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[Bug 1458715] [NEW] Firefox 38.0 packaged for Trusty Tahr is leading to memory overflow and higher CPU usage

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Public bug reported:

Memory overflow and higher CPU usage happened twice in two situations:

1. When application started, with just the tiled page and a local help
file "file:///usr/share/doc/python3.4/html/library/index.html" pinned;

2. After opening some tabs with some bookmarked/recent visited pages in
the tiles.


In less than a minute opened, it was noticed the lack of responsiveness.
After a quick check in the System Monitor process list (screen shot attached), Firefox was taking 4.5GB RAM and using 25% CPU (a dedicated core).

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: firefox 38.0+build3-0ubuntu0.14.04.1
ProcVersionSignature: Ubuntu 3.13.0-53.89-generic 3.13.11-ckt19
Uname: Linux 3.13.0-53-generic x86_64
AddonCompatCheckDisabled: False
ApportVersion: 2.14.1-0ubuntu3.11
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  paulo      3124 F.... pulseaudio
 /dev/snd/pcmC0D0p:   paulo      3124 F...m pulseaudio
BuildID: 20150511103818
Channel: Unavailable
CurrentDesktop: Unity
Date: Mon May 25 23:23:38 2015
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)
InstallationDate: Installed on 2014-03-17 (434 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20140316)
IpRoute:
 default via 10.0.0.1 dev wlan0  proto static 
 10.0.0.0/24 dev wlan0  proto kernel  scope link  src 10.0.0.100  metric 9
Locales: extensions.sqlite corrupt or missing
MostRecentCrashID: bp-a543f54d-365f-43e6-8c31-a4b742150524
PrefSources: prefs.js
Profiles: Profile0 (Default) - LastVersion=38.0/20150511103818
RelatedPackageVersions:
 icedtea-7-plugin  1.5-1ubuntu1
 totem-mozilla     3.10.1-1ubuntu4.1
 rhythmbox-mozilla 3.0.2-0ubuntu2+grilo
RfKill:
 0: phy0: Wireless LAN
 	Soft blocked: no
 	Hard blocked: no
RunningIncompatibleAddons: False
SourcePackage: firefox
SubmittedCrashIDs: bp-a543f54d-365f-43e6-8c31-a4b742150524
Themes: extensions.sqlite corrupt or missing
UpgradeStatus: No upgrade log present (probably fresh install)
WifiSyslog: May 25 22:34:09 ORO-Laptop NetworkManager[1074]: <warn> nl_recvmsgs() error: (-33) Dump inconsistency detected, interrupted
dmi.bios.date: 11/15/2012
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 1.04.DGT(oro) Test
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.version: To be filled by O.E.M.
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr1.04.DGT(oro)Test:bd11/15/2012:svn:pn:pvrTobefilledbyO.E.M.:rvn:rn:rvrTobefilledbyO.E.M.:cvn:ct3:cvrToBeFilledByO.E.M.:
dmi.product.version: To be filled by O.E.M.

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


** Tags: amd64 apport-bug third-party-packages trusty

** Attachment added: "System Monitor screenshot"
   https://bugs.launchpad.net/bugs/1458715/+attachment/4404408/+files/processes.png

-- 
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/1458715

Title:
  Firefox 38.0 packaged for Trusty Tahr is leading to memory overflow
  and higher CPU usage

Status in firefox package in Ubuntu:
  New

Bug description:
  Memory overflow and higher CPU usage happened twice in two situations:

  1. When application started, with just the tiled page and a local help
  file "file:///usr/share/doc/python3.4/html/library/index.html" pinned;

  2. After opening some tabs with some bookmarked/recent visited pages
  in the tiles.

  
  In less than a minute opened, it was noticed the lack of responsiveness.
  After a quick check in the System Monitor process list (screen shot attached), Firefox was taking 4.5GB RAM and using 25% CPU (a dedicated core).

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: firefox 38.0+build3-0ubuntu0.14.04.1
  ProcVersionSignature: Ubuntu 3.13.0-53.89-generic 3.13.11-ckt19
  Uname: Linux 3.13.0-53-generic x86_64
  AddonCompatCheckDisabled: False
  ApportVersion: 2.14.1-0ubuntu3.11
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  paulo      3124 F.... pulseaudio
   /dev/snd/pcmC0D0p:   paulo      3124 F...m pulseaudio
  BuildID: 20150511103818
  Channel: Unavailable
  CurrentDesktop: Unity
  Date: Mon May 25 23:23:38 2015
  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)
  InstallationDate: Installed on 2014-03-17 (434 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20140316)
  IpRoute:
   default via 10.0.0.1 dev wlan0  proto static 
   10.0.0.0/24 dev wlan0  proto kernel  scope link  src 10.0.0.100  metric 9
  Locales: extensions.sqlite corrupt or missing
  MostRecentCrashID: bp-a543f54d-365f-43e6-8c31-a4b742150524
  PrefSources: prefs.js
  Profiles: Profile0 (Default) - LastVersion=38.0/20150511103818
  RelatedPackageVersions:
   icedtea-7-plugin  1.5-1ubuntu1
   totem-mozilla     3.10.1-1ubuntu4.1
   rhythmbox-mozilla 3.0.2-0ubuntu2+grilo
  RfKill:
   0: phy0: Wireless LAN
   	Soft blocked: no
   	Hard blocked: no
  RunningIncompatibleAddons: False
  SourcePackage: firefox
  SubmittedCrashIDs: bp-a543f54d-365f-43e6-8c31-a4b742150524
  Themes: extensions.sqlite corrupt or missing
  UpgradeStatus: No upgrade log present (probably fresh install)
  WifiSyslog: May 25 22:34:09 ORO-Laptop NetworkManager[1074]: <warn> nl_recvmsgs() error: (-33) Dump inconsistency detected, interrupted
  dmi.bios.date: 11/15/2012
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 1.04.DGT(oro) Test
  dmi.board.asset.tag: To be filled by O.E.M.
  dmi.board.version: To be filled by O.E.M.
  dmi.chassis.asset.tag: To Be Filled By O.E.M.
  dmi.chassis.type: 3
  dmi.chassis.version: To Be Filled By O.E.M.
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr1.04.DGT(oro)Test:bd11/15/2012:svn:pn:pvrTobefilledbyO.E.M.:rvn:rn:rvrTobefilledbyO.E.M.:cvn:ct3:cvrToBeFilledByO.E.M.:
  dmi.product.version: To be filled by O.E.M.

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