thank's Vincent. Unfortunately, I already am on the latest upstream (not backport though) :
$ apt-get update -qq; apt-cache madison haproxy; dpkg -l|grep -i haproxy haproxy | 1.7.8-1~bpo9+1 | http://debian.mirrors.ovh.net/debian stretch-backports/main amd64 Packages haproxy | 1.7.8-1~bpo9+1 | http://ftp.fr.debian.org/debian stretch-backports/main amd64 Packages haproxy | 1.7.5-2 | http://debian.mirrors.ovh.net/debian stretch/main amd64 Packages haproxy | 1.7.8-1~bpo9+1 | http://debian.mirrors.ovh.net/debian stretch-backports/main Sources haproxy | 1.7.5-2 | http://debian.mirrors.ovh.net/debian stretch/main Sources ii haproxy 1.7.5-2 amd64 fast and reliable load balancing reverse proxy ii vim-haproxy 1.7.5-2 all syntax highlighting for HAProxy configuration files This stale process issue is quite a mystery atm. Le 01/08/2017 à 09:37, Vincent Bernat a écrit : > ❦ 31 juillet 2017 13:58 +0200, "Arnaud B." <[email protected]> : > >> I changed my haproxy.cfg to use only the haproxy user instead of >> www-data, but it haven't fixed my undying pid issue, I have the exact >> same stale processes, with a UDP UNCON socket open, no trafic and the >> epoll_wait() on strace. > Unfortunately, I don't have any other clue. Maybe someone else could > help. > > Otherwise, you can also try to upgrade to the latest upstream version to > check if this has been fixed. You can grab a more recent version from > https://haproxy.debian.net.

