Bug#718177: iceweasel: Antialias randomly drawn too thick

Guillermo O. Freschi kedrot at gmail.com
Sun Jul 28 12:53:47 UTC 2013


Package: iceweasel
Version: 22.0-1
Severity: normal

Dear Maintainer,

During normal usage, whenever scrolling or filling in an input field,
text is sometimes drawn too bold. Selecting this text or losing focus
in the window seems to cause a redraw and temporarily fixes the issue,
until scrolling again. Apparently, the antialiasing is overdrawn and
appears much darker than it should.

The bug in action: http://imgur.com/8bCCqgl
The text rendered correctly, after losing focus: http://imgur.com/iDKWcKi
The diff between both images: http://imgur.com/TQP0c3T

I haven't reproduced the issue in other apps. I don't remember the issue
appearing in v21.

The issue remains present in --safe-mode, but much more rarely.

-- Package-specific info:

-- Extensions information
Name: Adblock Plus
Location: ${PROFILE_EXTENSIONS}/{d10d0bf8-f5b5-c8b4-a8b2-2b9879e08c5d}.xpi
Status: enabled

Name: BetterPrivacy
Location: ${PROFILE_EXTENSIONS}/{d40f5e7b-d2cf-4856-b441-cc613eeffbe3}.xpi
Status: enabled

Name: Default theme
Location: /usr/lib/iceweasel/browser/extensions/{972ce4c6-7e08-4474-a285-3208198ce6fd}
Package: iceweasel
Status: enabled

Name: Download YouTube Videos as MP4 greasemonkey-user-script
Status: user-disabled

Name: Firebug
Location: ${PROFILE_EXTENSIONS}/firebug at software.joehewitt.com.xpi
Status: enabled

Name: Ghostery
Location: ${PROFILE_EXTENSIONS}/firefox at ghostery.com
Status: enabled

Name: Greasemonkey
Location: ${PROFILE_EXTENSIONS}/{e4a8a97b-f2ed-450b-b12d-ee082ba24781}.xpi
Status: enabled

Name: Html Validator
Location: ${PROFILE_EXTENSIONS}/{3b56bcc7-54e5-44a2-9b44-66c3ef58c13e}
Status: enabled

Name: JSONView
Location: ${PROFILE_EXTENSIONS}/jsonview at brh.numbera.com.xpi
Status: enabled

Name: keyconfig
Location: ${PROFILE_EXTENSIONS}/keyconfig at dorando.xpi
Status: enabled

Name: NoScript
Location: ${PROFILE_EXTENSIONS}/{73a6fe31-595d-460b-a920-fcc0f8843232}.xpi
Status: enabled

Name: Open in Browser
Location: ${PROFILE_EXTENSIONS}/openinbrowser at www.spasche.net.xpi
Status: enabled

Name: Operator
Location: ${PROFILE_EXTENSIONS}/{95C9A302-8557-4052-91B7-2BB6BA33C885}.xpi
Status: enabled

Name: Page Speed
Location: ${PROFILE_EXTENSIONS}/{e3f6c2cc-d8db-498c-af6c-499fb211db97}
Status: user-disabled

Name: Pocket
Location: ${PROFILE_EXTENSIONS}/isreaditlater at ideashower.com
Status: enabled

Name: Qute Classic theme
Location: ${PROFILE_EXTENSIONS}/{5514CFC3-D9A8-4f1a-8DF1-930EBFB59901}.xpi
Status: user-disabled

Name: Reddit Enhancement Suite
Location: ${PROFILE_EXTENSIONS}/jid1-xUfzOsOFlzSOXg at jetpack.xpi
Status: enabled

Name: ShareMeNot
Location: ${PROFILE_EXTENSIONS}/sharemenot at franziroesner.com.xpi
Status: enabled

Name: SixOrNot
Location: ${PROFILE_EXTENSIONS}/sixornot at entropy.me.uk.xpi
Status: enabled

Name: SmartVideo For YouTube
Location: ${PROFILE_EXTENSIONS}/mytube at ashishmishra.in.xpi
Status: enabled

Name: Status-4-Evar
Location: ${PROFILE_EXTENSIONS}/status4evar at caligonstudios.com.xpi
Status: enabled

Name: TeX the world greasemonkey-user-script
Status: enabled

Name: url-addon-bar
Location: ${PROFILE_EXTENSIONS}/urlAddonBar at zbinlin.xpi
Status: enabled

Name: Web Developer
Location: ${PROFILE_EXTENSIONS}/{c45c406e-ab73-11d8-be73-000a95be3b12}.xpi
Status: user-disabled

Name: YSlow
Location: ${PROFILE_EXTENSIONS}/yslow at yahoo-inc.com.xpi
Status: user-disabled

-- Plugins information
Name: Shockwave Flash (11,2,202,291)
Location: /usr/lib/flashplugin-nonfree/libflashplayer.so
Status: enabled

Name: Skype Buttons for Kopete
Location: /usr/lib/mozilla/plugins/skypebuttons.so
Package: kopete
Status: disabled


-- Addons package information
ii  iceweasel      22.0-1       amd64        Web browser based on Firefox
ii  kopete         4:4.8.4-3    amd64        instant messaging and chat applic

-- System Information:
Debian Release: jessie/sid
  APT prefers testing
  APT policy: (990, 'testing')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 3.9-1-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages iceweasel depends on:
ii  debianutils          4.3.4
ii  fontconfig           2.10.2-2
ii  libatk1.0-0          2.8.0-2
ii  libc6                2.17-7
ii  libcairo2            1.12.14-4
ii  libfontconfig1       2.10.2-2
ii  libfreetype6         2.4.9-1.1
ii  libgcc1              1:4.8.1-2
ii  libgdk-pixbuf2.0-0   2.28.2-1
ii  libglib2.0-0         2.36.3-3
ii  libgtk2.0-0          2.24.20-1
ii  libnspr4             2:4.10-1
ii  libnspr4-0d          2:4.10-1
ii  libpango-1.0-0       1.32.5-5+b1
ii  libpangocairo-1.0-0  1.32.5-5+b1
ii  libpangoft2-1.0-0    1.32.5-5+b1
ii  libsqlite3-0         3.7.17-1
ii  libstdc++6           4.8.1-2
ii  procps               1:3.3.4-2
ii  xulrunner-22.0       22.0-1

iceweasel recommends no packages.

Versions of packages iceweasel suggests:
ii  fonts-stix [otf-stix]  1.1.0-1
ii  libgssapi-krb5-2       1.10.1+dfsg-6.1
pn  mozplugger             <none>

Versions of packages xulrunner-22.0 depends on:
ii  libasound2                1.0.27.1-2
ii  libatk1.0-0               2.8.0-2
ii  libbz2-1.0                1.0.6-4
ii  libc6                     2.17-7
ii  libcairo2                 1.12.14-4
ii  libdbus-1-3               1.6.12-1
ii  libdbus-glib-1-2          0.100.2-1
ii  libevent-2.0-5            2.0.21-stable-1
ii  libfontconfig1            2.10.2-2
ii  libfreetype6              2.4.9-1.1
ii  libgcc1                   1:4.8.1-2
ii  libgdk-pixbuf2.0-0        2.28.2-1
ii  libglib2.0-0              2.36.3-3
ii  libgtk2.0-0               2.24.20-1
ii  libhunspell-1.3-0         1.3.2-4
ii  libmozjs22d               22.0-1
ii  libnspr4                  2:4.10-1
ii  libnss3                   2:3.15-1
ii  libpango-1.0-0            1.32.5-5+b1
ii  libpangocairo-1.0-0       1.32.5-5+b1
ii  libpangoft2-1.0-0         1.32.5-5+b1
ii  libpixman-1-0             0.26.0-4
ii  libsqlite3-0              3.7.17-1
ii  libstartup-notification0  0.12-3
ii  libstdc++6                4.8.1-2
ii  libvpx1                   1.2.0-2
ii  libx11-6                  2:1.6.0-1
ii  libxext6                  2:1.3.2-1
ii  libxrender1               1:0.9.8-1
ii  libxt6                    1:1.1.3-1+deb7u1
ii  zlib1g                    1:1.2.8.dfsg-1

Versions of packages xulrunner-22.0 suggests:
ii  libcanberra0  0.30-2
pn  libgnomeui-0  <none>

-- no debconf information



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