Since I'm unable to reproduce this on my system, could you please get a backtrace by installing the gimp-dbg package and following the directions here: https://wiki.debian.org/HowToGetABacktrace
- Bug#824074: gimp: Crashes (apparently) when Caps Lock key is pr... Guillermo
- Bug#824074: gimp: Crashes (apparently) when Caps Lock key ... Ari Pollak