Public bug reported:

Starting from version 69.0.3497.81 Chromium browser stopped honoring IP version 
priority configured in /etc/gai.conf. I have the following entry there:
===
#    For sites which prefer IPv4 connections change the last line to
#
precedence ::ffff:0:0/96  100
===
Which should prioritize IPv4 over IPv6, but Chromium still uses IPv6 when 
available.

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: chromium-browser 69.0.3497.81-0ubuntu0.16.04.1
ProcVersionSignature: Ubuntu 4.15.0-34.37~16.04.1-generic 4.15.18
Uname: Linux 4.15.0-34-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.18
Architecture: amd64
CurrentDesktop: Unity
CurrentDmesg: Error: command ['dmesg'] failed with exit code 1: dmesg: read 
kernel buffer failed: Operation not permitted
DRM.card0-DP-1:
 enabled: disabled
 dpms: Off
 status: disconnected
 edid-base64: 
 modes:
DRM.card0-DP-2:
 enabled: disabled
 dpms: Off
 status: disconnected
 edid-base64: 
 modes:
DRM.card0-HDMI-A-1:
 enabled: disabled
 dpms: Off
 status: disconnected
 edid-base64: 
 modes:
DRM.card0-HDMI-A-2:
 enabled: disabled
 dpms: Off
 status: disconnected
 edid-base64: 
 modes:
DRM.card0-eDP-1:
 enabled: enabled
 dpms: On
 status: connected
 edid-base64: 
AP///////wANruUVAAAAABQaAQSVIhN4Aihll1lUjiceUFQAAAABAQEBAQEBAQEBAQEBAQEBtDuASnE4NEBQNmgAWMEQAAAYAAAA/gBOMTU2SENBLUVBQQogAAAA/gBDTU4KICAgICAgICAgAAAA/gBOMTU2SENBLUVBQQogANM=
 modes: 1920x1080
Date: Fri Sep 14 01:38:33 2018
Desktop-Session:
 'ubuntu'
 '/etc/xdg/xdg-ubuntu:/usr/share/upstart/xdg:/etc/xdg'
 
'/usr/share/ubuntu:/usr/share/gnome:/usr/local/share:/usr/share:/var/lib/snapd/desktop'
DetectedPlugins:
 
Env:
 'None'
 'None'
Load-Avg-1min: 0.32
Load-Processes-Running-Percent:   0.1%
Lsusb:
 Bus 002 Device 002: ID 0bda:0316 Realtek Semiconductor Corp. 
 Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
 Bus 001 Device 003: ID 13d3:5619 IMC Networks 
 Bus 001 Device 002: ID 8087:0a2b Intel Corp. 
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: LENOVO 20HAS20T00
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.15.0-34-generic 
root=/dev/mapper/afaians--ub16--vg-root ro quiet
SourcePackage: chromium-browser
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 02/07/2018
dmi.bios.vendor: LENOVO
dmi.bios.version: N1VET40W (1.30 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20HAS20T00
dmi.board.vendor: LENOVO
dmi.board.version: SDK0J40697 WIN
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.modalias: 
dmi:bvnLENOVO:bvrN1VET40W(1.30):bd02/07/2018:svnLENOVO:pn20HAS20T00:pvrThinkPadT570:rvnLENOVO:rn20HAS20T00:rvrSDK0J40697WIN:cvnLENOVO:ct10:cvrNone:
dmi.product.family: ThinkPad T570
dmi.product.name: 20HAS20T00
dmi.product.version: ThinkPad T570
dmi.sys.vendor: LENOVO
modified.conffile..etc.default.chromium-browser: [deleted]

** Affects: chromium-browser (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug xenial

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to chromium-browser in Ubuntu.
https://bugs.launchpad.net/bugs/1792473

Title:
  Chromium is not honoring IP version priority

Status in chromium-browser package in Ubuntu:
  New

Bug description:
  Starting from version 69.0.3497.81 Chromium browser stopped honoring IP 
version priority configured in /etc/gai.conf. I have the following entry there:
  ===
  #    For sites which prefer IPv4 connections change the last line to
  #
  precedence ::ffff:0:0/96  100
  ===
  Which should prioritize IPv4 over IPv6, but Chromium still uses IPv6 when 
available.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: chromium-browser 69.0.3497.81-0ubuntu0.16.04.1
  ProcVersionSignature: Ubuntu 4.15.0-34.37~16.04.1-generic 4.15.18
  Uname: Linux 4.15.0-34-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  CurrentDesktop: Unity
  CurrentDmesg: Error: command ['dmesg'] failed with exit code 1: dmesg: read 
kernel buffer failed: Operation not permitted
  DRM.card0-DP-1:
   enabled: disabled
   dpms: Off
   status: disconnected
   edid-base64: 
   modes:
  DRM.card0-DP-2:
   enabled: disabled
   dpms: Off
   status: disconnected
   edid-base64: 
   modes:
  DRM.card0-HDMI-A-1:
   enabled: disabled
   dpms: Off
   status: disconnected
   edid-base64: 
   modes:
  DRM.card0-HDMI-A-2:
   enabled: disabled
   dpms: Off
   status: disconnected
   edid-base64: 
   modes:
  DRM.card0-eDP-1:
   enabled: enabled
   dpms: On
   status: connected
   edid-base64: 
AP///////wANruUVAAAAABQaAQSVIhN4Aihll1lUjiceUFQAAAABAQEBAQEBAQEBAQEBAQEBtDuASnE4NEBQNmgAWMEQAAAYAAAA/gBOMTU2SENBLUVBQQogAAAA/gBDTU4KICAgICAgICAgAAAA/gBOMTU2SENBLUVBQQogANM=
   modes: 1920x1080
  Date: Fri Sep 14 01:38:33 2018
  Desktop-Session:
   'ubuntu'
   '/etc/xdg/xdg-ubuntu:/usr/share/upstart/xdg:/etc/xdg'
   
'/usr/share/ubuntu:/usr/share/gnome:/usr/local/share:/usr/share:/var/lib/snapd/desktop'
  DetectedPlugins:
   
  Env:
   'None'
   'None'
  Load-Avg-1min: 0.32
  Load-Processes-Running-Percent:   0.1%
  Lsusb:
   Bus 002 Device 002: ID 0bda:0316 Realtek Semiconductor Corp. 
   Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
   Bus 001 Device 003: ID 13d3:5619 IMC Networks 
   Bus 001 Device 002: ID 8087:0a2b Intel Corp. 
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: LENOVO 20HAS20T00
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.15.0-34-generic 
root=/dev/mapper/afaians--ub16--vg-root ro quiet
  SourcePackage: chromium-browser
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 02/07/2018
  dmi.bios.vendor: LENOVO
  dmi.bios.version: N1VET40W (1.30 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20HAS20T00
  dmi.board.vendor: LENOVO
  dmi.board.version: SDK0J40697 WIN
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: None
  dmi.modalias: 
dmi:bvnLENOVO:bvrN1VET40W(1.30):bd02/07/2018:svnLENOVO:pn20HAS20T00:pvrThinkPadT570:rvnLENOVO:rn20HAS20T00:rvrSDK0J40697WIN:cvnLENOVO:ct10:cvrNone:
  dmi.product.family: ThinkPad T570
  dmi.product.name: 20HAS20T00
  dmi.product.version: ThinkPad T570
  dmi.sys.vendor: LENOVO
  modified.conffile..etc.default.chromium-browser: [deleted]

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