Thanks to ali1234 this was tracked down to font-config rebuilding the cache at the start of the live session. Something changed in the way fontconfig validates the caches and so they are being rebuilt at the start of the live session.
This bug is likely related: https://bugs.freedesktop.org/show_bug.cgi?id=103652
Thanks to ali1234 this was tracked down to font-config rebuilding the cache at the start of the live session. Something changed in the way fontconfig validates the caches and so they are being rebuilt at the start of the live session.
This bug is likely related: https:/ /bugs.freedeskt op.org/ show_bug. cgi?id= 103652