This is what I see: localhost - - [19/Feb/2025:14:32:08 +0100] "POST / HTTP/1.1" 200 222 CUPS-Create-Local-Printer successful-ok localhost - - [19/Feb/2025:14:32:08 +0100] "POST / HTTP/1.1" 200 222 CUPS-Create-Local-Printer successful-ok localhost - - [19/Feb/2025:14:32:08 +0100] "POST / HTTP/1.1" 200 222 CUPS-Create-Local-Printer successful-ok localhost - - [19/Feb/2025:14:32:09 +0100] "POST / HTTP/1.1" 200 222 CUPS-Create-Local-Printer successful-ok localhost - - [19/Feb/2025:14:32:09 +0100] "POST / HTTP/1.1" 200 222 CUPS-Create-Local-Printer successful-ok localhost - - [19/Feb/2025:14:32:09 +0100] "POST / HTTP/1.1" 200 222 CUPS-Create-Local-Printer successful-ok localhost - - [19/Feb/2025:14:32:09 +0100] "POST / HTTP/1.1" 200 222 CUPS-Create-Local-Printer successful-ok localhost - - [19/Feb/2025:14:32:09 +0100] "POST / HTTP/1.1" 200 222 CUPS-Create-Local-Printer successful-ok localhost - - [19/Feb/2025:14:32:10 +0100] "POST / HTTP/1.1" 200 222 CUPS-Create-Local-Printer successful-ok localhost - - [19/Feb/2025:14:32:10 +0100] "POST / HTTP/1.1" 200 222 CUPS-Create-Local-Printer successful-ok localhost - - [19/Feb/2025:14:32:10 +0100] "POST / HTTP/1.1" 200 222 CUPS-Create-Local-Printer successful-ok I tried to remove /etc/cups and `apt reinstall "cups*"`. but eventually emptying /var/cache/cups fixed it. It would be nice if cups was smart enough to not retry infinitely whatever it is doing in a tight loop...