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[Dennis Sheil <1521789@xxxxxxxxxxxxxxxxxx>]

I just upgraded to 15.10.  I created a new account to replicate the bug,
so no old settings would interfere.

I launch firefox, go through some tabs, and within a few minutes it
freezes.  This happens over and over when I try to use firefox.  This
did not happen on 15.04.  But when I upgraded to 15.10, it started
happening.  Again, I just created this account on this machine, so it
has all the default settings.

I did all the apt-get upgrades and rebooted the machine right before
launching firefox to capture this last freeze.


Here is what it says on the command line:

$ firefox 
org.gtk.vfs.MountTracker.listMountableInfo call failed: GDBus.Error:org.freedesktop.DBus.Error.AccessDenied: An AppArmor policy prevents this sender from sending this message to this recipient; type="method_call", sender=":1.168" (uid=1003 pid=11496 comm="/usr/lib/firefox/firefox ") interface="org.gtk.vfs.MountTracker" member="ListMountableInfo" error name="(unset)" requested_reply="0" destination=":1.9" (uid=1003 pid=3125 comm="/usr/lib/gvfs/gvfsd ") (g-dbus-error-quark, 9)
org.gtk.vfs.MountTracker.listMountableInfo call failed: GDBus.Error:org.freedesktop.DBus.Error.AccessDenied: An AppArmor policy prevents this sender from sending this message to this recipient; type="method_call", sender=":1.171" (uid=1003 pid=11572 comm="/usr/lib/firefox/plugin-container -greomni /usr/li") interface="org.gtk.vfs.MountTracker" member="ListMountableInfo" error name="(unset)" requested_reply="0" destination=":1.9" (uid=1003 pid=3125 comm="/usr/lib/gvfs/gvfsd ") (g-dbus-error-quark, 9)
Vector smash protection is enabled.
2.4+ kernel w/o ELF notes? -- report this

(firefox:11496): GStreamer-WARNING **: External plugin loader failed.
This most likely means that the plugin loader helper binary was not
found or could not be run. You might need to set the GST_PLUGIN_SCANNER
environment variable if your setup is unusual. This should normally not
be required though.

(firefox:11496): GLib-GObject-WARNING **: cannot register existing type
'GdkDisplay'

(firefox:11496): GLib-CRITICAL **: g_once_init_leave: assertion 'result
!= 0' failed

(firefox:11496): GLib-GObject-CRITICAL **: g_type_register_static:
assertion 'parent_type > 0' failed

(firefox:11496): GLib-GObject-CRITICAL **: g_type_add_interface_static:
assertion 'G_TYPE_IS_INSTANTIATABLE (instance_type)' failed

(firefox:11496): GLib-CRITICAL **: g_once_init_leave: assertion 'result != 0' failed
d^C
testacct@backus:~/e$ [Child 11572] ###!!! ABORT: Aborting on channel error.: file /build/firefox-undGCc/firefox-42.0+build2/ipc/glue/MessageChannel.cpp, line 1768
[Child 11572] ###!!! ABORT: Aborting on channel error.: file /build/firefox-undGCc/firefox-42.0+build2/ipc/glue/MessageChannel.cpp, line 1768

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to firefox in Ubuntu.
https://bugs.launchpad.net/bugs/1521789

Title:
  firefox freezes with GStreamer-WARNING **: External plugin loader
  failed.

Status in firefox package in Ubuntu:
  New

Bug description:
  firefox freezes

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: firefox 42.0+build2-0ubuntu0.15.10.1
  ProcVersionSignature: Ubuntu 4.2.0-19.23-generic 4.2.6
  Uname: Linux 4.2.0-19-generic x86_64
  AddonCompatCheckDisabled: False
  ApportVersion: 2.19.1-0ubuntu5
  Architecture: amd64
  BuildID: 20151030083518
  Channel: Unavailable
  CurrentDesktop: Unity
  Date: Tue Dec  1 17:55:35 2015
  ExecutablePath: /usr/lib/firefox/firefox
  Extensions: extensions.sqlite corrupt or missing
  ForcedLayersAccel: False
  IfupdownConfig:
   # interfaces(5) file used by ifup(8) and ifdown(8)
   auto lo
   iface lo inet loopback
  IncompatibleExtensions: Unavailable (corrupt or non-existant compatibility.ini or extensions.sqlite)
  IpRoute:
   default via 10.128.128.128 dev wlan0  proto static  metric 600
   10.0.0.0/8 dev wlan0  proto kernel  scope link  src 10.194.251.198  metric 600
   169.254.0.0/16 dev wlan0  scope link  metric 1000
  Locales: extensions.sqlite corrupt or missing
  Plugins:
   iTunes Application Detector - /usr/lib/mozilla/plugins/librhythmbox-itms-detection-plugin.so (rhythmbox-mozilla)
   Shockwave Flash - /usr/lib/flashplugin-installer/libflashplayer.so
  PrefSources: prefs.js
  ProcAttrCurrent: /usr/lib/firefox/firefox{,*[^s][^h]} (enforce)
  Profiles: Profile0 (Default) - LastVersion=42.0/20151030083518
  PulseList:
   Error: command ['pacmd', 'list'] failed with exit code 1: Home directory not accessible: Permission denied
   No PulseAudio daemon running, or not running as session daemon.
  RunningIncompatibleAddons: False
  SourcePackage: firefox
  Themes: extensions.sqlite corrupt or missing
  UpgradeStatus: Upgraded to wily on 2015-11-22 (9 days ago)
  dmi.bios.date: 06/23/2014
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 1.03.05RS761
  dmi.board.asset.tag: Tag 12345
  dmi.board.name: Gazelle Professional
  dmi.board.vendor: System76, Inc.
  dmi.board.version: gazp9b
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 9
  dmi.chassis.vendor: System76, Inc.
  dmi.chassis.version: gazp9b
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr1.03.05RS761:bd06/23/2014:svnSystem76,Inc.:pnGazelleProfessional:pvrgazp9b:rvnSystem76,Inc.:rnGazelleProfessional:rvrgazp9b:cvnSystem76,Inc.:ct9:cvrgazp9b:
  dmi.product.name: Gazelle Professional
  dmi.product.version: gazp9b
  dmi.sys.vendor: System76, Inc.

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