[Octave-bug-tracker] [bug #32137] help command causes hang

[Michael Godfrey]

URL:
  <http://savannah.gnu.org/bugs/?32137>

                 Summary: help command causes hang
                 Project: GNU Octave
            Submitted by: godfrey
            Submitted on: Sun 16 Jan 2011 06:31:19 AM GMT
                Category: Interpreter
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Crash
                  Status: None
             Assigned to: None
         Originator Name: godfrey
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: dev
        Operating System: GNU/Linux

    _______________________________________________________

Details:

I sent the email below to the maintainer list on 7/28/2010, but
a similar hang happened to me using the current development system. This is a
difficult problem to examine since it happens
randomly, and the exact sequence that triggers it seems to change.

In the text attached I was able to cause the failure while running under gdb.
 I hope this helps someone to
find the problem.

It would be a worry if the coming release goes out with this problem.  When
it happens all current work is lost since the
only recovery is to close the window, or kill -9 from another
window.
===================================

The original hang happened when I ssh'ed into another machine
and ran:
find('a')
find('a')
find('abca')
help find
>>hang here<<  requires kill -9

===================================
This sequence produced the attached gdb output.

The most recent hang was triggered by
help strcmp

so, the string following the find seems not to be the
problem.






    _______________________________________________________

File Attachments:


-------------------------------------------------------
Date: Sun 16 Jan 2011 06:31:19 AM GMT  Name: hang_help_find  Size: 8kB   By:
godfrey

<http://savannah.gnu.org/bugs/download.php?file_id=22419>

    _______________________________________________________

Reply to this item at:

  <http://savannah.gnu.org/bugs/?32137>

_______________________________________________
  Message sent via/by Savannah
  http://savannah.gnu.org/