[CentOS] Font related problems with recent FF 60.1

Sun Jul 15 21:22:22 UTC 2018
Liam O'Toole <liam.p.otoole at gmail.com>

On 2018-07-15, Kay Schenk
<kay.schenk at gmail.com> wrote:
> When I start FF from command line, I'm getting a lot of errors similar
> to these --
>
> Gtk-Message: Failed to load module "canberra-gtk-module" Gtk-Message:
> Failed to load module "pk-gtk-module" Gtk-Message: Failed to load
> module "canberra-gtk-module" Gtk-Message: Failed to load module
> "pk-gtk-module" Fontconfig warning:
> "/etc/fonts/conf.d/30-metric-aliases.conf", line 84: Having multiple
> <family> in <alias> isn't supported and may not work as expected
> Fontconfig warning: "/etc/fonts/conf.d/30-metric-aliases.conf", line
> 84: Having multiple <family> in <alias> isn't supported and may not
> work as expected Fontconfig warning:
> "/etc/fonts/conf.d/30-metric-aliases.conf", line 93: Having multiple
> <family> in <alias> isn't supported and may not work as expected
> Fontconfig warning: "/etc/fonts/conf.d/30-metric-aliases.conf", line
> 93: Having multiple <family> in <alias> isn't supported and may not
> work as expected Fontconfig warning:
> "/etc/fonts/conf.d/30-metric-aliases.conf", line 102: Having multiple
> <family> in <alias> isn't supported and may not work as expected
> Fontconfig warning: "/etc/fonts/conf.d/30-metric-aliases.conf", line
> 102: Having multiple <family> in <alias> isn't supported and may not
> work as expected Fontconfig warning:
> "/etc/fonts/conf.d/40-nonlatin.conf", line 33: Having multiple
> <family> in <alias> isn't supported and may not work as expected
> Fontconfig warning: "/etc/fonts/conf.d/40-nonlatin.conf", line 33:
> Having multiple <family> in <alias> isn't supported and may not work
> as expected
>
> This version of FF doesn't seem to be happy  with my current font
> setup in CentOS 6.10. 😕
>

The warnings appear to come from fontconfig, not firefox. Do you see
something similar when you launch, say, gedit from the command line?