To all those affected,

We are sorry that we do not always have the capacity to review all
reported bugs in a timely manner. This bug reported was some time ago
and there have been many changes in Ubuntu and Firefox since that time.

Ubuntu 12.04 (precise) reached end-of-life on April 28, 2017.

Do you still see a problem related to the one that was reported using
currently supported versions of Ubuntu and Firefox?

Please let us know if you do otherwise this bug report will expire in
approximately 60 days time.

Thank you for helping make Ubuntu better.

Paul White
[Ubuntu Bug Squad]

** Changed in: firefox (Ubuntu)
       Status: Confirmed => Incomplete

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https://bugs.launchpad.net/bugs/926298

Title:
  plugin-container crashed with SIGSEGV in start_thread()

Status in firefox package in Ubuntu:
  Incomplete

Bug description:
  I was browsing the web and downloading some files, suddenly firefox
  crashed. I had about 30 Tabs open.

  ProblemType: Crash
  DistroRelease: Ubuntu 12.04
  Package: firefox 11.0~a2~hg20120129r84301-0ubuntu1~umd2
  ProcVersionSignature: Ubuntu 3.2.0-12.21-generic-pae 3.2.2
  Uname: Linux 3.2.0-12-generic-pae i686
  AddonCompatCheckDisabled: False
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 1.91-0ubuntu1
  Architecture: i386
  ArecordDevices:
   **** List of CAPTURE Hardware Devices ****
   card 0: Intel [HDA Intel], device 0: ALC272X Analog [ALC272X Analog]
     Subdevices: 1/1
     Subdevice #0: subdevice #0
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  daniel     2173 F.... pulseaudio
   /dev/snd/controlC0:  daniel     2173 F.... pulseaudio
  BuildID: 20120130070908
  Card0.Amixer.info:
   Card hw:0 'Intel'/'HDA Intel at 0xf0600000 irq 44'
     Mixer name : 'Realtek ALC272X'
     Components : 'HDA:10ec0272,10250379,00100001'
     Controls      : 20
     Simple ctrls  : 11
  Card1.Amixer.info:
   Card hw:1 'Generic'/'HD-Audio Generic at 0xcfedc000 irq 46'
     Mixer name : 'ATI R6xx HDMI'
     Components : 'HDA:1002aa01,00aa0100,00100200'
     Controls      : 6
     Simple ctrls  : 1
  Card1.Amixer.values:
   Simple mixer control 'IEC958',0
     Capabilities: pswitch pswitch-joined penum
     Playback channels: Mono
     Mono: Playback [on]
  Channel: aurora
  Date: Fri Feb  3 20:31:46 2012
  ExecutablePath: /usr/lib/firefox-11.0a2/plugin-container
  ForcedLayersAccel: False
  IfupdownConfig:
   auto lo
   iface lo inet loopback
  IncompatibleExtensions:
   treely - [email protected], Version=2.2, minVersion=3.5, 
maxVersion=10.0a1, Location=app-profile, Type=extension, Active=Yes
   British English Dictionary - [email protected], 
Version=1.19.1, minVersion=2.0b1, maxVersion=11.0a1, Location=app-profile, 
Type=extension, Active=Yes
   German Dictionary - [email protected], Version=2.0.2, 
minVersion=1.9a8pre, maxVersion=2.0.*, Location=app-profile, Type=extension, 
Active=Yes
   Test Pilot - [email protected], Version=1.2, minVersion=3.5, 
maxVersion=10.*, Location=app-profile, Type=extension, Active=Yes
   Novell Moonlight - [email protected], Version=3.99.0.3, 
minVersion=1.5, maxVersion=4.0.*, Location=app-profile, Type=extension, 
Active=Yes
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
  IpRoute:
   default via 192.168.178.1 dev eth0  proto static 
   169.254.0.0/16 dev eth0  scope link  metric 1000 
   192.168.178.0/24 dev eth0  proto kernel  scope link  src 192.168.178.21  
metric 1
  ProcCmdline: /usr/lib/firefox-11.0a2/plugin-container 
/usr/lib/flashplugin-installer/libflashplayer.so -greomni 
/usr/lib/firefox-11.0a2/omni.ja 2321 plugin
  ProcEnviron:
   PATH=(custom, no user)
   LANG=de_DE.UTF-8
   SHELL=/bin/bash
  Profiles: Profile0 (Default) - LastVersion=11.0a2/20120130070908 (Running)
  RunningIncompatibleAddons: True
  SegvAnalysis:
   Segfault happened at: 0xb5bb5410 <__memcpy_ssse3_rep+64>:    movdqu 
(%eax),%xmm0
   PC (0xb5bb5410) ok
   source "(%eax)" (0xa9419338) not located in a known VMA region (needed 
readable region)!
   destination "%xmm0" ok
   Stack memory exhausted (SP below stack segment)
  SegvReason: reading unknown VMA
  Signal: 11
  SourcePackage: firefox
  StacktraceTop:
   ?? () from /usr/lib/flashplugin-installer/libflashplayer.so
   ?? () from /usr/lib/flashplugin-installer/libflashplayer.so
   ?? () from /usr/lib/flashplugin-installer/libflashplayer.so
   start_thread (arg=0x9f0ffb70) at pthread_create.c:304
   clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
  Title: plugin-container crashed with SIGSEGV in start_thread()
  UpgradeStatus: Upgraded to precise on 2012-01-12 (22 days ago)
  UserGroups: adm admin audio cdrom dialout dip fax floppy fuse lpadmin netdev 
plugdev sambashare tape video
  dmi.bios.date: 04/28/2011
  dmi.bios.vendor: Phoenix Technologies LTD
  dmi.bios.version: V1.26
  dmi.board.asset.tag: No Asset Tag
  dmi.board.name: SJV71_CP
  dmi.board.vendor: Packard Bell
  dmi.board.version: V1.26
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: Packard Bell
  dmi.chassis.version: V1.26
  dmi.modalias: 
dmi:bvnPhoenixTechnologiesLTD:bvrV1.26:bd04/28/2011:svnPackardBell:pnEasyNoteLM85:pvrV1.26:rvnPackardBell:rnSJV71_CP:rvrV1.26:cvnPackardBell:ct10:cvrV1.26:
  dmi.product.name: EasyNote LM85
  dmi.product.version: V1.26
  dmi.sys.vendor: Packard Bell

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