[Bug 952417] [NEW] firefox zombie process starts often when starting firefox

[gnupipe]

Public bug reported:

When I start Firefox a Firefox zombie process starts (often but not
always) and then goes away after a few seconds. I have this problem with
Ubuntu 10.04,11.10 and Precise beta 1. This problem occurs with four
computers (2 laptops and 2 desktops running ubuntu 10.04, 11.10 and
precise beta 1) I also have this same problem with Thunderbird. (Maybe I
should make a separate bug report for that.)

Reproducible: Often
Firefox version: 11.0~b4+build1-0ubuntu1 (on Precise beta 1)
Expected: No zombie process
What happened instead: Zombie process starts
Hardware: Core i7 2600K Nvidia GTX 570 8 GB ram (my desktop) running ubuntu 10.04.4 64 bit with latest updates (precise beta 1 tested)
AMD Athlon 64 3000+ some nvidia graphics card 1GB ram running ubuntu 11.0 32 bit (desktop) (latest updates)
acer aspire core i5 6gb ram nvidia optimus (my laptop) (ubuntu 11.10 tested)
acer apsire core i5 6gb ram sandy bridge graphics laptop (ubuntu precise beta1 tested)

Firefox safe mode does NOT help!

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: firefox 11.0~b4+build1-0ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-17.27-generic 3.2.6
Uname: Linux 3.2.0-17-generic x86_64
AddonCompatCheckDisabled: False
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 1.93-0ubuntu2
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC1:  ubuntu     3432 F.... pulseaudio
 /dev/snd/controlC0:  ubuntu     3432 F.... pulseaudio
BuildID: 20120224155729
CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not found.
Card0.Amixer.info:
 Card hw:0 'PCH'/'HDA Intel PCH at 0xfb400000 irq 66'
   Mixer name	: 'Realtek ALC892'
   Components	: 'HDA:10ec0892,10438410,00100302'
   Controls      : 43
   Simple ctrls  : 20
Card1.Amixer.info:
 Card hw:1 'NVidia'/'HDA NVidia at 0xfb080000 irq 17'
   Mixer name	: 'Nvidia GPU 18 HDMI/DP'
   Components	: 'HDA:10de0018,10de0101,00100100'
   Controls      : 24
   Simple ctrls  : 4
CasperVersion: 1.305
Channel: beta
Date: Sun Mar 11 16:40:30 2012
ForcedLayersAccel: False
IfupdownConfig:
 auto lo
 iface lo inet loopback
IpRoute:
 default via 192.168.0.1 dev eth1  proto static 
 169.254.0.0/16 dev eth1  scope link  metric 1000 
 192.168.0.0/24 dev eth1  proto kernel  scope link  src 192.168.0.103  metric 1
IwConfig:
 lo        no wireless extensions.
 
 eth1      no wireless extensions.
 
 eth0      no wireless extensions.
LiveMediaBuild: Ubuntu 12.04 LTS "Precise Pangolin" - Beta amd64 (20120301)
Plugins:
 QuickTime Plug-in 7.6.6 - Lib=libtotem-narrowspace-plugin.so, Location=/usr/lib/mozilla/plugins
 DivX® Web Player - Lib=libtotem-mully-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
 VLC Multimedia Plugin (compatible Totem 3.0.1) - Lib=libtotem-cone-plugin.so, Location=/usr/lib/mozilla/plugins
 iTunes Application Detector - Lib=librhythmbox-itms-detection-plugin.so, Location=/usr/lib/mozilla/plugins
ProcEnviron:
 TERM=xterm
 PATH=(custom, no user)
 LANG=fi_FI.UTF-8
 SHELL=/bin/bash
Profiles: Profile0 (Default) - LastVersion=11.0/20120224155729 (Running)
RfKill:
 0: hci0: Bluetooth
 	Soft blocked: no
 	Hard blocked: no
RunningIncompatibleAddons: False
SourcePackage: firefox
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 06/27/2011
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 1850
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: P8P67
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: Rev 1.xx
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr1850:bd06/27/2011:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP8P67:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: System Product Name
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer

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


** Tags: amd64 apport-bug beta-channel precise

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Title:
  firefox zombie process starts often when starting firefox

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