[plt-scheme] using DrScheme and Xnest

Hi, I'm trying to run DrScheme v103p1 on Redhat Enterprise 3, but have its display redirected to a Redhat Enterprise 5 desktop.  For the life of me, I cannot get this to work: 

1.) If I simply SSH X11 tunnel the application comes up in RHEL5, but none of the fonts do, the menus, dialog boxes, etc are all blank. 

2.) If I attempt to use Xnest, I can get the desktop to come up in RHEL 5, but launching DrScheme gives the following errors: 

X Error of failed request: BadAlloc (insufficient resources for operation) 
Major opcode of failed request: 45 (X_OpenFont) 
Serial number of failed request: 152 
Current serial number in output stream: 153 

Does anyone know why DrScheme only seems to run if its being displayed on the local desktop, and why conventional methods of redirecting display don't seem possible??  Please help, really stuck!!! 

-----
Greg Rodenhiser
Technical Services Engineer
College of the Holy Cross

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