Your message dated Tue, 29 Jul 2014 14:43:55 +0200
with message-id <[email protected]>
and subject line Re: Bug#593548: wxaxima loses connection to maxima for long
connection
has caused the Debian Bug report #593548,
regarding wxaxima loses connection to maxima for long connection
to be marked as done.
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593548: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=593548
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--- Begin Message ---
Package: wxmaxima
Version: 0.8.5-2
Severity: normal
Calculate sum(1/i, i, 1, 10^6); and wxmaxima will lose the
connection to maxima.
-- System Information:
Debian Release: lenny/sid
APT prefers unstable
APT policy: (500, 'unstable'), (350, 'experimental')
Architecture: amd64 (x86_64)
Kernel: Linux 2.6.32-5-amd64 (SMP w/4 CPU cores)
Locale: LANG=de_DE.UTF-8, LC_CTYPE=de_DE.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Versions of packages wxmaxima depends on:
ii libc6 2.11.2-2 Embedded GNU C Library: Shared lib
ii libgcc1 1:4.4.4-8 GCC support library
ii libstdc++6 4.4.4-8 The GNU Standard C++ Library v3
ii libwxbase2.8-0 2.8.10.1-3 wxBase library (runtime) - non-GUI
ii libwxgtk2.8-0 2.8.10.1-3 wxWidgets Cross-platform C++ GUI t
ii maxima 5.22.0-1 A computer algebra system -- base
ii maxima-doc 5.22.0-1 A computer algebra system -- docum
Versions of packages wxmaxima recommends:
ii libgnomeprintui2.2-0 2.18.5-1 GNOME print architecture User Inte
ii ttf-jsmath 0.090709+0-1 TeX fonts to display jsMath pages
wxmaxima suggests no packages.
-- no debconf information
--
Julian Andres Klode - Debian Developer, Ubuntu Member
See http://wiki.debian.org/JulianAndresKlode and http://jak-linux.org/.
pgpZJ4JXarWod.pgp
Description: PGP signature
--- End Message ---
--- Begin Message ---
Version: 13.04.2-4
On Sat, Sep 24, 2011 at 12:40:01PM +0200, Frank S. Thomas wrote:
> tags 593548 + unreproducible moreinfo
> thanks
>
> On Thursday 19 August 2010 17:13:13 Julian Andres Klode wrote:
> > On Do, 2010-08-19 at 12:01 +0200, Frank S. Thomas wrote:
> > > I've tried to reproduce this and this is what I got after some minutes:
> > > | (%i1) sum(1/i, i, 1, 10^6);
> > > |
> > > | Maxima encountered a Lisp error:
> > > | Error in FORMAT [or a callee]: Value stack overflow.
> > > |
> > > | Automatically continuing.
> > > | To enable the Lisp debugger set *debugger-hook* to nil.
> > >
> > > This doesn't look like wxMaxima looses the connection to Maxima, so could
> > > you please explain in more detail what happens in your case.
> >
> > For me:
> >
> > maxima: the command runs 14 minutes and prints a result
> > wxmaxima gives CLIENT: Lost socket connection ...
> > Restart Maxima with 'Maxima->Restart Maxima'.
> > (after 10-20 seconds)
>
> Since I got a value stack overflow in my first attempt to reproduce this bug,
> I just tried to reproduce it again with a convergent series and wxMaxima
> 11.08.0:
>
> | float(sum(1/i^2, i, 1, 10^3)); time(%);
> | 1.64393456668156
> | [0.02]
> |
> | float(sum(1/i^2, i, 1, 10^4)); time(%);
> | 1.64483407184806
> | [0.68]
> |
> | float(sum(1/i^2, i, 1, 10^5)); time(%);
> | 1.644924066898226
> | [43.57]
> |
> | float(sum(1/i^2, i, 1, 10^6)); time(%);
> | 1.644933066848727
> | [4146.08]
> |
> | ? time;
> | -- Function: time (%o1, %o2, %o3, ...)
> |
> | Returns a list of the times, in seconds, taken to compute the
> | output lines `%o1', `%o2', `%o3', .... The time returned is
> | Maxima's estimate of the internal computation time, not the
> | elapsed time.
>
> So the last calculation lasted more than an hour and still succeeded. It
> would
> be interesting to see if your bug is still present in the latest wxMaxima
> version and if it is, whether it also happens with a convergent series.
Seems to work fine these days. Closing it with the current version I
have installed to at least have some (limited) tracking.
--
Julian Andres Klode - Debian Developer, Ubuntu Member
See http://wiki.debian.org/JulianAndresKlode and http://jak-linux.org/.
Be friendly, do not top-post, and follow RFC 1855 "Netiquette".
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--- End Message ---
