But it's sad that I can't reproduce that bug in NixOS :( At 2020-06-23 02:06:41, "Eli Zaretskii" wrote: >> Date: Tue, 23 Jun 2020 00:47:30 +0800 (CST) >> From: "Zhu Zihao" >> Cc: eliz@gnu.org >> >> I'm able to reproduce this bug in NixOS 20.03 with Emacs 27.0.91 pretest version. I guess this bug is >> caused by the mechanism of Nix/Guix. NixOS doesn't have FHS directory structure, it means that there's >> nothing like /usr/share/fonts for Cairo to search fonts. And I try to copy some fonts to ~/.local/share/fonts >> then Emacs won't crash again. > >If you can show a backtrace from the crash, perhaps we could find the >reason and fix it. > >Thanks.