I narrowed it down to something happening with a locally installed font in ~/.fonts.
To reproduce: $ wget https://github.com/adobe-fonts/source-code-pro/blob/release/VAR/SourceCodeVariable-Roman.otf?raw=true -O ~/.fonts/SourceCodeVariable-Roman.otf
$ chromium --enable-logging=stderr <ctrl+s> to see dialog works <ctrl+w> to kill browser
$ chromium --enable-logging=stderr <ctrl+s> to see dialog breaks
I narrowed it down to something happening with a locally installed font in ~/.fonts.
To reproduce: /github. com/adobe- fonts/source- code-pro/ blob/release/ VAR/SourceCodeV ariable- Roman.otf? raw=true -O ~/.fonts/ SourceCodeVaria ble-Roman. otf
$ wget https:/
$ chromium --enable- logging= stderr
<ctrl+s> to see dialog works
<ctrl+w> to kill browser
$ chromium --enable- logging= stderr
<ctrl+s> to see dialog breaks