Re: Error using plot in octave

[Martin Helm]

Am Freitag, 27. Mai 2011, 17:10:02 schrieb Ben Abbott:

> On May 27, 2011, at 10:52 AM, Thirunavukkarasu wrote:

> > On Friday 27 May 2011 12:56 AM, Ben Abbott wrote:

> >> On May 26, 2011, at 2:12 PM, Thirunavukkarasu wrote:

> >>> I am a newbie to Linux and using Ubuntu 11.04

> >>>

> >>>

> >>> When I was using octave for simple plotting

> >>>

> >>> x=[0:pi/32/10*pi]';

> >>> y=sin(x);

> >>> plot(x,y)

> >>>

> >>> Following error occurred when I used plot command

> >>>

> >>> panic: Illegal instruction -- stopping myself...

> >>> attempting to save variables to `octave-core'...

> >>> save to `octave-core' complete

> >>> GNU Octave, version 3.2.4

> >>> Copyright (C) 2009 John W. Eaton and others.

> >>> This is free software; see the source code for copying conditions.

> >>> There is ABSOLUTELY NO WARRANTY; not even for MERCHANTABILITY or

> >>> FITNESS FOR A PARTICULAR PURPOSE. For details, type `warranty'.

> >>> Octave was configured for "i686-pc-linux-gnu".

> >>> Additional information about Octave is available at

> >>> http://www.octave.org. Please contribute if you find this software

> >>> useful.

> >>> For more information, visit http://www.octave.org/help-wanted.html

> >>> Report bugs to<address@hidden> (but first, please read

> >>> http://www.octave.org/bugs.html to learn how to write a helpful

> >>> report). For information about changes from previous versions, type

> >>> `news'.

> >>>

> >>>

> >>> I request you to sort out this issue.

> >>>

> >>> regards,

> >>> Arasu

> >>

> >> After a fresh start, does "plot(0,0)" cause a crash?

> >>

> >> Ben

> >

> > Yes, Octave crash after a fresh start with command plot(0,0);

> >

> > regards,

> > Thirunavukkarasu

>

> This looks like an Ubuntu problem to me. Unfortunately, I don't know where

> to report this problem.

>

> Just a guess,but any chance you upgraded Ubuntu from 10.10 to 11.04, but

> haven't updated your installed packages?

>

> (1) System -> Administration -> Update Manager

> (2) Click [Check]

> (3) Click [Install Packages]

>

> Ben

The linux mint 10 (with which I tested) packages are based on ubuntu 10.10 repositories and linux mint 10 does not show the crash but works. So it seems ubuntu introduced a problem in the newer version 11.04 which was not in 10.10.