[Bug 559930] Re: plymouthd crashed with SIGSEGV in ply_trigger_add_handler()

[Domen Vrankar]

This is occuring to me since I upgraded to 12.10 beta 1. I thought that
it was a problem with the graphics drivers related to having nvidia
optimus.

How to log in:
When I notice that the mouse button gets changed to an arrow and the login screen isn't shown for one to two seconds (after this time the mouse and keyboard stop responding so this has to be done before that happens) I press alt + ctrl +f1 and log in with my user.
Then I restart the gdm with sudo /etc/init.d/gdm restart and the login screen shows up so you can log in normally.

I'm using gnome-shell and gdm.

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https://bugs.launchpad.net/bugs/559930

Title:
  plymouthd crashed with SIGSEGV in ply_trigger_add_handler()

Status in “plymouth” package in Ubuntu:
  Confirmed

Bug description:
  Binary package hint: plymouth

  plymouthd does not exit when system is booted.  Ubuntu logo and four
  dots remain on screen, cannot change to text mode virtual terminals or
  X windows.  Can log in via SSH but can not kill plymouthd even with
  kill -KILL.  ACPI power button also works.

  ProblemType: Crash
  DistroRelease: Ubuntu 10.04
  Package: plymouth 0.8.1-4ubuntu1
  ProcVersionSignature: Ubuntu 2.6.32-19.28-generic 2.6.32.10+drm33.1
  Uname: Linux 2.6.32-19-generic i686
  Architecture: i386
  Date: Sat Apr 10 19:58:08 2010
  DefaultPlymouth: /lib/plymouth/themes/ubuntu-logo/ubuntu-logo.plymouth
  ExecutablePath: /sbin/plymouthd
  Lsusb:
   Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
   Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
   Bus 002 Device 002: ID 046d:c019 Logitech, Inc. Optical Tilt Wheel Mouse
   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: IBM 288175M
  PccardctlIdent:
   Socket 0:
     no product info available
   Socket 1:
     no product info available
  PccardctlStatus:
   Socket 0:
     no card
   Socket 1:
     no card
  ProcCmdLine: root=UUID=e97866c4-7397-4fc5-9047-13137af8d817 ro quiet
  ProcCmdline: /sbin/plymouthd --mode=boot --attach-to-session
  ProcEnviron: PATH=(custom, no user)
  ProcFB: 0 nouveaufb
  SegvAnalysis:
   Segfault happened at: 0x857ae8 <ply_trigger_add_handler+56>:	mov    (%eax),%eax
   PC (0x00857ae8) 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 ()
   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()
  UserGroups:
   
  dmi.bios.date: 01/14/2005
  dmi.bios.vendor: IBM
  dmi.bios.version: 1XET47WW (1.06 )
  dmi.board.name: 288175M
  dmi.board.vendor: IBM
  dmi.board.version: Not Available
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: IBM
  dmi.chassis.version: Not Available
  dmi.modalias: dmi:bvnIBM:bvr1XET47WW(1.06):bd01/14/2005:svnIBM:pn288175M:pvrThinkPadG41:rvnIBM:rn288175M:rvrNotAvailable:cvnIBM:ct10:cvrNotAvailable:
  dmi.product.name: 288175M
  dmi.product.version: ThinkPad G41
  dmi.sys.vendor: IBM

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