[Bug 1180406] [NEW] [Saucy] DNS issues when resolvconf is installed

[Matthieu Baerts]

Public bug reported:

Hello,

This morning I upgrade my system. After having rebooted it, web addresses are no longer resolved.
I can still ping servers and if I add entries in /etc/hosts it works fine.
I tested with my both network cards (eth and wlan) but I still have this bug with the DNS. But it seems it's not due to the DNS server that I'm using because if I test with another computer on the same network, I don't have any problem. I also tried with a public DNS but I still have the same problem.

This is what I installed and upgraded this morning:

Install: linux-headers-3.9.0-2-generic:amd64 (3.9.0-2.6, automatic),
linux-image-extra-3.9.0-2-generic:amd64 (3.9.0-2.6, automatic), linux-
image-3.9.0-2-generic:amd64 (3.9.0-2.6, automatic), linux-
headers-3.9.0-2:amd64 (3.9.0-2.6, automatic)

Upgrade: libkrb5-3:amd64 (1.10.1+dfsg-5, 1.10.1+dfsg-6),
libk5crypto3:amd64 (1.10.1+dfsg-5, 1.10.1+dfsg-6), doc-base:amd64
(0.10.4, 0.10.5), linux-generic:amd64 (3.9.0.1.2, 3.9.0.2.3), seahorse-
nautilus:amd64 (3.7.5-0ubuntu1, 3.8.0-0ubuntu1), libkrb5-dev:amd64
(1.10.1+dfsg-5, 1.10.1+dfsg-6), libgssrpc4:amd64 (1.10.1+dfsg-5,
1.10.1+dfsg-6), libkrb5support0:amd64 (1.10.1+dfsg-5, 1.10.1+dfsg-6),
libspandsp2:amd64 (0.0.6~pre20-3ubuntu1, 0.0.6~pre20-3.1),
python3-urllib3:amd64 (1.5-0ubuntu1, 1.6-1), linux-headers-generic:amd64
(3.9.0.1.2, 3.9.0.2.3), linux-image-generic:amd64 (3.9.0.1.2,
3.9.0.2.3), libkadm5clnt-mit8:amd64 (1.10.1+dfsg-5, 1.10.1+dfsg-6),
libkadm5srv-mit8:amd64 (1.10.1+dfsg-5, 1.10.1+dfsg-6),
krb5-locales:amd64 (1.10.1+dfsg-5, 1.10.1+dfsg-6), libkdb5-6:amd64
(1.10.1+dfsg-5, 1.10.1+dfsg-6), linux-libc-dev:amd64 (3.9.0-1.5,
3.9.0-2.6), krb5-multidev:amd64 (1.10.1+dfsg-5, 1.10.1+dfsg-6),
libgssapi-krb5-2:amd64 (1.10.1+dfsg-5, 1.10.1+dfsg-6)

(no more installation/upgrade during this session)

I also tried to removed this line 'dns=dnsmasq' in
/etc/NetworkManager/NetworkManager.conf (and restarted NM) but I still
had this bug.

After having removed resolvconf package (and rebooted) I no longer have
this bug.

Any idea?

PS: I'm not using a vpn or proxy and I didn't change options in .conf
files about the network.

** Affects: resolvconf (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1180406

Title:
  [Saucy] DNS issues when resolvconf is installed

Status in “resolvconf” package in Ubuntu:
  New

Bug description:
  Hello,

  This morning I upgrade my system. After having rebooted it, web addresses are no longer resolved.
  I can still ping servers and if I add entries in /etc/hosts it works fine.
  I tested with my both network cards (eth and wlan) but I still have this bug with the DNS. But it seems it's not due to the DNS server that I'm using because if I test with another computer on the same network, I don't have any problem. I also tried with a public DNS but I still have the same problem.

  This is what I installed and upgraded this morning:

  Install: linux-headers-3.9.0-2-generic:amd64 (3.9.0-2.6, automatic),
  linux-image-extra-3.9.0-2-generic:amd64 (3.9.0-2.6, automatic), linux-
  image-3.9.0-2-generic:amd64 (3.9.0-2.6, automatic), linux-
  headers-3.9.0-2:amd64 (3.9.0-2.6, automatic)

  Upgrade: libkrb5-3:amd64 (1.10.1+dfsg-5, 1.10.1+dfsg-6),
  libk5crypto3:amd64 (1.10.1+dfsg-5, 1.10.1+dfsg-6), doc-base:amd64
  (0.10.4, 0.10.5), linux-generic:amd64 (3.9.0.1.2, 3.9.0.2.3),
  seahorse-nautilus:amd64 (3.7.5-0ubuntu1, 3.8.0-0ubuntu1),
  libkrb5-dev:amd64 (1.10.1+dfsg-5, 1.10.1+dfsg-6), libgssrpc4:amd64
  (1.10.1+dfsg-5, 1.10.1+dfsg-6), libkrb5support0:amd64 (1.10.1+dfsg-5,
  1.10.1+dfsg-6), libspandsp2:amd64 (0.0.6~pre20-3ubuntu1,
  0.0.6~pre20-3.1), python3-urllib3:amd64 (1.5-0ubuntu1, 1.6-1), linux-
  headers-generic:amd64 (3.9.0.1.2, 3.9.0.2.3), linux-image-
  generic:amd64 (3.9.0.1.2, 3.9.0.2.3), libkadm5clnt-mit8:amd64
  (1.10.1+dfsg-5, 1.10.1+dfsg-6), libkadm5srv-mit8:amd64 (1.10.1+dfsg-5,
  1.10.1+dfsg-6), krb5-locales:amd64 (1.10.1+dfsg-5, 1.10.1+dfsg-6),
  libkdb5-6:amd64 (1.10.1+dfsg-5, 1.10.1+dfsg-6), linux-libc-dev:amd64
  (3.9.0-1.5, 3.9.0-2.6), krb5-multidev:amd64 (1.10.1+dfsg-5,
  1.10.1+dfsg-6), libgssapi-krb5-2:amd64 (1.10.1+dfsg-5, 1.10.1+dfsg-6)

  (no more installation/upgrade during this session)

  I also tried to removed this line 'dns=dnsmasq' in
  /etc/NetworkManager/NetworkManager.conf (and restarted NM) but I still
  had this bug.

  After having removed resolvconf package (and rebooted) I no longer
  have this bug.

  Any idea?

  PS: I'm not using a vpn or proxy and I didn't change options in .conf
  files about the network.

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