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[Bug 788274] Re: throttled traffic/slow dns with ath5k (AR2413 wireless card) +WPA(2) with netgear wgr614

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apport information

** Description changed:

  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
+ --- 
+ AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
+ AplayDevices:
+  **** List of PLAYBACK Hardware Devices ****
+  card 0: SB [HDA ATI SB], device 0: ALC861-VD Analog [ALC861-VD Analog]
+    Subdevices: 1/1
+    Subdevice #0: subdevice #0
+ Architecture: i386
+ ArecordDevices:
+  **** List of CAPTURE Hardware Devices ****
+  card 0: SB [HDA ATI SB], device 0: ALC861-VD Analog [ALC861-VD Analog]
+    Subdevices: 1/1
+    Subdevice #0: subdevice #0
+ AudioDevicesInUse:
+  USER        PID ACCESS COMMAND
+  /dev/snd/controlC0:  jenya      1643 F.... pulseaudio
+ Card0.Amixer.info:
+  Card hw:0 'SB'/'HDA ATI SB at 0xc0400000 irq 40'
+    Mixer name	: 'Realtek ALC861-VD'
+    Components	: 'HDA:10ec0862,1179820d,00100001 HDA:11c11040,11790001,00100200'
+    Controls      : 19
+    Simple ctrls  : 12
+ Desktop-Session:
+  DESKTOP_SESSION = gnome-classic
+  XDG_CONFIG_DIRS = /etc/xdg/xdg-gnome-classic:/etc/xdg
+  XDG_DATA_DIRS = /usr/share/gnome-classic:/usr/share/gnome:/usr/local/share/:/usr/share/
+ DistroRelease: Ubuntu 11.04
+ Env:
+  MOZ_PLUGIN_PATH = None
+  LD_LIBRARY_PATH = None
+ HibernationDevice: RESUME=UUID=5d87ad1c-529d-43e5-a5b9-d8bcc75895ce
+ Lsusb:
+  Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
+  Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
+  Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
+ MachineType: TOSHIBA Satellite L35
+ Package: linux (not installed)
+ PackageArchitecture: i386
+ PccardctlIdent:
+  Socket 0:
+    no product info available
+ PccardctlStatus:
+  Socket 0:
+    no card
+ ProcEnviron:
+  LANGUAGE=en_US:en
+  LANG=en_US.UTF-8
+  SHELL=/bin/bash
+ ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-13-generic root=UUID=8ed12067-caa1-4af3-b3b4-c97a2fe5cc3d ro radeon.modeset=1 acpi_sleep=nonvs resume=/dev/sda5 crashkernel=384M-2G:64M,2G-:128M quiet profile
+ ProcVersionSignature: Ubuntu 2.6.38-13.52-generic 2.6.38.8
+ ProcVersionSignature_: Ubuntu 2.6.38-13.52-generic 2.6.38.8
+ ProcVersionSignature__: Ubuntu 2.6.38-13.52-generic 2.6.38.8
+ RelatedPackageVersions:
+  linux-restricted-modules-2.6.38-13-generic N/A
+  linux-backports-modules-2.6.38-13-generic  N/A
+  linux-firmware                             1.52
+ RfKill:
+  0: phy0: Wireless LAN
+  	Soft blocked: no
+  	Hard blocked: no
+ Tags:  natty natty natty
+ Uname: Linux 2.6.38-13-generic i686
+ UnreportableReason:
+  /usr/bin/firefox has been diverted by a third party package (dpkg-divert: warning: parsing file '/var/lib/dpkg/status' near line 59458 package 'mac-3.99-u4':
+   error in Version string 'b3-1': version number does not start with digit)
+ UpgradeStatus: Upgraded to natty on 2011-05-06 (206 days ago)
+ UserGroups: adm admin audio cdrom dialout dip floppy fuse lpadmin netdev plugdev powerdev scanner video voice
+ WpaSupplicantLog:
+  
+ chromium-default: CHROMIUM_FLAGS=""
+ dmi.bios.date: 10/24/2007
+ dmi.bios.vendor: TOSHIBA
+ dmi.bios.version: V3.10
+ dmi.board.name: Satellite L35
+ dmi.board.vendor: TOSHIBA
+ dmi.board.version: Not Applicable
+ dmi.chassis.type: 10
+ dmi.chassis.vendor: TOSHIBA
+ dmi.chassis.version: N/A
+ dmi.modalias: dmi:bvnTOSHIBA:bvrV3.10:bd10/24/2007:svnTOSHIBA:pnSatelliteL35:pvrPSL33U-03W02K:rvnTOSHIBA:rnSatelliteL35:rvrNotApplicable:cvnTOSHIBA:ct10:cvrN/A:
+ dmi.product.name: Satellite L35
+ dmi.product.version: PSL33U-03W02K
+ dmi.sys.vendor: TOSHIBA

** Attachment added: "AcpiTables.txt"
   https://bugs.launchpad.net/bugs/788274/+attachment/2611882/+files/AcpiTables.txt

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

Title:
  throttled traffic/slow dns  with ath5k (AR2413 wireless card) +WPA(2)
  with netgear wgr614

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

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
  --- 
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
  AplayDevices:
   **** List of PLAYBACK Hardware Devices ****
   card 0: SB [HDA ATI SB], device 0: ALC861-VD Analog [ALC861-VD Analog]
     Subdevices: 1/1
     Subdevice #0: subdevice #0
  Architecture: i386
  ArecordDevices:
   **** List of CAPTURE Hardware Devices ****
   card 0: SB [HDA ATI SB], device 0: ALC861-VD Analog [ALC861-VD Analog]
     Subdevices: 1/1
     Subdevice #0: subdevice #0
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  jenya      1643 F.... pulseaudio
  Card0.Amixer.info:
   Card hw:0 'SB'/'HDA ATI SB at 0xc0400000 irq 40'
     Mixer name	: 'Realtek ALC861-VD'
     Components	: 'HDA:10ec0862,1179820d,00100001 HDA:11c11040,11790001,00100200'
     Controls      : 19
     Simple ctrls  : 12
  Desktop-Session:
   DESKTOP_SESSION = gnome-classic
   XDG_CONFIG_DIRS = /etc/xdg/xdg-gnome-classic:/etc/xdg
   XDG_DATA_DIRS = /usr/share/gnome-classic:/usr/share/gnome:/usr/local/share/:/usr/share/
  DistroRelease: Ubuntu 11.04
  Env:
   MOZ_PLUGIN_PATH = None
   LD_LIBRARY_PATH = None
  HibernationDevice: RESUME=UUID=5d87ad1c-529d-43e5-a5b9-d8bcc75895ce
  Lsusb:
   Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
   Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: TOSHIBA Satellite L35
  Package: linux (not installed)
  PackageArchitecture: i386
  PccardctlIdent:
   Socket 0:
     no product info available
  PccardctlStatus:
   Socket 0:
     no card
  ProcEnviron:
   LANGUAGE=en_US:en
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-13-generic root=UUID=8ed12067-caa1-4af3-b3b4-c97a2fe5cc3d ro radeon.modeset=1 acpi_sleep=nonvs resume=/dev/sda5 crashkernel=384M-2G:64M,2G-:128M quiet profile
  ProcVersionSignature: Ubuntu 2.6.38-13.52-generic 2.6.38.8
  ProcVersionSignature_: Ubuntu 2.6.38-13.52-generic 2.6.38.8
  ProcVersionSignature__: Ubuntu 2.6.38-13.52-generic 2.6.38.8
  RelatedPackageVersions:
   linux-restricted-modules-2.6.38-13-generic N/A
   linux-backports-modules-2.6.38-13-generic  N/A
   linux-firmware                             1.52
  RfKill:
   0: phy0: Wireless LAN
   	Soft blocked: no
   	Hard blocked: no
  Tags:  natty natty natty
  Uname: Linux 2.6.38-13-generic i686
  UnreportableReason:
   /usr/bin/firefox has been diverted by a third party package (dpkg-divert: warning: parsing file '/var/lib/dpkg/status' near line 59458 package 'mac-3.99-u4':
    error in Version string 'b3-1': version number does not start with digit)
  UpgradeStatus: Upgraded to natty on 2011-05-06 (206 days ago)
  UserGroups: adm admin audio cdrom dialout dip floppy fuse lpadmin netdev plugdev powerdev scanner video voice
  WpaSupplicantLog:
   
  chromium-default: CHROMIUM_FLAGS=""
  dmi.bios.date: 10/24/2007
  dmi.bios.vendor: TOSHIBA
  dmi.bios.version: V3.10
  dmi.board.name: Satellite L35
  dmi.board.vendor: TOSHIBA
  dmi.board.version: Not Applicable
  dmi.chassis.type: 10
  dmi.chassis.vendor: TOSHIBA
  dmi.chassis.version: N/A
  dmi.modalias: dmi:bvnTOSHIBA:bvrV3.10:bd10/24/2007:svnTOSHIBA:pnSatelliteL35:pvrPSL33U-03W02K:rvnTOSHIBA:rnSatelliteL35:rvrNotApplicable:cvnTOSHIBA:ct10:cvrN/A:
  dmi.product.name: Satellite L35
  dmi.product.version: PSL33U-03W02K
  dmi.sys.vendor: TOSHIBA

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