Package: avahi-daemon Version: 0.7-4+b1 Severity: normal Dear Maintainer,
avahi-dameon shows a very high cpu usage and I found no useful messages on the logs. Restarting the daemon does nothing. When I ran the daemon with '--debug' option, I see hundreds of lines like this on syslog: Received response from host 10.31.19.92 with invalid source port 63227 Received response from host 10.31.20.38 with invalid source port 57554 Received response from host 10.31.40.164 with invalid source port 58307 Received response from host 10.31.44.4 with invalid source port 54151 It's always those four IP addresses and those four ports. There's many other entries but those are the ones that look the most like an error. This issue only happens at a specific network (eduroam wifi network at my university). There are no problems on many other networks so I think there may be something odd with this specific university. However, I also think that avahi should be a bit more resilient. Even if there is an issue on the network, it should not bring a laptop to a halt. avahi-daemon goes at 100% CPU usage nonstop. The only reason I can do any work at all is that this is a quite beffy quadcore laptop. -- System Information: Debian Release: buster/sid APT prefers testing APT policy: (500, 'testing') Architecture: amd64 (x86_64) Foreign Architectures: i386 Kernel: Linux 4.19.0-2-amd64 (SMP w/4 CPU cores) Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8), LANGUAGE=en_GB:en (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash Init: systemd (via /run/systemd/system) LSM: AppArmor: enabled Versions of packages avahi-daemon depends on: ii adduser 3.118 ii bind9-host [host] 1:9.11.5.P1+dfsg-1 ii dbus 1.12.12-1 ii libavahi-common3 0.7-4+b1 ii libavahi-core7 0.7-4+b1 ii libc6 2.28-6 ii libcap2 1:2.25-2 ii libdaemon0 0.14-7 ii libdbus-1-3 1.12.12-1 ii libexpat1 2.2.6-1 ii lsb-base 10.2018112800 Versions of packages avahi-daemon recommends: ii libnss-mdns 0.14.1-1 Versions of packages avahi-daemon suggests: ii avahi-autoipd 0.7-4+b1 -- no debconf information