BTW, emacs 27 does not crash using that lisp line. On Fri, Mar 6, 2020 at 2:20 PM Vinicius José Latorre wrote: > > OK, then the crash is a known problem: you cannot change the font > > backend once the session started, you can only do that in X resources. > > Previously, XFT was your original backend, but now it's HarfBuzz. > > I think that emacs should be more robust about this and do not crash for > any bad value. > > > Why are you doing this? What happens/doesn't work if you remove this > > line? > > Well, I use emacs since 1992, I don't remember why I set this. > > Removing this line all works like a charming. > > > > On Fri, Mar 6, 2020 at 4:18 AM Eli Zaretskii wrote: > >> > From: Vinicius José Latorre >> > Date: Thu, 5 Mar 2020 19:21:22 -0300 >> > Cc: 39865@debbugs.gnu.org >> > >> > I found this line in my ~/.emacs that causes the crash: >> > >> > (push '(font-backend xft x) default-frame-alist) >> >> OK, then the crash is a known problem: you cannot change the font >> backend once the session started, you can only do that in X resources. >> Previously, XFT was your original backend, but now it's HarfBuzz. >> >> Why are you doing this? What happens/doesn't work if you remove this >> line? >> >