Bug#798285: iceweasel: screen corruption in tab titles

[Eric Cooper]

Package: iceweasel
Version: 40.0.3-3
Severity: minor

(This problem appears to be similar to #725726, but occurs with
newly-created tabs.)

The title text displayed in tabs gets slightly corrupted.  I've attached
two examples.  When I mouse over the corrupted tab titles, they
redisplay cleanly.  I haven't yet narrowed down a repeatable series of
actions that causes them to be corrupted.

-- Package-specific info:

-- Extensions information
Name: Adblock Plus
Location: /usr/share/mozilla/extensions/{ec8030f7-c20a-464f-9b0e-13a3a9e97384}/{d10d0bf8-f5b5-c8b4-a8b2-2b9879e08c5d}
Package: xul-ext-adblock-plus
Status: enabled

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

Name: Live HTTP headers
Location: /usr/share/mozilla/extensions/{ec8030f7-c20a-464f-9b0e-13a3a9e97384}/{8f8fe09b-0bd3-4470-bc1b-8cad42b8203a}
Package: xul-ext-livehttpheaders
Status: enabled

-- Plugins information
Name: Java(TM) Plug-in 10.51.2 (10.51.2)
Location: /usr/lib/jvm/jdk-7-oracle-x64/jre/lib/amd64/libnpjp2.so
Package: oracle-java7-jdk
Status: enabled

Name: MozPlugger 1.14.5 handles QuickTime and Windows Media Player Plugin (1.14.5)
Location: /usr/lib/mozilla/plugins/mozplugger.so
Package: mozplugger
Status: enabled

Name: Shockwave Flash (11.2.202.508)
Location: /usr/lib/flashplugin-nonfree/libflashplayer.so
Status: enabled


-- Addons package information
ii  iceweasel      40.0.3-3     amd64        Web browser based on Firefox
ii  mozplugger     1.14.5-2     amd64        Plugin allowing external viewers
ii  oracle-java7-j 7u51         amd64        Java™ Platform, Standard Editio
ii  xul-ext-adbloc 2.6.10+dfsg- all          advertisement blocking extension
ii  xul-ext-liveht 0.17-4       all          add information about HTTP header

-- System Information:
Debian Release: stretch/sid
  APT prefers testing
  APT policy: (500, 'testing'), (400, 'unstable'), (1, 'experimental')
Architecture: amd64 (x86_64)

Kernel: Linux 4.1.0-1-amd64 (SMP w/8 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages iceweasel depends on:
ii  debianutils               4.5.1
ii  fontconfig                2.11.0-6.3
ii  libasound2                1.0.29-1
ii  libatk1.0-0               2.16.0-2
ii  libc6                     2.19-19
ii  libcairo2                 1.14.2-2
ii  libdbus-1-3               1.8.20-1
ii  libdbus-glib-1-2          0.102-1
ii  libevent-2.0-5            2.0.21-stable-2
ii  libffi6                   3.2.1-3
ii  libfontconfig1            2.11.0-6.3
ii  libfreetype6              2.5.2-4
ii  libgcc1                   1:5.2.1-16
ii  libgdk-pixbuf2.0-0        2.31.5-1
ii  libglib2.0-0              2.44.1-1.1
ii  libgtk2.0-0               2.24.28-1
ii  libhunspell-1.3-0         1.3.3-3
ii  libnspr4                  2:4.10.9-2
ii  libnss3                   2:3.20-1
ii  libpango-1.0-0            1.36.8-3
ii  libsqlite3-0              3.8.11.1-1
ii  libstartup-notification0  0.12-4
ii  libstdc++6                5.2.1-16
ii  libvpx2                   1.4.0-4
ii  libx11-6                  2:1.6.3-1
ii  libxcomposite1            1:0.4.4-1
ii  libxdamage1               1:1.1.4-2+b1
ii  libxext6                  2:1.3.3-1
ii  libxfixes3                1:5.0.1-2+b2
ii  libxrender1               1:0.9.8-1+b1
ii  libxt6                    1:1.1.4-1+b1
ii  procps                    2:3.3.10-2
ii  zlib1g                    1:1.2.8.dfsg-2+b1

Versions of packages iceweasel recommends:
ii  gstreamer1.0-libav         1.4.5-3
ii  gstreamer1.0-plugins-good  1.4.5-2+b1

Versions of packages iceweasel suggests:
pn  fonts-lmodern          <none>
pn  fonts-stix | otf-stix  <none>
ii  libcanberra0           0.30-2.1
ii  libgnomeui-0           2.24.5-3
ii  libgssapi-krb5-2       1.13.2+dfsg-2
ii  mozplugger             1.14.5-2

-- no debconf information
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