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On 2014-05-24T04:52:57+00:00 Christopher Chavez wrote:

Note: The component may be Lib/Xrender but Driver/intel was chosen due
to platform-specific issues.

This is the first of two bug reports I am filing, since the symptoms are
distinct.

I am using Ubuntu 14.04 with an Intel 82865G.
I and a few other users encountered an issue in Firefox (also using certain Intel IGPs, various distributions) where a recent feature added to Firefox (essentially, an auto-disappearing forward button) causes text in the address bar to become obscured/replaced by rectangles: see link.
https://bugzilla.mozilla.org/show_bug.cgi?id=1005501

While the Firefox team is considering implementing their own workaround,
the underlying problem is through Xrender, since the proposed workaround
is to disable it in Firefox. I am adding this bug report to document
this as an example, given the number of various corruption bugs out
there, to see if this can be connected with others, feedback on
additional information to collect, and possibly help to get a fix from
Xrender.


Side note: documentation from Intel says that the video BIOS (aka VBIOS) is sometimes responsible for the corruption of graphics, however for most users the only way this can be updated is by a system BIOS update, which I know in my case is not available.
http://www.intel.com/support/graphics/sb/CS-029985.htm
I am looking into a if it is possible to apply a VBIOS update e.g. using MEMDISK (from the SYSLINUX project) while in Grub2 (before booting Linux).

Reply at:
https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1314924/comments/6

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On 2014-05-24T06:30:42+00:00 Chris Wilson wrote:

*** Bug 79166 has been marked as a duplicate of this bug. ***

Reply at:
https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1314924/comments/7

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On 2014-05-24T06:31:26+00:00 Chris Wilson wrote:

Most important is your Xorg.0.log so that we identify driver versions
and likely known bugs.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1314924/comments/8

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On 2014-05-24T07:01:59+00:00 Christopher Chavez wrote:

Sure, I will get the Xorg.0.log later today, I know however that a
couple other users with this particular issue are using the 852GM/855GM
with "driverVersion": "1.3 Mesa 10.1.0".

Reply at:
https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1314924/comments/9

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On 2014-05-24T14:35:47+00:00 Götz Christ wrote:

Created attachment 99710
Xorg.0.log for i865G

Thanks Christopher for opening this report.

Chris, I'm one of the Firefox i865G users affected by this bug (xf86-video-intel 2.99.911). 
I have noticed that when I set UXA (or none) as acceleration method, Firefox renders the text correctly. And (using SNA) when setting gfx.xrender.enabled to false in Firefox, the bug goes away.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1314924/comments/10

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On 2014-05-24T15:33:23+00:00 Christopher Chavez wrote:

Created attachment 99716
another Xorg.0.log for i865G

Comparing with Götz', I am obviously not on the latest, so I will check
out the xorg ppa's and see what happens.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1314924/comments/11

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On 2014-05-24T16:00:29+00:00 Christopher Chavez wrote:

Created attachment 99719
working, new Xorg.0.log

I have updated to the ppa:xorg-edgers/ppa on launchpad and the issue is
no longer present. This bug can be closed.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1314924/comments/12

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On 2014-05-24T18:23:13+00:00 Chris Wilson wrote:

This is either bug 77201 or bug 75818.
.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1314924/comments/13


** Changed in: xserver-xorg-video-intel
       Status: Unknown => Fix Released

** Changed in: xserver-xorg-video-intel
   Importance: Unknown => Medium

-- 
You received this bug notification because you are a member of Desktop
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https://bugs.launchpad.net/bugs/1314924

Title:
  Adressbox Entries unreadable: Grey/Black Mask overlaying text

Status in X.org xf86-video-intel:
  Fix Released
Status in firefox package in Ubuntu:
  Confirmed
Status in xserver-xorg-video-intel package in Ubuntu:
  Fix Committed

Bug description:
  Labtop: Asus M2400, 512MB RAM, Pentium M "Banias" using "forcepae".
  OS: Xubuntu 14.04, all updates up to May 1, 2014.
  Application: Firefox 29, version "29.0+build1-0ubuntu0.14.04.2"

  Updated Firefox to Firefox 29 by automatic software update. Restarted
  firefox, now all the HTTP address entries in the address box are
  unreadable; it looks like they are masked by a black or grey/black
  mask. This independent of address and website.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: firefox 29.0+build1-0ubuntu0.14.04.2
  ProcVersionSignature: Ubuntu 3.13.0-24.46-generic 3.13.9
  Uname: Linux 3.13.0-24-generic i686
  AddonCompatCheckDisabled: False
  ApportVersion: 2.14.1-0ubuntu3
  Architecture: i386
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  tschmid    1708 F.... pulseaudio
                        lightdm    5509 F.... pulseaudio
  BuildID: 20140428194004
  Channel: Unavailable
  CurrentDesktop: XFCE
  Date: Thu May  1 10:24:14 2014
  ExecutablePath: /usr/lib/firefox/firefox
  ForcedLayersAccel: False
  IfupdownConfig:
   # interfaces(5) file used by ifup(8) and ifdown(8)
   auto lo
   iface lo inet loopback
  InstallationDate: Installed on 2014-04-19 (11 days ago)
  InstallationMedia: Xubuntu 14.04 LTS "Trusty Tahr" - Release i386 (20140416.2)
  IpRoute:
   default via 192.168.254.10 dev eth1  proto static 
   192.168.254.0/24 dev eth1  proto kernel  scope link  src 192.168.254.100  metric 9
  NoProfiles: True
  ProcEnviron:
   LANGUAGE=de_DE
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=de_DE.UTF-8
   SHELL=/bin/bash
  PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon.
  RfKill:
   0: phy0: Wireless LAN
   	Soft blocked: no
   	Hard blocked: no
  RunningIncompatibleAddons: False
  SourcePackage: firefox
  UpgradeStatus: No upgrade log present (probably fresh install)
  WifiSyslog:
   
  dmi.bios.date: 03/08/2004
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 0208
  dmi.board.name: M2N
  dmi.board.vendor: ASUSTeK Computer Inc.
  dmi.board.version: 1.0
  dmi.chassis.asset.tag: ATN12345678901234567
  dmi.chassis.type: 10
  dmi.chassis.vendor: ASUSTeK Computer Inc.
  dmi.chassis.version: 1.0
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr0208:bd03/08/2004:svnASUSTeKComputerInc.:pnM2N:pvr1.0:rvnASUSTeKComputerInc.:rnM2N:rvr1.0:cvnASUSTeKComputerInc.:ct10:cvr1.0:
  dmi.product.name: M2N
  dmi.product.version: 1.0
  dmi.sys.vendor: ASUSTeK Computer Inc.

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