Fixed my dnsmasq systemd-resolve race with dnsmasq config. /etc/dnsmasq.d/myconfig #PES 20180808 dnsmasq and systemd-resolve conflict. # dont use /etc/resolv.conf, go direct to systemd-resolve, only bind to lo no-resolv bind-interfaces interface=lo server=127.0.0.53
-- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to network-manager in Ubuntu. https://bugs.launchpad.net/bugs/1729194 Title: /etc/resolv.conf pointing to dnsmasq instead of resolved Status in network-manager package in Ubuntu: Confirmed Bug description: Systemd sometimes just doesn't resolve DNS queries and for the life of me I don't know why. So often when I'm switching between wifi networks I find that systemd- resolved in 17.10 complete fails to do it's job. Here's the example. I'm connected to the internet : ``` chalbersma@nebraska [~] {Tue Oct 31 20:58:18} > ping 8.8.8.8 PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data. 64 bytes from 8.8.8.8: icmp_seq=1 ttl=53 time=196 ms 64 bytes from 8.8.8.8: icmp_seq=2 ttl=53 time=67.5 ms 64 bytes from 8.8.8.8: icmp_seq=3 ttl=53 time=78.9 ms ^C --- 8.8.8.8 ping statistics --- 3 packets transmitted, 3 received, 0% packet loss, time 1999ms rtt min/avg/max/mdev = 67.534/114.169/196.025/58.068 ms ``` But I can't seem to resolve domains: ``` chalbersma@nebraska [~] {Tue Oct 31 20:59:17} > nslookup google.com ;; connection timed out; no servers could be reached ``` So I did a `systemd-resolver --status` to see if it's getting the right dns server. It is : ``` Link 3 (wlp2s0) Current Scopes: DNS LLMNR/IPv4 LLMNR/IPv6 LLMNR setting: yes MulticastDNS setting: no DNSSEC setting: no DNSSEC supported: no DNS Servers: 192.168.43.1 2001:4888:51:ff00:506:d:: 2001:4888:50:ff00:500:d:: ``` And it's actually up and working properly : ``` chalbersma@nebraska [~] {Tue Oct 31 21:02:06} > nslookup google.com 192.168.43.1 Server: 192.168.43.1 Address: 192.168.43.1#53 Non-authoritative answer: Name: google.com Address: 172.217.11.78 chalbersma@nebraska [~] {Tue Oct 31 21:03:16} > nslookup google.com 2001:4888:51:ff00:506:d:: Server: 2001:4888:51:ff00:506:d:: Address: 2001:4888:51:ff00:506:d::#53 Non-authoritative answer: Name: google.com Address: 172.217.11.78 ``` Systemd just can't figure out to make the request. I did try the common step of flushing the cache (with `--flush-cache`) restarting network-manager and systemd-resolverd service but nothing seems to be able to make systemd-resolverd function. Even a reboot doesn't always fix the issue; sometimes it persists. For debugging this is what's in my /etc/resolv.conf : ``` chalbersma@nebraska [~] {Tue Oct 31 21:09:15} > cat /etc/resolv.conf # Generated by NetworkManager nameserver 127.0.1.1 ``` As soon as I manually set the nameserver from my loopback to the actual dns server (bypassing systemd-resolvd) things start working again. Let me know what kind of tshooting data I'd need to grab to help display this issue. In order to restore networking I had to manually edit that file and change my dns to the external source. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1729194/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
