[racket] DrScheme hangs under Ubuntu 11.04?

From: Matthew Flatt (mflatt at cs.utah.edu)
Date: Mon Apr 11 16:14:59 EDT 2011

Thanks for the report! Unfortunately, I haven't been able to replicate
the problem in a 32-bit Ubuntu 11.04 beta 1 installation.

Can you try running `drracket' in a Terminal window, and when DrRacket
gets stuck, hit Ctl-C in in the Terminal window? That should generate a
stack trace that you could report back to the list (or just me). It
might not be enough information, but it's worth a try.


At Sat, 09 Apr 2011 22:39:09 -0700, Hyungrok Kim wrote:
> Hi all,
> I've been having some trouble running DrRacket under Ubuntu Unity, the
> new default interface in the upcoming Ubuntu 11.04 'Natty'.
> Specifically, the splash screen with the lambda icon appears, but when
> the IDE window itself opens the entire system hangs.
> I installed the 'racket' package from the ppa:plt/racket PPA (private
> package archive, the official way to install unofficial programmes in
> Ubuntu). It runs fine under Ubuntu with vanilla GNOME and GNOME plus
> Compiz (a 3-D compositor) with default settings, but it doesn't run
> under Unity. This is strange, since internally Unity is implemented as a
> set of Compiz plugins.
> Ubuntu 11.04 introduces a few other UI changes besides Unity, such as a
> Mac-like global menu bar and a new scroll-bar widget. I've tried
> disabling both, to no avail. I don't think I have any particular unusual
> configurations; it should be reproducible with a default Ubuntu 11.04
> beta 1 install.
> I don't know how to make it print out diagnostic info; I would
> appreciate instructions as to how. I haven't tried compiling from
> source; I can try if people think it'd be helpful.
> Ubuntu 11.04 is the current development version, currently in beta
> stage. It will be released in April 2011 (hence the version number
> 11.04).
> Thanks in advance.
> -- 
> Hyungrok Kim

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