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From: Alexander Shukaev <emacs@Alexander.Shukaev.name>
Newsgroups: gnu.emacs.bug
Subject: bug#43177: Bug: Emacs 27.1 hangs forever in `FcCharSetSubtractCount' from '/usr/lib/libfontconfig.so.1'
Date: Thu, 3 Sep 2020 18:39:45 +0200
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On 03/09/2020 17:10, Robert Pluim wrote:
>>>>>> On Thu, 03 Sep 2020 16:48:04 +0200, Andreas Schwab <schwab@linux-m68k.org> said:
> 
>      Andreas> On Sep 03 2020, Robert Pluim wrote:
>      >> Does it go away if you set font-backend . ftcrhb in your frame
>      >> parameters (assuming youʼre using Cairo)?
> 
>      Andreas> That completely removes the delay.
> 
> So the solution is easy: just deprecate and remove the 'x' backend :-)
> 
> Robert
> 

Love that tip, man!  Confirming the speed up.  Thanks a lot!