[Bug 950397] Re: bright screen flash during bootup on EeePC 900

[Jane Atkinson]

The flash occurs about 14 seconds after the kernel is selected and boot
begins. I let grub time out rather than hit enter because I was
recording it with a video camera, but I don't suppose that makes any
difference.

If the problem is specific to the machine and a solution isn't readily
available, is there some sort of workaround I could use. Maybe not load
graphical stuff during boot (before the Ubuntu logo, at least)?

As for choosing to report against Plymouth, that was my best guess at
the time. :)

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https://bugs.launchpad.net/bugs/950397

Title:
  bright screen flash during bootup on EeePC 900

Status in “plymouth” package in Ubuntu:
  Incomplete

Bug description:
  During bootup of Ubuntu 12.04, there is sometimes a bright flash on
  the screen, before the Ubuntu logo appears.

  It doesn't always happen, but when it does, it starts as a bright
  border around the outside of the screen. Sometimes that's all that
  there is; at other times it will include more of the screen, even the
  entire screen.

  It actually happened this time I booted, though not very
  spectacularly, so there might be some useful information in the
  attached files.

  If images are needed, I can provide those, but as it doesn't happen at
  every boot, I need to video the bootup sequence until I get one.

  The first time it happened, early in the Precise development cycle
  (maybe earlier), I was anxious that it might be damaging to my screen.
  I imagine then that it might worry unsuspecting new users as well.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: plymouth 0.8.2-2ubuntu28
  ProcVersionSignature: Ubuntu 3.2.0-18.28-generic-pae 3.2.9
  Uname: Linux 3.2.0-18-generic-pae i686
  ApportVersion: 1.94.1-0ubuntu1
  Architecture: i386
  CurrentDmesg:
   
  Date: Fri Mar  9 12:12:45 2012
  DefaultPlymouth: /lib/plymouth/themes/ubuntu-logo/ubuntu-logo.plymouth
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha i386 (20120306)
  MachineType: ASUSTeK Computer INC. 900
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-18-generic-pae root=UUID=11209b2c-f9bf-4eeb-974a-70788f00c4e9 ro quiet splash vt.handoff=7
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-18-generic-pae root=UUID=11209b2c-f9bf-4eeb-974a-70788f00c4e9 ro quiet splash vt.handoff=7
  SourcePackage: plymouth
  TextPlymouth: /lib/plymouth/themes/ubuntu-text/ubuntu-text.plymouth
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 03/03/2009
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 1006
  dmi.board.asset.tag: To Be Filled By O.E.M.
  dmi.board.name: 900
  dmi.board.vendor: ASUSTeK Computer INC.
  dmi.board.version: x.xx
  dmi.chassis.asset.tag: 0x00000000
  dmi.chassis.type: 10
  dmi.chassis.vendor: ASUSTek Computer INC.
  dmi.chassis.version: x.x
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr1006:bd03/03/2009:svnASUSTeKComputerINC.:pn900:pvr0405:rvnASUSTeKComputerINC.:rn900:rvrx.xx:cvnASUSTekComputerINC.:ct10:cvrx.x:
  dmi.product.name: 900
  dmi.product.version: 0405
  dmi.sys.vendor: ASUSTeK Computer INC.

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