I posted a pic here:
https://timmydosmalltalk.wordpress.com/2016/05/29/linux-64x64-squeak-cog-spur-display-problems/squeak64x64debuggerproblem/
Debugger and inspectors do not show some morphic panes correctly.
I don't know how to begin to track this down. I will be happy to try if somebody will tell me where to start.
cheers.
tty