[Bug 1766542] Re: Installation blocks when the machine is behind a proxy server

[Julian Andres Klode]

It seems we are experiencing a bug in apt in bionic WRT the 90s timeout.
With happy eyeballs, we added a new place where stuff can timeout; and
we did not mark these IP addresses as failed, hence they were always
retried, and thus you saw it attempting to connect 3 times to
tw.archive.ubuntu.com.

With that fixed, we should be down to 30s instead of 90s.

That said, I cannot reproduce that as connect() fails for me with "No
Route to Host" after 3 seconds, so I might have missed something.

** Changed in: apt (Ubuntu)
       Status: New => Triaged

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https://bugs.launchpad.net/bugs/1766542

Title:
  Installation blocks when the machine is behind a proxy server

Status in OEM Priority Project:
  Confirmed
Status in apt package in Ubuntu:
  Triaged
Status in ubiquity package in Ubuntu:
  Incomplete
Status in apt source package in Bionic:
  New
Status in ubiquity source package in Bionic:
  New

Bug description:
  When the machine is behind a proxy server, the installation will block
  for a while (several minutes) to retrieve the package lists. The
  timeouts are too long and makes user feels the machine may have some
  problems.

  The symptom is similar with bug #14599, but it seems the apt-setup
  module was rewritten.

  Another method to trigger this issue is to make the machine cannot
  access to the Internet, for instance: a wrong gateway.

  Image: 16.04

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