Looking again. the loop probably involves systemd-resolverd too, dnsmasq forwards to 127.0.0.53 which is systemd-resolverd, and systemd-resolverd then returns it to dnsmasq at 127.0.0.1
Why, oh why is Ubuntu running both? Cheers, Simon. On 14/03/17 11:15, Paul wrote: > I have cpulimit(1) watching dnsmasq now, so it only goes berserk for a > second before being killed, but the attached syslog extract captures the > moments before and during the DNS storm. These particular lookups are > mostly originated by Transmission, but previously the storms have > happened when there were no Transmission processes running, with queries > from Firefox or perhaps some unidentified Gnome weather applet. > > ** Attachment added: "syslog_dns_storm.txt" > > https://bugs.launchpad.net/ubuntu/+source/dnsmasq/+bug/1672099/+attachment/4837521/+files/syslog_dns_storm.txt > -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1672099 Title: DNS loop, >5,000 queries per second for minutes at a time To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/dnsmasq/+bug/1672099/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs