Public bug reported:
Firefox has begun rendering fonts incorrectly in some situations. I
have noticed this mostly in Gmail and Google Docs, where red text will
have dark pixels on the left side of characters (see attachment; left is
Firefox, right is Chrome). On some other websites, lightly-colored text
will have lighter-colored pixels drawn on the left side of the
characters. However, the issue is not limited to red text. Even black
text seems rendered/smoothed poorly in Firefox compared to Chrome
(perhaps this part is subjective).
Oddly it also does not happen on every website. Writing "Gmail" and
"Inbox" in red 12pt Arial in Google Documents exhibits the problem seen
in the attached screenshot, while writing the same text in Zoho Writer
does not. In Google Documents, I can actually see the text rendered
without this problem for a moment as the page loads, but something gets
applied during the page loading process that changes the rendering to
its final distorted state.
Finally, running in safe mode or using a new profile do not affect this
problem. I do not recall seeing this problem in versions before 18.0,
but it could have been around in later revisions of v17. I also haven't
been able to notice this problem in other desktop applications.
Release: Ubuntu 12.10
Package: Firefox 18.0.1+build1-0ubuntu0.12.10.1
Expected: Fonts are drawn correctly.
Instead: Colored fonts have incorrectly-colored features on the left side.
ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: firefox 18.0.1+build1-0ubuntu0.12.10.1
ProcVersionSignature: Ubuntu 3.5.0-22.34-generic 3.5.7.2
Uname: Linux 3.5.0-22-generic i686
AddonCompatCheckDisabled: False
ApportVersion: 2.6.1-0ubuntu9
Architecture: i386
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: fourwood 1988 F.... pulseaudio
BuildID: 20130116231921
Channel: Unavailable
Date: Fri Jan 25 11:45:31 2013
ForcedLayersAccel: False
IfupdownConfig:
auto lo
iface lo inet loopback
InstallationDate: Installed on 2011-10-16 (467 days ago)
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012)
IpRoute:
default via 192.168.5.1 dev eth0 proto static
169.254.0.0/16 dev eth0 scope link metric 1000
192.168.5.0/24 dev eth0 proto kernel scope link src 192.168.5.165 metric 1
MarkForUpload: True
MostRecentCrashID: bp-ea3fb463-f6c0-499e-b262-b35e42120312
PrefSources:
prefs.js
[Profile]/extensions/twitternotif...@naan.net/defaults/preferences/pref.js
Profiles: Profile0 (Default) - LastVersion=18.0.1/20130116231921 (In use)
RelatedPackageVersions:
rhythmbox-mozilla 2.97-1ubuntu6.1
icedtea-7-plugin 1.3-1ubuntu1.1
totem-mozilla 3.4.3-0ubuntu5
RfKill:
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: yes
RunningIncompatibleAddons: False
SourcePackage: firefox
SubmittedCrashIDs: bp-ea3fb463-f6c0-499e-b262-b35e42120312
UpgradeStatus: Upgraded to quantal on 2012-10-18 (98 days ago)
WifiSyslog:
dmi.bios.date: 10/10/2008
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A06
dmi.board.name: 0HT027
dmi.board.vendor: Dell Inc.
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvrA06:bd10/10/2008:svnDellInc.:pnLatitudeE6400:pvr:rvnDellInc.:rn0HT027:rvr:cvnDellInc.:ct8:cvr:
dmi.product.name: Latitude E6400
dmi.sys.vendor: Dell Inc.
** Affects: firefox (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386 quantal running-unity
** Attachment added: "Comparison image between Firefox and Chrome"
https://bugs.launchpad.net/bugs/1105328/+attachment/3500390/+files/gmail.png
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https://bugs.launchpad.net/bugs/1105328
Title:
Firefox renders text poorly on some sites
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