[Bug 977906] Re: Updating packages stalls

[bamyasi]

This affects me as well, started a few days ago. Extremely annoying,
updates take forever to download (literally, days). Possibly caused by
changes in my ISP configuration? It is a Verizon DSL broadband and I am
on the East Coast US.

Anyway, the changes to APT configuration suggested by David did not help
me.

What is wierd, when the apt downloads are in progress (either updating
package indices or downloading actual packages) they occupy the whole
connection bandwidth here, i.e., the downstream transfer rates from
servers are in the 300-600KB/sec range (confirmed by iftop) which looks
normal for my 5Mbit/s ADSL connection.

However, apt progress indicator only shows 10-30KB/sec download speed at
best. It's as if 99.9% of the packets received are being discarded by
apt. There is no errors in any of the logs, nor in dmesg output and
ifconfig shows dropped packets / errors counts for the interface all
stay at zero.

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https://bugs.launchpad.net/bugs/977906

Title:
  Updating packages stalls

Status in “apt” package in Ubuntu:
  Confirmed

Bug description:
  Using 12.04 RC installed in Melbourne Australia locale, installing and
  subsequently updating packages stalls significantly delaying
  installation process.

  Adding this code to /etc/apt/apt.conf.d in file 80http fixes this
  problem:

  Acquire::http::Pipeline-Depth "0";
  Acquire::http::No-Cache "true";
  Acquire::http::Max-Age "0";

  Whether this is caused by misconfiguration of Repositories is
  basically irrelevant, I have experienced this issue for years now and
  I always seem to have to install this extra file to basically cure
  things.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: apt 0.8.16~exp12ubuntu7
  ProcVersionSignature: Ubuntu 3.2.0-22.35-generic 3.2.14
  Uname: Linux 3.2.0-22-generic x86_64
  ApportVersion: 2.0-0ubuntu4
  Architecture: amd64
  Date: Tue Apr 10 19:46:56 2012
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta amd64 (20120409)
  ProcEnviron:
   LANGUAGE=en_AU:en
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_AU.UTF-8
   SHELL=/bin/bash
  SourcePackage: apt
  UpgradeStatus: No upgrade log present (probably fresh install)

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