bug#43177: Bug: Emacs 27.1 hangs forever in `FcCharSetSubtractCount' from '/usr/lib/libfontconfig.so.1'

[Andreas Schwab]

On Sep 03 2020, Robert Pluim wrote:

>>>>>> On Thu, 03 Sep 2020 14:52:22 +0200, Andreas Schwab 
>>>>>> <schwab@linux-m68k.org> said:
>
>     Andreas> On Sep 03 2020, Robert Pluim wrote:
>     >> tai-viet and han scripts. My GNU/Linux build uses 'Noto Sans Tai Viet'
>     >> for the one, and 'Noto Sans CJK KR' for the other (both via the ftcr
>     >> backend), and thereʼs no slowdown. (you can use C-u C-x = to check).
>
>     Andreas> Do you have many fonts installed?
>
> fc-list | wc -l
> 2897

$ fc-list | wc -l
11168

And there is a huge slowdown here.

Andreas.

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Andreas Schwab, schwab@linux-m68k.org
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