Changes between Version 14 and Version 19 of Ticket #25636


Ignore:
Timestamp:
Jul 11, 2018, 6:10:44 PM (4 years ago)
Author:
Samuel Lelièvre
Comment:

I'm including the upstream bug link (from comment 15) in the ticket description. (Thanks for having reported upstream!)

Legend:

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  • Ticket #25636

    • Property Priority changed from critical to major
    • Property Keywords segfault added
    • Property Report Upstream changed from N/A to Reported upstream. No feedback yet.
  • Ticket #25636 – Description

    v14 v19  
    1 I do not know if this is known or not, or if this happens only on my Linux PC, but thought to report it just in case.
    2 
    3 This causes sage to core dump. Only when using "maxima" for integration.
    4 
     1Computing the following integral using "maxima" for integration
     2causes a Sage core dump.
    53
    64{{{
     
    1614sage: var('x m a b')
    1715(x, m, a, b)
    18 sage: integrate(x^m/sqrt(a + b*x^(2 - m)),x)
     16sage: integrate(x^m/sqrt(a + b*x^(2 - m)), x)
    1917
    2018;;;
     
    2220;;; Jumping to the outermost toplevel prompt
    2321;;;
    24 
    2522}}}
    2623
    27 
    28 When using other algorithm, it works OK. i.e. sage does not crash
    29 
     24When using other algorithms, it works, i.e. Sage does not crash.
    3025
    3126{{{
    3227sage: integrate(x^m/sqrt(a + b*x^(2 - m)),x,algorithm="giac")
    3328integrate(x^m/sqrt(b*x^(-m + 2) + a), x)
    34 
    3529}}}
    3630
    37 I am using Linux Manjaro, 17.1 on an intel PC.
     31Observed under Linux Manjaro, 17.1 on an intel PC.
    3832
    39 I would add the core dump file itself, but I do know if one is created or where it is saved. Do not see one in my current folder.
     33I would add the core dump file itself, but I do know if one is created
     34or where it is saved. Do not see one in my current folder.
    4035
    4136Any other information needed, please let me know.
    4237
    43 **Update**
    44 
    45 fyi,
    46 
    47 I get same error using 8.2-6 on Linux Manjaro MATE 17.1.
    48 
     38Note: the same error occurs using Sage 8.2-6 (from the
     39Arch Linux packaging) under Linux Manjaro MATE 17.1.
    4940
    5041{{{
     
    5546│ Type "help()" for help.                                            │
    5647└────────────────────────────────────────────────────────────────────┘
    57 
    58 
    5948}}}
    6049
     50Note:
    6151
    62 --Nasser
     52- Upstream (Maxima) bug report: https://sourceforge.net/p/maxima/bugs/3442/
     53