[Bug 1640286] [NEW] DNS failure for certain sites

[M Willis Monroe]

Public bug reported:

(Ubuntu Gnome 16.10)

Recently after upgrading to 16.10 I have a frequent loss of DNS response
for certain sites while browsing in Chrome.  This occurs both after
resuming from sleep or sometimes at other (seemingly) random times.

Steps to reproduce:
1) Browse sites in Chrome
2) A site will stop responding and DNS queries will timeout

There's not much more that I can add besides that, however the solution
I've found might give some more information.  I was digging around in
the /etc/resolvconf files and found that running the script
"/etc/resolvconf/update.d/libc" fixes the issue immediately, sometimes
even before the script finishes executing.  I've tried to read through
the script but I'm not sure I really understand what's going on there.

To give an example of a recent case of this happening.  I loaded
politico.com, all the text and css loaded just fine, but every image was
a dead link.  Turns out the images were hosted at static2.politico.com.
As soon as I ran the above script and reloaded the page, everything
loaded just fine.

Another case, is upon waking from sleep often Gmail will load the most
recent new e-mails and then when I go to click on one or try to respond,
the interface will timeout and a reload will result in a DNS timeout
until I run the above script.

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

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https://bugs.launchpad.net/bugs/1640286

Title:
  DNS failure for certain sites

Status in resolvconf package in Ubuntu:
  New

Bug description:
  (Ubuntu Gnome 16.10)

  Recently after upgrading to 16.10 I have a frequent loss of DNS
  response for certain sites while browsing in Chrome.  This occurs both
  after resuming from sleep or sometimes at other (seemingly) random
  times.

  Steps to reproduce:
  1) Browse sites in Chrome
  2) A site will stop responding and DNS queries will timeout

  There's not much more that I can add besides that, however the
  solution I've found might give some more information.  I was digging
  around in the /etc/resolvconf files and found that running the script
  "/etc/resolvconf/update.d/libc" fixes the issue immediately, sometimes
  even before the script finishes executing.  I've tried to read through
  the script but I'm not sure I really understand what's going on there.

  To give an example of a recent case of this happening.  I loaded
  politico.com, all the text and css loaded just fine, but every image
  was a dead link.  Turns out the images were hosted at
  static2.politico.com.  As soon as I ran the above script and reloaded
  the page, everything loaded just fine.

  Another case, is upon waking from sleep often Gmail will load the most
  recent new e-mails and then when I go to click on one or try to
  respond, the interface will timeout and a reload will result in a DNS
  timeout until I run the above script.

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