[Bug 564471] Re: Lucid: garbled video at boot on radeon cards: bad color map due to 16-bit fb

[Ronald van Engelen]

Same problem in Ubuntu Lucid 10.04.4 (LTS!) on HP t5735 with ATI
Technologies Inc RS690M [Radeon X1200 Series].

We had to create our own (rather ugly) workaround by setting the
`bits_per_pixel` fixed at `4` instead of using `Window.GetBitsPerPixel
(); ` in `opt/ltsp/i386/lib/plymouth/themes/ubuntu-logo/ubuntu-
logo.script`.

It's a shame this one didn't got fixed as it affects all users with
mentioned (embedded) graphics cards, eg. multiples of thousands, instead
of the 36 actually following this bug.

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Title:
  Lucid: garbled video at boot on radeon cards: bad color map due to
  16-bit fb

Status in “plymouth” package in Ubuntu:
  Triaged
Status in “plymouth” source package in Lucid:
  Triaged
Status in “plymouth” source package in Natty:
  Triaged

Bug description:
  Binary package hint: plymouth

  With yesterdays (15.04.2010) updates the file /etc/modprobe.d/radeon-kms.conf was removed.
  Sideeffect of this removal was:
  - before this update I had no plymouth at all but some "ASCII-art" which looked like what should look like a plymouth boot screen. As far as I know this was intended for video-adapters with <32MB video-ram.
  - after yesterdays removal of radeon-kms.conf it looks like I have working plymouth boot screen but at start up it looked somewhat garbled (see attached photo). However... after some time of booting the screen "normalizes" and looks like how plymouth should look. Some time means some seconds before I can see gdm.

  My Notebook is an IBM X31 with a radeon 7000/ M6 LY graphics adapter with 16MB of video-ram.
  The X31 runs Lucid Beta 2 with all updates.
  --- 
  Architecture: i386
  DefaultPlymouth: /lib/plymouth/themes/ubuntu-logo/ubuntu-logo.plymouth
  DistroRelease: Ubuntu 10.04
  InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Beta i386 (20100406)
  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 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 2672CXG
  Package: plymouth 0.8.2-1
  PackageArchitecture: i386
  PccardctlIdent:
   Socket 0:
     no product info available
   Socket 1:
     no product info available
  PccardctlStatus:
   Socket 0:
     no card
   Socket 1:
     no card
  ProcCmdLine: BOOT_IMAGE=/vmlinuz-2.6.32-21-generic root=/dev/mapper/crypt-root ro quiet splash hpet=force
  ProcEnviron:
   LANG=de_DE.utf8
   SHELL=/bin/bash
  ProcFB: 0 radeondrmfb
  ProcVersionSignature: Ubuntu 2.6.32-21.31-generic 2.6.32.11+drm33.2
  Tags: lucid
  TextPlymouth: /lib/plymouth/themes/ubuntu-text/ubuntu-text.plymouth
  Uname: Linux 2.6.32-21-generic i686
  UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
  dmi.bios.date: 09/22/2005
  dmi.bios.vendor: IBM
  dmi.bios.version: 1QET97WW (3.02 )
  dmi.board.name: 2672CXG
  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:bvr1QET97WW(3.02):bd09/22/2005:svnIBM:pn2672CXG:pvrThinkPadX31:rvnIBM:rn2672CXG:rvrNotAvailable:cvnIBM:ct10:cvrNotAvailable:
  dmi.product.name: 2672CXG
  dmi.product.version: ThinkPad X31
  dmi.sys.vendor: IBM

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