[Bug 1377378] Re: plymouthd crashed with SIGSEGV in ply_renderer_get_buffer_for_head()

[Moahadeb]

lsb_release -rd;apt-cache policy nautilus plymouth
Description:	Ubuntu Vivid Vervet (development branch)
Release:	15.04
nautilus:
  Installed: 1:3.14.2-0ubuntu4
  Candidate: 1:3.14.2-0ubuntu4
  Version table:
 *** 1:3.14.2-0ubuntu4 0
        500 http://us.archive.ubuntu.com/ubuntu/ vivid/main i386 Packages
        100 /var/lib/dpkg/status
plymouth:
  Installed: 0.9.0-0ubuntu9
  Candidate: 0.9.0-0ubuntu9
  Version table:
 *** 0.9.0-0ubuntu9 0
        500 http://us.archive.ubuntu.com/ubuntu/ vivid/main i386 Packages
        100 /var/lib/dpkg/status

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https://bugs.launchpad.net/bugs/1377378

Title:
  plymouthd crashed with SIGSEGV in ply_renderer_get_buffer_for_head()

Status in plymouth package in Ubuntu:
  Confirmed

Bug description:
  
  Crash when start.

  ProblemType: Crash
  DistroRelease: Ubuntu 14.10
  Package: plymouth 0.9.0-0ubuntu6
  ProcVersionSignature: Ubuntu 3.16.0-20.27-generic 3.16.3
  Uname: Linux 3.16.0-20-generic i686
  NonfreeKernelModules: wl
  ApportVersion: 2.14.7-0ubuntu3
  Architecture: i386
  BootLog:
   Loading the saved-state of the serial devices... 
    * Setting up X socket directories...        
[ OK ]
    * Starting automatic crash report generation: apport        
[ OK ]
  Date: Sat Oct  4 05:02:47 2014
  DefaultPlymouth: /lib/plymouth/themes/ubuntu-logo/ubuntu-logo.plymouth
  ExecutablePath: /sbin/plymouthd
  InstallationDate: Installed on 2014-05-03 (154 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release i386 (20140417)
  MachineType: Acer Aspire 5734Z
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-20-generic root=UUID=93da5e1e-271e-424a-9e7e-185097bd72e4 ro quiet splash vt.handoff=7
  ProcCmdline: @sbin/plymouthd --mode=boot --attach-to-session
  ProcEnviron:
   TERM=linux
   PATH=(custom, no user)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-20-generic root=UUID=93da5e1e-271e-424a-9e7e-185097bd72e4 ro quiet splash vt.handoff=7
  SegvAnalysis:
   Segfault happened at: 0xb77837cb <ply_renderer_get_buffer_for_head+27>:	mov    0x8(%eax),%ecx
   PC (0xb77837cb) ok
   source "0x8(%eax)" (0x00000010) not located in a known VMA region (needed readable region)!
   destination "%ecx" ok
  SegvReason: reading NULL VMA
  Signal: 11
  SourcePackage: plymouth
  StacktraceTop:
   ply_renderer_get_buffer_for_head () from /lib/i386-linux-gnu/libply-splash-core.so.4
   ply_pixel_display_draw_area () from /lib/i386-linux-gnu/libply-splash-core.so.4
   script_lib_sprite_refresh () from /lib/i386-linux-gnu/plymouth/script.so
   ?? () from /lib/i386-linux-gnu/plymouth/script.so
   ply_event_loop_process_pending_events () from /lib/i386-linux-gnu/libply.so.4
  TextPlymouth: /lib/plymouth/themes/ubuntu-text/ubuntu-text.plymouth
  Title: plymouthd crashed with SIGSEGV in ply_renderer_get_buffer_for_head()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:
   
  dmi.bios.date: 04/25/2011
  dmi.bios.vendor: Acer
  dmi.bios.version: V1.06
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: Aspire 5734Z
  dmi.board.vendor: Acer
  dmi.board.version: V1.06
  dmi.chassis.type: 10
  dmi.chassis.vendor: Acer
  dmi.chassis.version: V1.06
  dmi.modalias: dmi:bvnAcer:bvrV1.06:bd04/25/2011:svnAcer:pnAspire5734Z:pvrV1.06:rvnAcer:rnAspire5734Z:rvrV1.06:cvnAcer:ct10:cvrV1.06:
  dmi.product.name: Aspire 5734Z
  dmi.product.version: V1.06
  dmi.sys.vendor: Acer

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