[Bug 1794292] Re: plymouthd crashed with SIGSEGV in /sbin/plymouthd:11 in ply_renderer_set_handler_for_input_source -> ply_keyboard_stop_watching_for_renderer_input -> ply_keyboard_stop_watching_for_input -> ply_device_manager_deactivate_keyboards -> on_deactivate

[Mathieu Trudel-Lapierre]

Gert, could you provide us with an email address so we can correctly
attribute the changes to you, given that you contributed the major part
of the patches that will go in plymouth?

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Title:
  plymouthd crashed with SIGSEGV in /sbin/plymouthd:11 in
  ply_renderer_set_handler_for_input_source ->
  ply_keyboard_stop_watching_for_renderer_input ->
  ply_keyboard_stop_watching_for_input ->
  ply_device_manager_deactivate_keyboards -> on_deactivate

Status in plymouth package in Ubuntu:
  Fix Released
Status in plymouth source package in Cosmic:
  Confirmed

Bug description:
  A green Xubuntu splash screen with a spinning circle normally appears
  on boot up.

  Now just a blank black screen shows until the login box appears. On
  logging in, the desktop appears as normal but an error message pops up
  offering to report a bug to developers.

  Description:	Ubuntu Cosmic Cuttlefish (development branch)
  Release:	18.10

  All packages up-to-date as of 25 September 2018 14:00 BST

  
  Errors Tracker: https://errors.ubuntu.com/problem/6aa06f1bc51946c787a01d38e58bc76114555334

  
  ProblemType: Crash
  DistroRelease: Ubuntu 18.10
  Package: plymouth 0.9.3-1ubuntu8
  ProcVersionSignature: Ubuntu 4.18.0-7.8-generic 4.18.5
  Uname: Linux 4.18.0-7-generic x86_64
  ApportVersion: 2.20.10-0ubuntu11
  Architecture: amd64
  CrashCounter: 1
  Date: Tue Sep 25 13:47:47 2018
  DefaultPlymouth: /usr/share/plymouth/themes/xubuntu-logo/xubuntu-logo.plymouth
  ExecutablePath: /sbin/plymouthd
  MachineType: Acer Veriton N280G
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.18.0-7-generic root=UUID=ff708f10-3fbc-4fa2-b7a5-93f0dd61eb21 ro splash quiet vt.handoff=1
  ProcCmdline: @sbin/plymouthd --mode=boot --pid-file=/run/plymouth/pid --attach-to-session
  ProcEnviron:
   LANG=en_GB.UTF-8
   PATH=(custom, no user)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.18.0-7-generic root=UUID=ff708f10-3fbc-4fa2-b7a5-93f0dd61eb21 ro splash quiet vt.handoff=1
  SegvAnalysis:
   Segfault happened at: 0x7f05452a07f9 <ply_renderer_set_handler_for_input_source+25>:	mov    0x78(%rax),%rax
   PC (0x7f05452a07f9) ok
   source "0x78(%rax)" (0x00000078) not located in a known VMA region (needed readable region)!
   destination "%rax" ok
  SegvReason: reading NULL VMA
  Signal: 11
  SourcePackage: plymouth
  StacktraceTop:
   ply_renderer_set_handler_for_input_source () from /lib/x86_64-linux-gnu/libply-splash-core.so.4
   ply_keyboard_stop_watching_for_input () from /lib/x86_64-linux-gnu/libply-splash-core.so.4
   ply_device_manager_deactivate_keyboards () from /lib/x86_64-linux-gnu/libply-splash-core.so.4
   ?? ()
   ?? ()
  TextPlymouth: /usr/share/plymouth/themes/xubuntu-text/xubuntu-text.plymouth
  Title: plymouthd crashed with SIGSEGV in ply_renderer_set_handler_for_input_source()
  UpgradeStatus: Upgraded to cosmic on 2018-08-21 (34 days ago)
  UserGroups:

  dmi.bios.date: 01/15/2011
  dmi.bios.vendor: Acer
  dmi.bios.version: P01-A3
  dmi.board.asset.tag: To Be Filled By O.E.M.
  dmi.board.name: TPDS03
  dmi.board.vendor: Acer
  dmi.board.version: To be filled by O.E.M.
  dmi.chassis.type: 3
  dmi.chassis.vendor: Acer
  dmi.chassis.version: To Be Filled By O.E.M.
  dmi.modalias: dmi:bvnAcer:bvrP01-A3:bd01/15/2011:svnAcer:pnVeritonN280G:pvrToBeFilledByO.E.M.:rvnAcer:rnTPDS03:rvrTobefilledbyO.E.M.:cvnAcer:ct3:cvrToBeFilledByO.E.M.:
  dmi.product.family: Acer Desktop
  dmi.product.name: Veriton N280G
  dmi.product.sku: To Be Filled By O.E.M.
  dmi.product.version: To Be Filled By O.E.M.
  dmi.sys.vendor: Acer

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