PARI/GP Bug report logs - #124
handling interrupt

Package: pari; Maintainer for pari is Aurel Page <aurel.page@normalesup.org>; Source for pari is src:pari.

Reported by: igor@txc.com

Date: Fri, 10 Dec 2004 17:18:09 UTC

Severity: normal

Done: Bill Allombert <allomber@math.u-bordeaux.fr>

Bug is archived. No further changes may be made.

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Subject: Bug#124: handling interrupt
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From: Igor Schein <igor@txc.com>
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Package: pari
Version: 2.2.9 (development CHANGES-1.1080)

This is a major recurring problem for me.  In an interactive session
running on Opteron machine, ^C stops working, meaning the session is
lost.  I can tell it the command ( usually a loop ) does get
terminated because the process is in S state, but I never get a prompt
back.  I never saw this on a 32bit machine.  Here's a stack trace:

#0  0x0000002a95fb0f6b in __lll_mutex_lock_wait () from /lib64/tls/libc.so.6
#1  0x0000000000867b10 in ?? ()
#2  0x0000000000000000 in ?? ()
#3  0x0000002a95f475b0 in free_atfork () at stdlib.h:317
#4  0x0000002afbad8001 in ?? ()
#5  0x00000000008090fd in buf.7 ()
#6  0x00000000008090fd in buf.7 ()
#7  0x00000000008090fd in buf.7 ()
#8  0x00000000008090fd in buf.7 ()
#9  0x0000000000809104 in buf.7 ()
#10 0xffffffffffffffff in ?? ()
#11 0x00000000008090fd in buf.7 ()
#12 0xffffffffffffffff in ?? ()
#13 0x0000000000000000 in ?? ()
#14 0x0000000000000000 in ?? ()
#15 0x0000000000000000 in ?? ()
#16 0x0000000000000000 in ?? ()
#17 0x0000000000000000 in ?? ()
#18 0x0000000000000000 in ?? ()
#19 0x0000000000000000 in ?? ()
#20 0x0000000000867e40 in ?? ()
#21 0x00000000005e4add in pop_stack (pts=0x2) at ../src/language/init.c:98
#22 0x00000000005e689a in pari_err (numerr=19) at ../src/language/init.c:989
#23 <signal handler called>
#24 0x0000002a95fa1b1c in mmap64 () from /lib64/tls/libc.so.6
#25 0x0000002a95f466a6 in sYSMALLOc (nb=141360, av=0x2a9610d6c0) at malloc.c:2736
#26 0x0000002a95f431d2 in __libc_malloc (bytes=141352) at malloc.c:3295
#27 0x00000000005e4e11 in gpmalloc (size=0) at ../src/language/init.c:265
#28 0x00000000005e830f in copy_bin (x=0x2a9681cfa0) at ../src/language/init.c:1582
#29 0x00000000005e8809 in gerepileall (av=182913879800, n=6) at ../src/language/init.c:1674
#30 0x00000000004bbcd0 in lllfp_marked (pMARKED=0x7fbfe951a8, x=0x2a9681cfa0, D=8553008, flag=2, prec=45, gram=0) at ../src/basemath/bibli1.c:1319
#31 0x0000000000484e01 in get_red_G (T=0x2a968672a8, pro=0x7fbfe95258) at ../src/basemath/base1.c:1239
#32 0x0000000000485673 in _polredabs (T=0x7fbfe953d0, u=0x7fbfe953c8) at ../src/basemath/base1.c:1263
#33 0x000000000047f15b in polredabs0 (x=0x2a969b8aa8, flag=20) at ../src/basemath/base1.c:1985
#34 0x00000000005cb55f in identifier () at ../src/language/anal.c:2057
#35 0x00000000005caa30 in truc () at level1.h:232
#36 0x00000000005c9e75 in facteur () at ../src/language/anal.c:1267
#37 0x00000000005c969b in expr () at ../src/language/anal.c:799
#38 0x00000000005cab4f in affect_block (res=0x7fbfe96b48) at ../src/language/anal.c:1479
#39 0x00000000005cac20 in identifier () at ../src/language/anal.c:1831
#40 0x00000000005caa30 in truc () at level1.h:232
#41 0x00000000005c9e75 in facteur () at ../src/language/anal.c:1267
#42 0x00000000005c969b in expr () at ../src/language/anal.c:799
#43 0x00000000005c957a in seq () at ../src/language/anal.c:759
#44 0x00000000005d4948 in lisseq0 (t=0x0, f=0x5c9510 <seq>) at ../src/language/anal.c:373
#45 0x00000000005cf7e1 in identifier () at ../src/language/anal.c:1569
#46 0x00000000005caa30 in truc () at level1.h:232
#47 0x00000000005c9e75 in facteur () at ../src/language/anal.c:1267
#48 0x00000000005c969b in expr () at ../src/language/anal.c:799
#49 0x00000000005d500f in any_string () at ../src/language/anal.c:1114
#50 0x00000000005cd030 in identifier () at ../src/language/anal.c:1978
#51 0x00000000005caa30 in truc () at level1.h:232
#52 0x00000000005c9e75 in facteur () at ../src/language/anal.c:1267
#53 0x00000000005c969b in expr () at ../src/language/anal.c:799
#54 0x00000000005c957a in seq () at ../src/language/anal.c:759
#55 0x00000000005cdac1 in identifier () at ../src/language/anal.c:2111
#56 0x00000000005caa30 in truc () at level1.h:232
#57 0x00000000005c9e75 in facteur () at ../src/language/anal.c:1267
#58 0x00000000005c969b in expr () at ../src/language/anal.c:799
#59 0x00000000005c957a in seq () at ../src/language/anal.c:759
#60 0x00000000005cdac1 in identifier () at ../src/language/anal.c:2111
#61 0x00000000005caa30 in truc () at level1.h:232
#62 0x00000000005c9e75 in facteur () at ../src/language/anal.c:1267
#63 0x00000000005c969b in expr () at ../src/language/anal.c:799
#64 0x00000000005c957a in seq () at ../src/language/anal.c:759
#65 0x00000000005c8999 in lisseq_void (t=0x0) at ../src/language/anal.c:415
#66 0x00000000005fb51a in forstep (ep=0x864e70, a=0x2a969b9a78, b=0x2a969ba0f8, s=0x2a969ba118,
    ch=0x8658c6 "if(isprime(k),s=subgr(quadpoly(5),5*k,5);while(1,for(j=1,#s,t=kummer(quadpoly(5),5*k,s[j]);if(isg(t,[10,1]),break(2))));if(valuation(nfdisc(t,1),5)==13,print1(k\"\\t\");print(spcase(lc(t,polcyclo(5))))))"...) at ../src/language/sumiter.c:73
#67 0x00000000005cb3a5 in identifier () at ../src/language/anal.c:2069
#68 0x00000000005caa30 in truc () at level1.h:232
#69 0x00000000005c9e75 in facteur () at ../src/language/anal.c:1267
#70 0x00000000005c969b in expr () at ../src/language/anal.c:799
#71 0x00000000005c957a in seq () at ../src/language/anal.c:759
#72 0x00000000005d4948 in lisseq0 (t=0x0, f=0x5c9510 <seq>) at ../src/language/anal.c:373
#73 0x00000000005cf7e1 in identifier () at ../src/language/anal.c:1569
#74 0x00000000005caa30 in truc () at level1.h:232
#75 0x00000000005c9e75 in facteur () at ../src/language/anal.c:1267
#76 0x00000000005c969b in expr () at ../src/language/anal.c:799
#77 0x00000000005c957a in seq () at ../src/language/anal.c:75

I cannot reproduce it at will, but it happens a few times a day.

Thanks

Igor

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Bill Allombert <allomber@math.u-bordeaux.fr>. Last modified: Sat Aug 26 16:37:58 2023; Machine Name: pari

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