Ubuntu
firefox package

  1. Bug #1856624
  2. Comment #4

Comment 4 for bug 1856624

Revision history for this message
Olivier Tilloy (osomon) wrote :

It is in fact a known bug, caused by versions of fontconfig < 2.13. See https://bugzilla.mozilla.org/show_bug.cgi?id=1566053 and https://askubuntu.com/questions/1076412/firefox-freezing-with-100-cpu-usage-for-30-seconds-when-launching-chromium#answer-1089841.