[Bug 1043755] Re: Plymouth screen hangs on shutdown

Steve Langasek steve.langasek at canonical.com
Thu Aug 30 19:06:50 UTC 2012


Ah - indeed, I see that your /proc/cmdline shows you are booting without
'splash' as a boot option.  Which means this should not be showing a
splash screen either on startup or on shutdown.  If it's still showing a
splash screen on shutdown, that would seem to be a bug in plymouth.
However, I can't reproduce this behavior at all.  Can you please do the
following:

- switch to console with Ctrl-Alt-F1
- log in
- run 'sudo -s' to get a root shell
- confirm that 'grep splash /proc/cmdline' doesn't return anything (i.e., you are currently booted without splash)
- run 'service lightdm stop' (and confirm that this command succeeds... if it doesn't, then something else is wrong)
- run 'plymouthd --mode=shutdown'
- run 'plymouth show-splash'
- confirm that you do NOT get a graphical splash screen, but instead get a switch to a different text console
- hit Ctrl-Alt-F1 again to switch back to your root login
- run 'plymouth quit' to stop plymouth
- run 'service lightdm start' to restart X

Please report the results from the above test.

> What, at this point is in the list of possible culprits? Graphics
Card? Driver?

At this point, I have no idea at all what's causing the hang on
shutdown.  It *may* be the graphics driver - but what shows up on the
screen may also be entirely unrelated to the hang.  The point of asking
you to run without 'splash' was so we could see the output of whatever
is happening at shutdown.

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https://bugs.launchpad.net/bugs/1043755

Title:
  Plymouth screen hangs on shutdown

Status in “plymouth” package in Ubuntu:
  New

Bug description:
  Ocasionally, when I shut down, I am sent to the plymouth splash screen as usual, however the ubuntu logo and the progress dots are static - they are not moving. This has been happening more recently over the past week.
  The hard drive LED on my case is not lit up at all when this happens.

  Attatched:
  Xorg.log
  Syslog.log

  Motherboard ASUS M5A78L -M LX V2
  GPU Sapphire Radeon HD 6570 WITH UBUNTU-PACKAGED FGLRX INSTALLED DRIVER
  CPU AMD Athlon II X2 255 3.2GHz
  HD WD Caviar 500GB
  Monitor Benq G2255

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: plymouth 0.8.2-2ubuntu30
  ProcVersionSignature: Ubuntu 3.2.0-29.46-generic 3.2.24
  Uname: Linux 3.2.0-29-generic x86_64
  NonfreeKernelModules: fglrx
  ApportVersion: 2.0.1-0ubuntu12
  Architecture: amd64
  Date: Thu Aug 30 11:42:47 2012
  DefaultPlymouth: /lib/plymouth/themes/ubuntu-logo/ubuntu-logo.plymouth
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425)
  MachineType: System manufacturer System Product Name
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-29-generic root=UUID=e97b3482-c14c-4320-b621-19dbc962822b ro
  ProcEnviron:
   LANGUAGE=en_GB:en
   PATH=(custom, no user)
   LANG=en_GB.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 VESA VGA
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-29-generic root=UUID=e97b3482-c14c-4320-b621-19dbc962822b ro
  SourcePackage: plymouth
  TextPlymouth: /lib/plymouth/themes/ubuntu-text/ubuntu-text.plymouth
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 03/26/2012
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 0902
  dmi.board.asset.tag: To Be Filled By O.E.M.
  dmi.board.name: M5A78L-M LX V2
  dmi.board.vendor: ASUSTeK Computer INC.
  dmi.board.version: Rev X.0x
  dmi.chassis.asset.tag: Asset-1234567890
  dmi.chassis.type: 3
  dmi.chassis.vendor: Chassis Manufacture
  dmi.chassis.version: Chassis Version
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr0902:bd03/26/2012:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnM5A78L-MLXV2:rvrRevX.0x:cvnChassisManufacture:ct3:cvrChassisVersion:
  dmi.product.name: System Product Name
  dmi.product.version: System Version
  dmi.sys.vendor: System manufacturer

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