[nexus7] Render error on ubuntu.com

[Michael Terry]

Parts of http://ubuntu.com don't render on the nexus7. Screenshot attached.

ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: firefox 19.0~b3+build1-0ubuntu1
Uname: Linux 3.1.10-8-nexus7 armv7l
AddonCompatCheckDisabled: False
ApportVersion: 2.8-0ubuntu2
Architecture: armhf
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: mike 1459 F.... pulseaudio
BuildID: 20130126082255
Channel: Unavailable
Date: Mon Jan 28 15:37:23 2013
ForcedLayersAccel: False
IfupdownConfig:
 # interfaces(5) file used by ifup(8) and ifdown(8)
 auto lo
 iface lo inet loopback
InstallationDate: Installed on 2000-01-01 (4776 days ago)
InstallationMedia: Ubuntu Raring Ringtail (development branch) - armhf (20130124-15:18)
IpRoute:
 default via 192.168.1.1 dev wlan0 proto static
 169.254.0.0/16 dev wlan0 scope link metric 1000
 192.168.1.0/24 dev wlan0 proto kernel scope link src 192.168.1.70 metric 9
Lspci:

MarkForUpload: True
PciNetwork:

Plugins:
 DivX® Web Player - /usr/lib/mozilla/plugins/libtotem-mully-plugin.so (totem-mozilla)
 QuickTime Plug-in 7.6.6 - /usr/lib/mozilla/plugins/libtotem-narrowspace-plugin.so (totem-mozilla)
 VLC Multimedia Plugin (compatible Videos 3.6.3) - /usr/lib/mozilla/plugins/libtotem-cone-plugin.so (totem-mozilla)
 iTunes Application Detector - /usr/lib/mozilla/plugins/librhythmbox-itms-detection-plugin.so (rhythmbox-mozilla)
 Windows Media Player Plug-in 10 (compatible; Videos) - /usr/lib/mozilla/plugins/libtotem-gmp-plugin.so (totem-mozilla)
PrefSources: prefs.js
ProcEnviron:
 TERM=xterm
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
Profiles: Profile0 (Default) - LastVersion=19.0/20130126082255 (In use)
RelatedPackageVersions:
 totem-mozilla 3.6.3-0ubuntu2
 rhythmbox-mozilla 2.98-0ubuntu3
RunningIncompatibleAddons: False
SourcePackage: firefox
UpgradeStatus: No upgrade log present (probably fresh install)