[Bug 1692298] [NEW] firefox hangs using 100% cpu

[Fernando Fernandez]

Public bug reported:

Firefox is hanging with no special pattern. It can be loading a saved
tab, open a new page, using an already opened page. It simply starts
using 100% cpu and becomes unusable, never coming back (>100 minutes).
This is random, happening a lot, but not always.

ProblemType: Bug
DistroRelease: Ubuntu 16.10
Package: firefox 53.0.2+build1-0ubuntu0.16.10.2
ProcVersionSignature: Ubuntu 4.8.0-52.55-generic 4.8.17
Uname: Linux 4.8.0-52-generic x86_64
AddonCompatCheckDisabled: False
ApportVersion: 2.20.3-0ubuntu8.2
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  ferdez     4504 F.... pulseaudio
BuildID: 20170509205820
Channel: Unavailable
CurrentDesktop: Unity
Date: Sun May 21 09:52:36 2017
DefaultProfileIncompatibleExtensions:
 Português Portugal Language Pack - langpack-pt-PT at firefox.mozilla.org
 English (GB) Language Pack - langpack-en-GB at firefox.mozilla.org
 English (South Africa) Language Pack - langpack-en-ZA at firefox.mozilla.org
 Português Brasileiro Language Pack - langpack-pt-BR at firefox.mozilla.org
 Default - {972ce4c6-7e08-4474-a285-3208198ce6fd}
DefaultProfilePlugins: Shockwave Flash - /usr/lib/flashplugin-installer/libflashplayer.so
DefaultProfilePrefSources:
 prefs.js
 user.js
 [Profile]/extensions/inspector at mozilla.org/defaults/preferences/inspector.js
ForcedLayersAccel: False
IfupdownConfig:
 # interfaces(5) file used by ifup(8) and ifdown(8)
 auto lo
 iface lo inet loopback
InstallationDate: Installed on 2016-05-16 (369 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
IpRoute:
 default via 192.168.1.254 dev wlp13s0  proto static  metric 600 
 169.254.0.0/16 dev virbr0  scope link  metric 1000 linkdown 
 172.17.0.0/16 dev docker0  proto kernel  scope link  src 172.17.0.1 linkdown 
 192.168.1.0/24 dev wlp13s0  proto kernel  scope link  src 192.168.1.113  metric 600 
 192.168.122.0/24 dev virbr0  proto kernel  scope link  src 192.168.122.1 linkdown
MostRecentCrashID: bp-964d1e04-1a6d-4531-9dc1-65b032150721
Profile1Extensions: extensions.sqlite corrupt or missing
Profile1IncompatibleExtensions: Unavailable (corrupt or non-existant compatibility.ini or extensions.sqlite)
Profile1Locales: extensions.sqlite corrupt or missing
Profile1Plugins: iTunes Application Detector - /usr/lib/mozilla/plugins/librhythmbox-itms-detection-plugin.so
Profile1PrefSources: prefs.js
Profile1Themes: extensions.sqlite corrupt or missing
Profiles:
 Profile0 (Default) - LastVersion=53.0.2/20170509205820 (In use)
 Profile1 - LastVersion=40.0.3/20150826185640 (Out of date)
RunningIncompatibleAddons: True
SourcePackage: firefox
UpgradeStatus: Upgraded to yakkety on 2016-10-29 (203 days ago)
dmi.bios.date: 10/08/2015
dmi.bios.vendor: INSYDE Corp.
dmi.bios.version: 1.20
dmi.board.name: 06F4
dmi.board.vendor: FF50
dmi.board.version: Type2 - Board Version
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: OEM Chassis ManuFacturer
dmi.chassis.version: OEM Chassis Version
dmi.modalias: dmi:bvnINSYDECorp.:bvr1.20:bd10/08/2015:svnTOSHIBA:pnSATELLITEP50-C:pvrPSPUEE-00C008EP:rvnFF50:rn06F4:rvrType2-BoardVersion:cvnOEMChassisManuFacturer:ct10:cvrOEMChassisVersion:
dmi.product.name: SATELLITE P50-C
dmi.product.version: PSPUEE-00C008EP
dmi.sys.vendor: TOSHIBA

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


** Tags: amd64 apport-bug yakkety

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Title:
   firefox hangs using 100% cpu

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