Jochen Immendöòfer wrote:

> 
> Ok, I must confess I have not much experience in using gdb, but here is
> what I get:
> 
> $ gdb ruby
> 
> (gdb) run -e "require 'Qt'"
> Starting program: /usr/bin/ruby -e "require 'Qt'"
> (no debugging symbols found)...(no debugging symbols found)...(no
This is a known problem - there is some sort of incompatibility between Qt
and ruby on startup. The fix is to start your program via 'krubyinit'
(found in korundum/bin).

-- Richard