/eric/sage/9.2.develop/local/bin/python3(_PyEval_EvalFrameDefault+0x5736)[0x570286]
/home/eric/sage/9.2.develop/local/bin/python3(_PyEval_EvalCodeWithName+0x26a)[0x56955a]
/home/eric/sage/9.2.develop/local/bin/python3(_PyFunction_Vectorcall+0x393)[0x5f7323]
/home/eric/sage/9.2.develop/local/bin/python3(_PyEval_EvalFrameDefault+0x849)[0x56b399]
/home/eric/sage/9.2.develop/local/bin/python3(_PyEval_EvalCodeWithName+0x26a)[0x56955a]
/home/eric/sage/9.2.develop/local/bin/python3(_PyFunction_Vectorcall+0x393)[0x5f7323]
/home/eric/sage/9.2.develop/local/bin/python3(_PyEval_EvalFrameDefault+0x849)[0x56b399]
/home/eric/sage/9.2.develop/local/bin/python3(_PyFunction_Vectorcall+0x1b6)[0x5f7146]
/home/eric/sage/9.2.develop/local/bin/python3(_PyEval_EvalFrameDefault+0x849)[0x56b399]
/home/eric/sage/9.2.develop/local/bin/python3(_PyFunction_Vectorcall+0x1b6)[0x5f7146]
/home/eric/sage/9.2.develop/local/bin/python3(_PyEval_EvalFrameDefault+0x849)[0x56b399]
/home/eric/sage/9.2.develop/local/bin/python3(_PyFunction_Vectorcall+0x1b6)[0x5f7146]
/home/eric/sage/9.2.develop/local/bin/python3(_PyEval_EvalFrameDefault+0x849)[0x56b399]
/home/eric/sage/9.2.develop/local/bin/python3(_PyEval_EvalCodeWithName+0x26a)[0x56955a]
/home/eric/sage/9.2.develop/local/bin/python3(PyEval_EvalCode+0x27)[0x68c4a7]
/home/eric/sage/9.2.develop/local/bin/python3[0x67bc91]
/home/eric/sage/9.2.develop/local/bin/python3[0x67bd0f]
/home/eric/sage/9.2.develop/local/bin/python3(PyRun_FileExFlags+0x9b)[0x67bdcb]
/home/eric/sage/9.2.develop/local/bin/python3(PyRun_SimpleFileExFlags+0x17e)[0x67de4e]
/home/eric/sage/9.2.develop/local/bin/python3(Py_RunMain+0x212)[0x6b6032]
/home/eric/sage/9.2.develop/local/bin/python3(Py_BytesMain+0x2d)[0x6b63bd]
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf3)[0x7ff1729910b3]
/home/eric/sage/9.2.develop/local/bin/python3(_start+0x2e)[0x5fa4de]
------------------------------------------------------------------------
Attaching gdb to process id 7011.
GNU gdb (Ubuntu 9.2-0ubuntu1~20.04) 9.2
Copyright (C) 2020 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 "x86_64-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
<http://www.gnu.org/software/gdb/documentation/>.
For help, type "help".
Type "apropos word" to search for commands related to "word".
(No debugging symbols found in /usr/bin/python3.8)
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
(No debugging symbols found in /lib/x86_64-linux-gnu/libexpat.so.1)
(No debugging symbols found in /lib/x86_64-linux-gnu/libz.so.1)
(No debugging symbols found in /lib64/ld-linux-x86-64.so.2)
(No debugging symbols found in
/usr/lib/python3.8/lib-dynload/resource.cpython-38-x86_64-linux-gnu.so)
(No debugging symbols found in
/usr/lib/python3.8/lib-dynload/_opcode.cpython-38-x86_64-linux-gnu.so)
(No debugging symbols found in
/usr/lib/python3.8/lib-dynload/_json.cpython-38-x86_64-linux-gnu.so)
(No debugging symbols found in
/usr/lib/python3.8/lib-dynload/_bz2.cpython-38-x86_64-linux-gnu.so)
(No debugging symbols found in /lib/x86_64-linux-gnu/libbz2.so.1.0)
(No debugging symbols found in /lib/x86_64-linux-gnu/libgmp.so.10)
(No debugging symbols found in
/usr/lib/python3.8/lib-dynload/_hashlib.cpython-38-x86_64-linux-gnu.so)
(No debugging symbols found in /lib/x86_64-linux-gnu/libcrypto.so.1.1)
(No debugging symbols found in
/usr/lib/python3.8/lib-dynload/_ssl.cpython-38-x86_64-linux-gnu.so)
(No debugging symbols found in /lib/x86_64-linux-gnu/libssl.so.1.1)
(No debugging symbols found in
/usr/lib/python3.8/lib-dynload/_contextvars.cpython-38-x86_64-linux-gnu.so)
(No debugging symbols found in
/usr/lib/python3.8/lib-dynload/_asyncio.cpython-38-x86_64-linux-gnu.so)
(No debugging symbols found in /lib/x86_64-linux-gnu/libpari-gmp-tls.so.6)
(No debugging symbols found in /lib/x86_64-linux-gnu/libgcc_s.so.1)
(No debugging symbols found in /lib/x86_64-linux-gnu/libmpc.so.3)
(No debugging symbols found in /lib/x86_64-linux-gnu/libmpfr.so.6)
(No debugging symbols found in
/usr/lib/python3.8/lib-dynload/_decimal.cpython-38-x86_64-linux-gnu.so)
(No debugging symbols found in /lib/x86_64-linux-gnu/libmpdec.so.2)
(No debugging symbols found in
/usr/lib/python3.8/lib-dynload/_lzma.cpython-38-x86_64-linux-gnu.so)
(No debugging symbols found in /lib/x86_64-linux-gnu/liblzma.so.5)
(No debugging symbols found in
/usr/lib/python3.8/lib-dynload/_ctypes.cpython-38-x86_64-linux-gnu.so)
(No debugging symbols found in /lib/x86_64-linux-gnu/libffi.so.7)
(No debugging symbols found in
/usr/lib/python3.8/lib-dynload/mmap.cpython-38-x86_64-linux-gnu.so)
(No debugging symbols found in
/usr/lib/python3.8/lib-dynload/_multiprocessing.cpython-38-x86_64-linux-gnu.so)
(No debugging symbols found in
/usr/lib/python3.8/lib-dynload/_queue.cpython-38-x86_64-linux-gnu.so)
(No debugging symbols found in
/usr/lib/python3.8/lib-dynload/termios.cpython-38-x86_64-linux-gnu.so)
(No debugging symbols found in
/usr/lib/python3.8/lib-dynload/_sqlite3.cpython-38-x86_64-linux-gnu.so)
(No debugging symbols found in /lib/x86_64-linux-gnu/libsqlite3.so.0)
(No debugging symbols found in
/usr/lib/python3.8/lib-dynload/_lsprof.cpython-38-x86_64-linux-gnu.so)
(No debugging symbols found in /lib/x86_64-linux-gnu/libflint-arb.so.2)
(No debugging symbols found in /lib/x86_64-linux-gnu/libflint-2.5.2.so)
(No debugging symbols found in /lib/x86_64-linux-gnu/libntl.so.43)
(No debugging symbols found in /lib/x86_64-linux-gnu/libstdc++.so.6)
(No debugging symbols found in /lib/x86_64-linux-gnu/libgf2x.so.3)
(No debugging symbols found in /lib/x86_64-linux-gnu/libopenblas.so.0)
(No debugging symbols found in /lib/x86_64-linux-gnu/libgfortran.so.5)
(No debugging symbols found in /lib/x86_64-linux-gnu/libquadmath.so.0)
(No debugging symbols found in
/usr/lib/python3.8/lib-dynload/_uuid.cpython-38-x86_64-linux-gnu.so)
(No debugging symbols found in /lib/x86_64-linux-gnu/libuuid.so.1)
(No debugging symbols found in /lib/x86_64-linux-gnu/libfreetype.so.6)
(No debugging symbols found in /lib/x86_64-linux-gnu/libpng16.so.16)
(No debugging symbols found in /lib/x86_64-linux-gnu/libgsl.so.23)
(No debugging symbols found in /lib/x86_64-linux-gnu/libgslcblas.so.0)
(No debugging symbols found in /lib/x86_64-linux-gnu/libmpfi.so.0)
(No debugging symbols found in /lib/x86_64-linux-gnu/libsymmetrica.so.2)
(No debugging symbols found in /lib/x86_64-linux-gnu/libgivaro.so.9)
(No debugging symbols found in /lib/x86_64-linux-gnu/libgmpxx.so.4)
(No debugging symbols found in /lib/x86_64-linux-gnu/libblas.so.3)
(No debugging symbols found in /lib/x86_64-linux-gnu/libgomp.so.1)
(No debugging symbols found in /lib/x86_64-linux-gnu/libiml.so.0)
(No debugging symbols found in /lib/x86_64-linux-gnu/libcblas.so.3)
(No debugging symbols found in /lib/x86_64-linux-gnu/libatlas.so.3)
(No debugging symbols found in /lib/x86_64-linux-gnu/libm4ri-0.0.20200125.so)
(No debugging symbols found in /lib/x86_64-linux-gnu/libgd.so.3)
(No debugging symbols found in /lib/x86_64-linux-gnu/libfontconfig.so.1)
(No debugging symbols found in /lib/x86_64-linux-gnu/libjpeg.so.8)
(No debugging symbols found in /lib/x86_64-linux-gnu/libXpm.so.4)
(No debugging symbols found in /lib/x86_64-linux-gnu/libtiff.so.5)
(No debugging symbols found in /lib/x86_64-linux-gnu/libwebp.so.6)
(No debugging symbols found in /lib/x86_64-linux-gnu/libX11.so.6)
(No debugging symbols found in /lib/x86_64-linux-gnu/libzstd.so.1)
(No debugging symbols found in /lib/x86_64-linux-gnu/libjbig.so.0)
(No debugging symbols found in /lib/x86_64-linux-gnu/libxcb.so.1)
(No debugging symbols found in /lib/x86_64-linux-gnu/libXau.so.6)
(No debugging symbols found in /lib/x86_64-linux-gnu/libXdmcp.so.6)
(No debugging symbols found in /lib/x86_64-linux-gnu/libbsd.so.0)
(No debugging symbols found in /lib/x86_64-linux-gnu/libm4rie-0.0.20200125.so)
(No debugging symbols found in
/home/eric/sage/9.2.develop/local/lib/libSingular-4.1.1.so)
(No debugging symbols found in
/home/eric/sage/9.2.develop/local/lib/libpolys-4.1.1.so)
(No debugging symbols found in
/home/eric/sage/9.2.develop/local/lib/libfactory-4.1.1.so)
(No debugging symbols found in
/home/eric/sage/9.2.develop/local/lib/libsingular_resources-4.1.1.so)
(No debugging symbols found in /lib/x86_64-linux-gnu/libreadline.so.8)
(No debugging symbols found in /lib/x86_64-linux-gnu/libtinfo.so.6)
(No debugging symbols found in
/home/eric/sage/9.2.develop/local/bin/../libexec/singular/MOD/singmathic.so)
(No debugging symbols found in
/home/eric/sage/9.2.develop/local/bin/../libexec/singular/MOD/p_Procs_FieldIndep.so)
(No debugging symbols found in /lib/x86_64-linux-gnu/libbrial.so.3)
(No debugging symbols found in /lib/x86_64-linux-gnu/libbrial_groebner.so.3)
(No debugging symbols found in /lib/x86_64-linux-gnu/librw.so.0)
(No debugging symbols found in /lib/libcliquer.so.1)
(No debugging symbols found in /lib/x86_64-linux-gnu/libzn_poly-0.9.so)
(No debugging symbols found in /lib/x86_64-linux-gnu/libppl.so.14)
(No debugging symbols found in /lib/x86_64-linux-gnu/liblrcalc.so.1)
(No debugging symbols found in
/usr/lib/python3.8/lib-dynload/audioop.cpython-38-x86_64-linux-gnu.so)
(No debugging symbols found in /lib/x86_64-linux-gnu/libzmq.so.5)
(No debugging symbols found in /lib/x86_64-linux-gnu/libsodium.so.23)
(No debugging symbols found in /lib/x86_64-linux-gnu/libpgm-5.2.so.0)
(No debugging symbols found in /lib/x86_64-linux-gnu/libnorm.so.1)
(No debugging symbols found in /lib/x86_64-linux-gnu/libgssapi_krb5.so.2)
(No debugging symbols found in /lib/x86_64-linux-gnu/libkrb5.so.3)
(No debugging symbols found in /lib/x86_64-linux-gnu/libk5crypto.so.3)
(No debugging symbols found in /lib/x86_64-linux-gnu/libcom_err.so.2)
(No debugging symbols found in /lib/x86_64-linux-gnu/libkrb5support.so.0)
(No debugging symbols found in /lib/x86_64-linux-gnu/libkeyutils.so.1)
(No debugging symbols found in
/usr/lib/python3.8/lib-dynload/_curses.cpython-38-x86_64-linux-gnu.so)
(No debugging symbols found in /lib/x86_64-linux-gnu/libncursesw.so.6)
(No debugging symbols found in
/usr/lib/python3.8/lib-dynload/readline.cpython-38-x86_64-linux-gnu.so)
0x00007ff172a4fdff in __GI___wait4 (pid=7031, stat_loc=stat_loc@entry=0x0,
options=options@entry=0, usage=usage@entry=0x0) at
../sysdeps/unix/sysv/linux/wait4.c:27
Stack backtrace
---------------
options=options@entry=0, usage=usage@entry=0x0) at
../sysdeps/unix/sysv/linux/wait4.c:27
resultvar = 18446744073709551104
sc_cancel_oldtype = 0
sc_ret = <optimized out>
#1 0x00007ff172a4fd7b in __GI___waitpid (pid=<optimized out>,
stat_loc=stat_loc@entry=0x0,
options=options@entry=0) at waitpid.c:38
No locals.
#2 0x00007ff170fdfef4 in print_enhanced_backtrace () at
build/src/cysignals/implementation.c:563
parent_pid = 7011
pid = <optimized out>
#3 0x00007ff170fe0036 in sigdie (sig=sig@entry=11,
s=s@entry=0x7ff170feaa30 "Unhandled SIGSEGV: A segmentation fault
occurred.")
at build/src/cysignals/implementation.c:589
No locals.
#4 0x00007ff170fe27af in sigdie_for_sig (inside=0, sig=11)
at build/src/cysignals/implementation.c:164
No locals.
#5 cysigs_signal_handler (sig=11) at build/src/cysignals/implementation.c:262
inside = <optimized out>
#6 <signal handler called>
No locals.
#7 __pyx_f_9cysignals_7signals_verify_exc_value () at
build/src/cysignals/signals.c:3736
__pyx_v_handled = 0x0
__pyx_t_1 = <error reading variable __pyx_t_1 (Cannot access memory at
address 0x0)>
__pyx_t_2 = <optimized out>
__pyx_t_3 = <optimized out>
__pyx_t_4 = <optimized out>
__pyx_t_5 = 0x0
__pyx_t_6 = 0x0
__pyx_t_7 = <optimized out>
__pyx_t_8 = 0x0
__pyx_lineno = <optimized out>
__pyx_filename = <optimized out>
__pyx_clineno = <optimized out>
#8 0x00007ff16670cbc6 in __pyx_f_9cysignals_7signals_sig_occurred ()
at build/cythonized/sage/rings/integer.c:46942
__pyx_r = <optimized out>
__pyx_t_1 = <optimized out>
__pyx_r = <optimized out>
__pyx_t_1 = <optimized out>
#9 __pyx_f_4sage_5rings_7integer_fast_tp_dealloc (__pyx_v_o=0x7ff124b8cab0)
at build/cythonized/sage/rings/integer.c:45272
__pyx_v_o_mpz = 0x7ff124b8cad0
__pyx_t_1 = <optimized out>
#10 0x000000000056bd02 in _PyEval_EvalFrameDefault ()
No symbol table info available.
#11 0x000000000056955a in _PyEval_EvalCodeWithName ()
No symbol table info available.
#12 0x000000000068c4a7 in PyEval_EvalCode ()
No symbol table info available.
#13 0x00000000006004f4 in ?? ()
No symbol table info available.
#14 0x00000000005c4d80 in ?? ()
No symbol table info available.
#15 0x000000000056b26e in _PyEval_EvalFrameDefault ()
No symbol table info available.
#16 0x00000000005f7146 in _PyFunction_Vectorcall ()
No symbol table info available.
#17 0x000000000056b399 in _PyEval_EvalFrameDefault ()
No symbol table info available.
#18 0x000000000056955a in _PyEval_EvalCodeWithName ()
No symbol table info available.
#19 0x00000000005f7323 in _PyFunction_Vectorcall ()
No symbol table info available.
#20 0x000000000056b399 in _PyEval_EvalFrameDefault ()
No symbol table info available.
#21 0x000000000056955a in _PyEval_EvalCodeWithName ()
No symbol table info available.
#22 0x00000000005f7323 in _PyFunction_Vectorcall ()
No symbol table info available.
#23 0x000000000056b399 in _PyEval_EvalFrameDefault ()
No symbol table info available.
#24 0x00000000005f7146 in _PyFunction_Vectorcall ()
No symbol table info available.
#25 0x000000000056b399 in _PyEval_EvalFrameDefault ()
No symbol table info available.
#26 0x000000000056955a in _PyEval_EvalCodeWithName ()
No symbol table info available.
#27 0x00000000005f7323 in _PyFunction_Vectorcall ()
No symbol table info available.
#28 0x000000000059d0fe in ?? ()
No symbol table info available.
#29 0x00000000005f46d6 in _PyObject_MakeTpCall ()
No symbol table info available.
#30 0x00000000005704b9 in _PyEval_EvalFrameDefault ()
No symbol table info available.
#31 0x00000000005f7146 in _PyFunction_Vectorcall ()
No symbol table info available.
#32 0x000000000056b399 in _PyEval_EvalFrameDefault ()
No symbol table info available.
#33 0x000000000056955a in _PyEval_EvalCodeWithName ()
No symbol table info available.
#34 0x000000000050a2c0 in ?? ()
No symbol table info available.
#35 0x000000000056c451 in _PyEval_EvalFrameDefault ()
No symbol table info available.
#36 0x00000000005f7146 in _PyFunction_Vectorcall ()
No symbol table info available.
#37 0x000000000056b399 in _PyEval_EvalFrameDefault ()
No symbol table info available.
#38 0x00000000005f7146 in _PyFunction_Vectorcall ()
No symbol table info available.
#39 0x000000000059c95d in ?? ()
No symbol table info available.
#40 0x00000000005f463f in _PyObject_MakeTpCall ()
No symbol table info available.
#41 0x00000000005704b9 in _PyEval_EvalFrameDefault ()
No symbol table info available.
#42 0x00000000005f7146 in _PyFunction_Vectorcall ()
No symbol table info available.
#43 0x0000000000570286 in _PyEval_EvalFrameDefault ()
No symbol table info available.
#44 0x00000000005f7146 in _PyFunction_Vectorcall ()
No symbol table info available.
#45 0x0000000000570286 in _PyEval_EvalFrameDefault ()
No symbol table info available.
#46 0x000000000050a14e in ?? ()
No symbol table info available.
#47 0x0000000000570286 in _PyEval_EvalFrameDefault ()
No symbol table info available.
#48 0x000000000056955a in _PyEval_EvalCodeWithName ()
No symbol table info available.
#49 0x00000000005f7323 in _PyFunction_Vectorcall ()
No symbol table info available.
#50 0x000000000056b399 in _PyEval_EvalFrameDefault ()
No symbol table info available.
#51 0x000000000056955a in _PyEval_EvalCodeWithName ()
No symbol table info available.
#52 0x00000000005f7323 in _PyFunction_Vectorcall ()
No symbol table info available.
#53 0x000000000056b399 in _PyEval_EvalFrameDefault ()
No symbol table info available.
#54 0x00000000005f7146 in _PyFunction_Vectorcall ()
No symbol table info available.
#55 0x000000000056b399 in _PyEval_EvalFrameDefault ()
No symbol table info available.
#56 0x00000000005f7146 in _PyFunction_Vectorcall ()
No symbol table info available.
#57 0x000000000056b399 in _PyEval_EvalFrameDefault ()
No symbol table info available.
#58 0x00000000005f7146 in _PyFunction_Vectorcall ()
No symbol table info available.
#59 0x000000000056b399 in _PyEval_EvalFrameDefault ()
No symbol table info available.
#60 0x000000000056955a in _PyEval_EvalCodeWithName ()
No symbol table info available.
#61 0x000000000068c4a7 in PyEval_EvalCode ()
No symbol table info available.
#62 0x000000000067bc91 in ?? ()
No symbol table info available.
#63 0x000000000067bd0f in ?? ()
No symbol table info available.
#64 0x000000000067bdcb in PyRun_FileExFlags ()
No symbol table info available.
#65 0x000000000067de4e in PyRun_SimpleFileExFlags ()
No symbol table info available.
#66 0x00000000006b6032 in Py_RunMain ()
No symbol table info available.
#67 0x00000000006b63bd in Py_BytesMain ()
No symbol table info available.
#68 0x00007ff1729910b3 in __libc_start_main (main=0x4eea30 <main>, argc=5,
argv=0x7ffc2055d798,
init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>,
stack_end=0x7ffc2055d788) at ../csu/libc-start.c:308
self = <optimized out>
result = <optimized out>
unwind_buf = {cancel_jmp_buf = {{jmp_buf = {7037904,
7124160817851883628, 6268080,
140720850982800, 0, 0, -7122906602265288596,
-7116532151484456852},
mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x5,
0x7ffc2055d798}, data = {
prev = 0x0, cleanup = 0x0, canceltype = 5}}}
not_first_call = <optimized out>
#69 0x00000000005fa4de in _start ()
No symbol table info available.
[Inferior 1 (process 7011) detached]
27 ../sysdeps/unix/sysv/linux/wait4.c: Aucun fichier ou dossier de ce type.
Traceback (most recent call last):
File "<string>", line 25, in <module>
ModuleNotFoundError: No module named 'Cython'
Error while executing Python code.
Saved trace to /home/eric/.sage/crash_logs/crash_cjuif45a.log
------------------------------------------------------------------------
Unhandled SIGSEGV: A segmentation fault occurred.
This probably occurred because a *compiled* module has a bug
in it and is not properly wrapped with sig_on(), sig_off().
Python will now terminate.
------------------------------------------------------------------------
**********************************************************************
----------------------------------------------------------------------
sage -t --long --warn-long 72.7 --random-seed=0 src/sage/interfaces/singular.py
# Killed due to segmentation fault
----------------------------------------------------------------------
Total time for all tests: 8.0 seconds
cpu time: 0.0 seconds
cumulative wall time: 0.0 seconds
