Steps to reproduce: 1) open a gtksheet window (eg. testgtksheet example) 2) resize
Created attachment 98033 [details, diff] Patch from Roy Rankin Solution came from Roy Rankin via bug #1504169 on gtk+extra sourceforge page.
Created attachment 99951 [details, diff] Working patch Oops, I'm patch illiterate. The filenames in the last patch didn't work. My fault, not Roy's.
Created attachment 99955 [details] ebuild using patch
*** Bug 155667 has been marked as a duplicate of this bug. ***
I confirmed that the patch fixes the crash through testing with the EEPROM dialog in the gpsim (dev-embedded/gpsim) application (crashed on resize and fixed with patch applied to gtk+extra) and committed as 2.1.1-r1. Many thanks!