https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1009188 here is my thread on debian-facile.org . I would like to have more developments. and especially some advice for troubleshooting. I found a temporary solution but it will be unfortunate to be forced to keep it without updating the said package. friendly , respectfully, alain .Linux sid 5.17.0-1-amd64 #1 SMP PREEMPT Debian 5.17.3-1 (2022-04-18) x86_64 GNU/Linux