[Bug 1096038] Re: Exiting from system - ubuntu logo stays on screen - plymouthd crashed with SIGSEGV in ply_trigger_add_handler()

[Wojciech Ziniewicz]

*** This bug is a duplicate of bug 750405 ***
    https://bugs.launchpad.net/bugs/750405

Hi,
of course this is a duplicate - I was wondering if this information helps somehow to fix the plymouth.
This is probably very complicated problem but will it be OK if I submit the patch for this bug ?

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https://bugs.launchpad.net/bugs/1096038

Title:
  Exiting from system - ubuntu logo stays on screen - plymouthd crashed
  with SIGSEGV in ply_trigger_add_handler()

Status in “plymouth” package in Ubuntu:
  New

Bug description:
  My system was being upgraded gradually from 11.04 till 12.10 .
  Everything's fine except for ubuntu logo staying during reboot with
  "sudo reboot" typed into console.

  --
  Description:	Ubuntu 12.10
  Release:	12.10
  --
  [wojtek at wojtek-ThinkPad-T60 ~]$ apt-cache policy plymouth
  plymouth:
    Installed: 0.8.4-0ubuntu3
    Candidate: 0.8.4-0ubuntu3
    Version table:
   *** 0.8.4-0ubuntu3 0
          500 http://pl.archive.ubuntu.com/ubuntu/ quantal/main i386 Packages
          100 /var/lib/dpkg/status
  --

  ProblemType: Crash
  DistroRelease: Ubuntu 12.10
  Package: plymouth 0.8.4-0ubuntu3
  ProcVersionSignature: Ubuntu 3.5.0-18.29-generic 3.5.7
  Uname: Linux 3.5.0-18-generic i686
  ApportVersion: 2.6.1-0ubuntu6
  Architecture: i386
  Date: Fri Jan  4 13:23:21 2013
  DefaultPlymouth: /lib/plymouth/themes/ubuntu-logo/ubuntu-logo.plymouth
  ExecutablePath: /sbin/plymouthd
  InstallationDate: Installed on 2012-07-24 (163 days ago)
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release i386 (20120423)
  MachineType: LENOVO 2007FRG
  MarkForUpload: True
  PccardctlIdent:
   Socket 0:
     no product info available
  PccardctlStatus:
   Socket 0:
     no card
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-18-generic root=UUID=19d25b37-7fe7-46f3-a36f-38dbc43f94d3 ro quiet splash vt.handoff=7
  ProcCmdline: /sbin/plymouthd --mode=boot --attach-to-session
  ProcEnviron:
   TERM=linux
   PATH=(custom, no user)
  ProcFB: 0 radeondrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-18-generic root=UUID=19d25b37-7fe7-46f3-a36f-38dbc43f94d3 ro quiet splash vt.handoff=7
  SegvAnalysis:
   Segfault happened at: 0xb7782b28 <ply_trigger_add_handler+56>:	mov    (%eax),%eax
   PC (0xb7782b28) ok
   source "(%eax)" (0x00000000) not located in a known VMA region (needed readable region)!
   destination "%eax" ok
  SegvReason: reading NULL VMA
  Signal: 11
  SourcePackage: plymouth
  StacktraceTop:
   ply_trigger_add_handler () from /lib/libply.so.2
   ?? ()
   ?? ()
   ply_event_loop_process_pending_events () from /lib/libply.so.2
   ply_event_loop_run () from /lib/libply.so.2
  TextPlymouth: /lib/plymouth/themes/ubuntu-text/ubuntu-text.plymouth
  Title: plymouthd crashed with SIGSEGV in ply_trigger_add_handler()
  UpgradeStatus: Upgraded to quantal on 2012-09-27 (99 days ago)
  UserGroups:
   
  dmi.bios.date: 09/12/2008
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 79ETE3WW (2.23 )
  dmi.board.name: 2007FRG
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Available
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: dmi:bvnLENOVO:bvr79ETE3WW(2.23):bd09/12/2008:svnLENOVO:pn2007FRG:pvrThinkPadT60:rvnLENOVO:rn2007FRG:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 2007FRG
  dmi.product.version: ThinkPad T60
  dmi.sys.vendor: LENOVO

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