This happens when creating a new file, i.e. on Save As, not Save. Creating an empty file outside of GIMP then saving to that works.
Deleting ~/.config/dconf "fixed" the problem for me. Source: https://bugzilla.redhat.com/show_bug.cgi?id=828015 ** Bug watch added: Red Hat Bugzilla #828015 https://bugzilla.redhat.com/show_bug.cgi?id=828015 -- You received this bug notification because you are a member of Edubuntu Bugsquad, which is subscribed to gimp in Ubuntu. https://bugs.launchpad.net/bugs/912909 Title: gimp-2.6 crashed with SIGSEGV To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gimp/+bug/912909/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~edubuntu-bugs Post to : edubuntu-bugs@lists.launchpad.net Unsubscribe : https://launchpad.net/~edubuntu-bugs More help : https://help.launchpad.net/ListHelp