#14098: zn_poly-0.9.p9 fails at least one its tests on power7
-----------------------+----------------------------------------------------
Reporter: fbissey | Owner: drkirkby
Type: defect | Status: new
Priority: major | Milestone: sage-5.7
Component: porting | Keywords:
Work issues: | Report Upstream: N/A
Reviewers: | Authors:
Merged in: | Dependencies:
Stopgaps: |
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On the login node of our power7 cluster (beatrice) zn_poly fails make
check
{{{
(sage-sh) frb15@p2n14-c:src$ make check
test/test -quick all
mpn_smp_basecase()... ok
mpn_smp_kara()... make: *** [check] Segmentation fault (core dumped)
}}}
Here is a detailed backtrace
{{{
(gdb) r mpn_smp_kara
Starting program:
/hpc/scratch/frb15/sandbox/sage-5.7.beta4/spkg/build/zn_poly-0.9.p9/src/test/test
mpn_smp_kara
mpn_smp_kara()...
Program received signal SIGSEGV, Segmentation fault.
0x00000400000dd3f0 in gmp_rrandomb (rp=0x0, rstate=0x40000134db8,
nbits=17779444199848231480) at random2.c:67
67 random2.c: No such file or directory.
in random2.c
(gdb) bt
#0 0x00000400000dd3f0 in gmp_rrandomb (rp=0x0, rstate=0x40000134db8,
nbits=17779444199848231480) at random2.c:67
#1 0x00000400000dd360 in __gmpn_random2 (rp=0x0, n=-5198573331259894519)
at random2.c:54
#2 0x000000001002c634 in ZNP_mpn_random2 (res=0x0,
n=13248170742449657097) at test/support.c:107
#3 0x0000000010027224 in testcase_mpn_smp_kara (n=6624085371224828549) at
test/mpn_mulmid-test.c:89
#4 0x0000000010027434 in test_mpn_smp_kara (quick=0) at test/mpn_mulmid-
test.c:125
#5 0x00000000100210dc in run_test (target=0x10041488, quick=0) at
test/test.c:187
#6 0x0000000010021450 in main (argc=2, argv=0xfffffffe5a8) at
test/test.c:235
(gdb) bt full
#0 0x00000400000dd3f0 in gmp_rrandomb (rp=0x0, rstate=0x40000134db8,
nbits=17779444199848231480) at random2.c:67
bi = 4398113622176
ranm = 268711088
cap_chunksize = 0
chunksize = 0
i = 277803815622628616
#1 0x00000400000dd360 in __gmpn_random2 (rp=0x0, n=-5198573331259894519)
at random2.c:54
rstate = 0x40000134db8
bit_pos = 8
ran = 3915822088
ranm = 3915822088
#2 0x000000001002c634 in ZNP_mpn_random2 (res=0x0,
n=13248170742449657097) at test/support.c:107
i = 0
#3 0x0000000010027224 in testcase_mpn_smp_kara (n=6624085371224828549) at
test/mpn_mulmid-test.c:89
buf1 = 0x0
buf2 = 0x0
ref = 0x0
res = 0x0
success = 1
#4 0x0000000010027434 in test_mpn_smp_kara (quick=0) at test/mpn_mulmid-
test.c:125
success = 1
n = 6624085371224828549
trial = 0
#5 0x00000000100210dc in run_test (target=0x10041488, quick=0) at
test/test.c:187
success = 4095
#6 0x0000000010021450 in main (argc=2, argv=0xfffffffe5a8) at
test/test.c:235
found = 1
all_success = 1
any_targets = 1
quick = 0
i = 33
j = 1
(gdb) q
}}}
It seems to point the finger at mpir.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/14098>
Sage <http://www.sagemath.org>
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