[Bug 1354165] [NEW] Pandora does not work in latest firefox and causes it to hang after quitting

[Pausanias]

Public bug reported:

Logging in to pandora.com with fully updated 14.04, it does not play any
music. Certain elements of the website do not load.

Retried in safe mode, same issue---it does not work.

I have a 'premium' Pandora One account. On the same network, Firefox 31
on windows works fine.

I have checked that flash works fine and I've tested flash and there are
no problems. As far as I can tell, the problem is only with Pandora.

After trying to quit firefox following a visit to Pandora, the firefox
process does not end by itself (I once waited 10 minutes). The process
has to be killed manually via pkill, or firefox will not launch again.

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: firefox 31.0+build1-0ubuntu0.14.04.1
ProcVersionSignature: Ubuntu 3.13.0-32.57-generic 3.13.11.4
Uname: Linux 3.13.0-32-generic x86_64
NonfreeKernelModules: nvidia
AddonCompatCheckDisabled: False
ApportVersion: 2.14.1-0ubuntu3.2
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC1:  amahdavi  32320 F.... pulseaudio
 /dev/snd/controlC0:  amahdavi  32320 F.... pulseaudio
BuildID: 20140715214327
Channel: Unavailable
CurrentDesktop: Unity
Date: Thu Aug  7 14:07:05 2014
DefaultProfileExtensions: extensions.sqlite corrupt or missing
DefaultProfileIncompatibleExtensions: Unavailable (corrupt or non-existant compatibility.ini or extensions.sqlite)
DefaultProfileLocales: extensions.sqlite corrupt or missing
DefaultProfilePrefSources:
 prefs.js
 [Profile]/extensions/{3d7eb24f-2740-49df-8937-200b1cc08f8a}/defaults/preferences/flashblock.js
 [Profile]/extensions/support at lastpass.com/defaults/preferences/defaults.js
DefaultProfileThemes: extensions.sqlite corrupt or missing
ForcedLayersAccel: False
IfupdownConfig:
 # interfaces(5) file used by ifup(8) and ifdown(8)
 auto lo
 iface lo inet loopback
InstallationDate: Installed on 2014-03-17 (143 days ago)
InstallationMedia: It
IpRoute:
 default via 192.168.0.1 dev eth0  proto static 
 192.168.0.0/24 dev eth0  proto kernel  scope link  src 192.168.0.100  metric 1
IwConfig:
 eth0      no wireless extensions.
 
 lo        no wireless extensions.
Profile0Extensions: extensions.sqlite corrupt or missing
Profile0IncompatibleExtensions: Unavailable (corrupt or non-existant compatibility.ini or extensions.sqlite)
Profile0Locales: extensions.sqlite corrupt or missing
Profile0Plugins: pluginreg.dat exists but isn't parseable. Invalid path @ line 8
Profile0PrefSources: prefs.js
Profile0Themes: extensions.sqlite corrupt or missing
Profile1Extensions: extensions.sqlite corrupt or missing
Profile1IncompatibleExtensions: Unavailable (corrupt or non-existant compatibility.ini or extensions.sqlite)
Profile1Locales: extensions.sqlite corrupt or missing
Profile1Plugins: pluginreg.dat exists but isn't parseable. Invalid path @ line 8
Profile1PrefSources: prefs.js
Profile1Themes: extensions.sqlite corrupt or missing
Profile3Extensions: extensions.sqlite corrupt or missing
Profile3IncompatibleExtensions: Unavailable (corrupt or non-existant compatibility.ini or extensions.sqlite)
Profile3Locales: extensions.sqlite corrupt or missing
Profile3PrefSources: prefs.js
Profile3Themes: extensions.sqlite corrupt or missing
Profiles:
 Profile0 - LastVersion=3.6.2/20100316074819 (Out of date)
 Profile1 - LastVersion=3.6.2/20100316074819 (Out of date)
 Profile2 (Default) - LastVersion=31.0/20140715214327 (In use)
 Profile3 - LastVersion=31.0/20140715214327
RelatedPackageVersions:
 rhythmbox-mozilla 3.0.2-0ubuntu2
 totem-mozilla     3.10.1-1ubuntu4
RfKill:
 
RunningIncompatibleAddons: False
SourcePackage: firefox
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 09/05/2013
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A03
dmi.board.name: 09M8Y8
dmi.board.vendor: Dell Inc.
dmi.board.version: A01
dmi.chassis.type: 7
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvrA03:bd09/05/2013:svnDellInc.:pnPrecisionT3610:pvr01:rvnDellInc.:rn09M8Y8:rvrA01:cvnDellInc.:ct7:cvr:
dmi.product.name: Precision T3610
dmi.product.version: 01
dmi.sys.vendor: Dell Inc.

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


** Tags: amd64 apport-bug trusty

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https://bugs.launchpad.net/bugs/1354165

Title:
  Pandora does not work in latest firefox and causes it to hang after
  quitting

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