[Bug 745744] Re: plymouthd crashed with SIGSEGV in ply_list_remove_node()

[Carlos Donizete Froes]

** Attachment added: "2011-09-14-014755_1024x600_scrot.png"
   https://bugs.launchpad.net/ubuntu/+source/plymouth/+bug/745744/+attachment/2401023/+files/2011-09-14-014755_1024x600_scrot.png

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Title:
  plymouthd crashed with SIGSEGV in ply_list_remove_node()

Status in “plymouth” package in Ubuntu:
  Confirmed

Bug description:
  Binary package hint: plymouth

  I installed from today's Natty i386 daily-live CD (dated 20110329,
  md5sum 76b056698985ee95ab4838d5157e5a70), updated the system, rebooted
  a couple of times, and was then informed of this error. The system has
  plymouth/libplymouth2 0.8.2-2ubuntu21. This bug loosely resembles bug
  542191 and bug 554510, but in those bugs the crash occurred in
  different functions (ply_list_remove_all_nodes()  in bug 542191,
  ply_list_get_first_node() in bug 554510, and ply_list_remove_node() in
  this bug).

  ProblemType: Crash
  DistroRelease: Ubuntu 11.04
  Package: plymouth 0.8.2-2ubuntu21
  ProcVersionSignature: Ubuntu 2.6.38-7.39-generic 2.6.38
  Uname: Linux 2.6.38-7-generic i686
  Architecture: i386
  Date: Wed Mar 30 09:54:20 2011
  DefaultPlymouth: /lib/plymouth/themes/ubuntu-logo/ubuntu-logo.plymouth
  ExecutablePath: /sbin/plymouthd
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Beta 1 i386 (20110329.1)
  Lsusb:
   Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: VMware, Inc. VMware Virtual Platform
  ProcCmdline: /sbin/plymouthd --mode=boot --attach-to-session
  ProcEnviron: PATH=(custom, no user)
  ProcFB: 0 VESA VGA
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-7-generic root=UUID=c31eb5a5-e457-4e6b-b99e-7f8edb554edc ro quiet splash vt.handoff=7
  SegvAnalysis:
   Segfault happened at: 0xf8e13f <ply_list_remove_node+47>:	mov    %ecx,0x8(%edx)
   PC (0x00f8e13f) ok
   source "%ecx" ok
   destination "0x8(%edx)" (0x00000019) not located in a known VMA region (needed writable region)!
  SegvReason: writing NULL VMA
  Signal: 11
  SourcePackage: plymouth
  StacktraceTop:
   ply_list_remove_node () from /lib/libply.so.2
   ply_list_remove_all_nodes () from /lib/libply.so.2
   ply_list_free () from /lib/libply.so.2
   ?? () from /lib/libply.so.2
   ply_event_loop_process_pending_events () from /lib/libply.so.2
  TextPlymouth: /lib/plymouth/themes/ubuntu-text/ubuntu-text.plymouth
  Title: plymouthd crashed with SIGSEGV in ply_list_remove_node()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:
   
  dmi.bios.date: 12/31/2009
  dmi.bios.vendor: Phoenix Technologies LTD
  dmi.bios.version: 6.00
  dmi.board.name: 440BX Desktop Reference Platform
  dmi.board.vendor: Intel Corporation
  dmi.board.version: None
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 1
  dmi.chassis.vendor: No Enclosure
  dmi.chassis.version: N/A
  dmi.modalias: dmi:bvnPhoenixTechnologiesLTD:bvr6.00:bd12/31/2009:svnVMware,Inc.:pnVMwareVirtualPlatform:pvrNone:rvnIntelCorporation:rn440BXDesktopReferencePlatform:rvrNone:cvnNoEnclosure:ct1:cvrN/A:
  dmi.product.name: VMware Virtual Platform
  dmi.product.version: None
  dmi.sys.vendor: VMware, Inc.

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