[Bug 914312] [NEW] Firefox + Gmail = JS Error (malformed Unicode character escape sequence)

[Matt Schlitz]

Public bug reported:

After I successfully log into Gmail (http://mail.google.com) via Firefox
and the page has finished loading, I begin receiving the following error
message continuously in the Javascript Console:

Error: malformed Unicode character escape sequence
Source File: javascript:yj_api0_DoFSCommand('msg','%5B%22%5Cu0NaN%5Cu0NaN%5Cu0NaN%5Cu0NaN%5Cu0NaN%5Cu0NaN%5Cu0NaN%5Cu0NaN%5Cu0NaN%5Cu0NaN%5Cu0NaN%5Cu0NaN%5Cu0NaN%5Cu0NaN%5Cu0NaN%5Cu0NaN%22%2C%22%5Cu0NaN%5Cu0NaN%5Cu0NaN%5Cu0NaN%5Cu0NaN%5Cu0NaN%5Cu0NaN%5Cu0NaN%5Cu0NaN%5Cu0NaN%22%2C%5B%22%5Cu0NaN%5Cu0NaN%5Cu0NaN%5Cu0NaN%5Cu0NaN%5Cu0NaN%22%5D%5D')
Line: 1, Column: 26
Source Code:
yj_api0_DoFSCommand('msg','["\u0NaN\u0NaN\u0NaN\u0NaN\u0NaN\u0NaN\u0NaN\u0NaN\u0NaN\u0NaN\u0NaN\u0NaN\u0NaN\u0NaN\u0NaN\u0NaN","\u0NaN\u0NaN\u0NaN\u0NaN\u0NaN\u0NaN\u0NaN\u0NaN\u0NaN\u0NaN",["\u0NaN\u0NaN\u0NaN\u0NaN\u0NaN\u0NaN"]]')

This does not seem to effect the functionality of Gmail itself but, as
stated prior, it continually adds to the console until I close the tab
(making web development difficult).

I have used Chromium and did not receive the error.  I have used FF on a
Windows machine and did not receive the error. This leads me to believe
that it is the specific combination of Gmail + FF + Ubuntu.

ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: firefox 9.0.1+build1-0ubuntu0.11.10.2
ProcVersionSignature: Ubuntu 3.0.0-14.23-generic-pae 3.0.9
Uname: Linux 3.0.0-14-generic-pae i686
AddonCompatCheckDisabled: False
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 1.23-0ubuntu4
Architecture: i386
ArecordDevices:
 **** List of CAPTURE Hardware Devices ****
 card 0: Intel [HDA Intel], device 0: STAC92xx Analog [STAC92xx Analog]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC1:  mschlitz   1667 F.... pulseaudio
 /dev/snd/controlC0:  mschlitz   1667 F.... pulseaudio
BuildID: 20111228084953
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xe9660000 irq 44'
   Mixer name	: 'IDT 92HD81B1C5'
   Components	: 'HDA:111d76d5,1028040b,00100104'
   Controls      : 15
   Simple ctrls  : 10
Card1.Amixer.info:
 Card hw:1 'NVidia'/'HDA NVidia at 0xe3080000 irq 16'
   Mixer name	: 'Nvidia GPU 0b HDMI/DP'
   Components	: 'HDA:10de000b,10de0101,00100100'
   Controls      : 16
   Simple ctrls  : 4
Channel: release
Date: Tue Jan 10 08:53:11 2012
ForcedLayersAccel: False
IfupdownConfig:
 auto lo
 iface lo inet loopback
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012)
Plugins:
 DivX® Web Player - Lib=libtotem-mully-plugin.so, Location=/usr/lib/mozilla/plugins
 VLC Multimedia Plugin (compatible Totem 3.0.1) - Lib=libtotem-cone-plugin.so, Location=/usr/lib/mozilla/plugins
 QuickTime Plug-in 7.6.6 - Lib=libtotem-narrowspace-plugin.so, Location=/usr/lib/mozilla/plugins
 Windows Media Player Plug-in 10 (compatible; Totem) - Lib=libtotem-gmp-plugin.so, Location=/usr/lib/mozilla/plugins
 Shockwave Flash - Lib=libgnashplugin.so, Location=/usr/lib/gnash
ProcEnviron:
 PATH=(custom, user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
Profiles: Profile0 (Default) - LastVersion=9.0.1/20111228084953 (Running)
RunningIncompatibleAddons: False
SourcePackage: firefox
UpgradeStatus: No upgrade log present (probably fresh install)
WifiSyslog:
 Jan 10 08:24:40 mschlitz-Linux-PC kernel: [ 1825.966551] show_signal_msg: 21 callbacks suppressed
 Jan 10 08:24:40 mschlitz-Linux-PC kernel: [ 1825.966570] indicator-weath[1676]: segfault at fffffffd ip b741c90e sp bfa04bec error 4 in libc-2.13.so[b73aa000+176000]
dmi.bios.date: 05/28/2010
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A03
dmi.board.name: 0N5KHN
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 9
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvrA03:bd05/28/2010:svnDellInc.:pnLatitudeE6510:pvr0001:rvnDellInc.:rn0N5KHN:rvrA00:cvnDellInc.:ct9:cvr:
dmi.product.name: Latitude E6510
dmi.product.version: 0001
dmi.sys.vendor: Dell Inc.

** Affects: firefox (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug i386 oneiric running-unity

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Title:
  Firefox + Gmail = JS Error (malformed Unicode character escape
  sequence)

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