Me getting this too on makerick.
Pretty much identical.
I think this has always been a problem as I have used many distros for many years and Xnest has always been buggy
Using XLIB_SKIP_ARGB_VISUALS=1 (which stops a similar bug in nedit) helps sometimes http://ubuntuforums.org/archive/index.php/t-202772.html
Also using smaller window geometry which makes me think is may be linked to resource allocation (e.g. memory).
Me getting this too on makerick.
Pretty much identical.
I think this has always been a problem as I have used many distros for many years and Xnest has always been buggy
Using XLIB_SKIP_ ARGB_VISUALS= 1 (which stops a similar bug in nedit) helps sometimes ubuntuforums. org/archive/ index.php/ t-202772. html
http://
Also using smaller window geometry which makes me think is may be linked to resource allocation (e.g. memory).