[Bug 927636] Re: plymouthd crashed with SIGSEGV in script_obj_deref_direct()

[Jan-Åke Larsson]

You should not "sudo chmod -R 777 /sbin/plymouthd".

Doing this to make "never again appear the popup annoying window" is not
good.

This will make the whole machine available for any local user. All of
it. Any file, any device.

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Title:
  plymouthd crashed with SIGSEGV in script_obj_deref_direct()

Status in Plymouth:
  Confirmed
Status in plymouth package in Ubuntu:
  Triaged

Bug description:
  Ubuntu 12.04 LTS (development branch)

  ProblemType: Crash
  DistroRelease: Ubuntu 12.04
  Package: plymouth 0.8.2-2ubuntu28
  ProcVersionSignature: Ubuntu 3.2.0-14.23-generic 3.2.3
  Uname: Linux 3.2.0-14-generic x86_64
  NonfreeKernelModules: fglrx
  ApportVersion: 1.91-0ubuntu1
  Architecture: amd64
  Date: Mon Feb  6 07:03:15 2012
  DefaultPlymouth: /lib/plymouth/themes/xubuntu-logo/xubuntu-logo.plymouth
  ExecutablePath: /sbin/plymouthd
  MachineType: Foxconn AMD HDZS01
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-14-generic root=UUID=0bb93586-7343-45bd-802b-03adbb46f430 ro quiet splash vt.handoff=7
  ProcCmdline: /sbin/plymouthd --mode=boot --attach-to-session
  ProcEnviron: PATH=(custom, no user)
  ProcFB: 0 VESA VGA
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-14-generic root=UUID=0bb93586-7343-45bd-802b-03adbb46f430 ro quiet splash vt.handoff=7
  SegvAnalysis:
   Segfault happened at: 0x7effe6b50ea0 <script_obj_deref_direct>:	cmpl   $0x1,(%rdi)
   PC (0x7effe6b50ea0) ok
   source "$0x1" ok
   destination "(%rdi)" (0x00000000) not located in a known VMA region (needed writable region)!
  SegvReason: writing NULL VMA
  Signal: 11
  SourcePackage: plymouth
  StacktraceTop:
   script_obj_deref_direct () from /lib/plymouth/script.so
   script_obj_as_custom () from /lib/plymouth/script.so
   script_execute_object () from /lib/plymouth/script.so
   script_lib_plymouth_on_update_status () from /lib/plymouth/script.so
   ?? ()
  TextPlymouth: /lib/plymouth/themes/xubuntu-text/xubuntu-text.plymouth
  Title: plymouthd crashed with SIGSEGV in script_obj_deref_direct()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:
   
  dmi.bios.date: 04/19/2011
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: A93F1022
  dmi.board.asset.tag: To be filled by O.E.M.
  dmi.board.name: AHD1S
  dmi.board.vendor: Foxconn
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrA93F1022:bd04/19/2011:svnFoxconn:pnAMDHDZS01:pvrTobefilledbyO.E.M.:rvnFoxconn:rnAHD1S:rvr:
  dmi.product.name: AMD HDZS01
  dmi.product.version: To be filled by O.E.M.
  dmi.sys.vendor: Foxconn

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