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[Bug 788274] Re: throttled traffic/slow dns with ath5k (AR2413 wireless card) +WAP2 with netgear wgr614

To: desktop-packages@xxxxxxxxxxxxxxxxxxx
From: gene <788274@xxxxxxxxxxxxxxxxxx>
Date: Thu, 27 Oct 2011 18:23:35 -0000
Reply-to: Bug 788274 <788274@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

** Summary changed:

- dns lookup issue on wireless:  firefox& chromium-bowser take very long to load  on Ubuntu Narwhal
+ throttled traffic/slow dns  with ath5k (AR2413 wireless card) +WAP2 with netgear wgr614

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https://bugs.launchpad.net/bugs/788274

Title:
  throttled traffic/slow dns  with ath5k (AR2413 wireless card) +WAP2
  with netgear wgr614

Status in “chromium-browser” package in Ubuntu:
  Confirmed
Status in “firefox” package in Ubuntu:
  Confirmed
Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  I have 3 PCs with different Ubuntu versions 10.04, 10.10 and 11.04.
  In all of these firefox 7, chromium, epiphany and konqueror are pretty fast, except on Narwhal when visiting some websites
  I noticed that on 11.04:
  0) never happened on the affected laptop before 11.04
  1) pages without js are rendered alright
  2) when js is disabled on firefox4 it seems to speed up some not all, though, e.g. it does for cnews.ru, but not for launchpad.net (which never loads)
  3) w3m-img,elinks,lynx are fast and load those pages in questions alright
  4)none of these problems exist on 10.04 or 10.10 with web browsers of the same versions
  5) it is an Ubuntu 11.04 only issue, does not happen on older version of Ubuntu
  6) does not seem to be an ipv4/ipv6 issue, since on firefox I set ipv6.disable to true
  On the affected machine (as well as on the others) I got a custom kernel installed.
  uname -a: Linux  2.6.38.5-mine #1 SMP Wed May 4 12:28:50 CDT 2011 i686 i686 i386 GNU/Linux
  --- 
  Architecture: i386
  DistroRelease: Ubuntu 11.04
  Package: linux (not installed)
  ProcEnviron:
   LANGUAGE=en_US:en
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  Tags:  natty
  Uname: Linux 3.1.0-rc6-mine+ i686
  UnreportableReason: The running kernel is not an Ubuntu kernel
  UpgradeStatus: Upgraded to natty on 2011-05-06 (160 days ago)
  UserGroups: adm admin audio cdrom dialout dip floppy fuse lpadmin netdev plugdev powerdev scanner video voice

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