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

[Wojciech Ziniewicz]

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@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

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make this software better. This particular crash has already been reported and is a duplicate of bug #750405, so is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.

[Wojciech Ziniewicz (wojciech-ziniewicz)]

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 ?