[Bug 975931] Re: purple screen freeze with AMD 6850

[Moisés Cabello Alemán]

(please, excuse my english)

It also happens with Radeon HD 6320 (from lspci -vvnn). In my case its a
random freeze. Sometimes the boot run normal, and sometimes the screen
freeze in purple. When it works, the boot run entirely in a purple
screen until the lightdm appears (no ubuntu logo, except during
shutdown). When fail, the same without lighdm.

I discovered that pressing Esc key during boot, the purple screen turn
into ubuntu logo/text mode and from that point the boot never freeze.
Thats the manual way to avoid the freeze (the rescue mode also works).

I tested it with Precise and latest Quantal, and open source drivers.

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https://bugs.launchpad.net/bugs/975931

Title:
  purple screen freeze with AMD 6850

Status in “grub-gfxpayload-lists” package in Ubuntu:
  Triaged
Status in “grub-gfxpayload-lists” source package in Precise:
  Triaged
Status in “grub-gfxpayload-lists” source package in Quantal:
  Triaged

Bug description:
  After installing Ubuntu I can't boot into the OS at all unless I manage to get into recovery mode (which is very hard with no timeout on GRUB by default) and install FGLRX from there.
  It happens on every version of Ubuntu that has the open source drivers for the AMD Radeon HD 6850 graphics card installed.

  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: plymouth 0.8.2-2ubuntu28
  ProcVersionSignature: Ubuntu 3.0.0-17.30-generic 3.0.22
  Uname: Linux 3.0.0-17-generic x86_64
  NonfreeKernelModules: fglrx
  ApportVersion: 1.23-0ubuntu4
  Architecture: amd64
  Date: Sat Apr  7 15:56:29 2012
  DefaultPlymouth: /lib/plymouth/themes/ubuntu-logo/ubuntu-logo.plymouth
  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
  MachineType: System manufacturer P5QL PRO
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-17-generic root=UUID=d8d570c3-c3cf-48a3-8068-4ac86d7f31ff ro quiet splash vt.handoff=7
  ProcFB: 0 VESA VGA
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-17-generic root=UUID=d8d570c3-c3cf-48a3-8068-4ac86d7f31ff 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: 07/01/2009
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 1004
  dmi.board.asset.tag: To Be Filled By O.E.M.
  dmi.board.name: P5QL PRO
  dmi.board.vendor: ASUSTeK Computer INC.
  dmi.board.version: Rev 1.xx
  dmi.chassis.asset.tag: Asset-1234567890
  dmi.chassis.type: 3
  dmi.chassis.vendor: Chassis Manufacture
  dmi.chassis.version: Chassis Version
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr1004:bd07/01/2009:svnSystemmanufacturer:pnP5QLPRO:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP5QLPRO:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
  dmi.product.name: P5QL PRO
  dmi.product.version: System Version
  dmi.sys.vendor: System manufacturer
  --- 
  ApportVersion: 1.23-0ubuntu4
  Architecture: amd64
  DefaultPlymouth: /lib/plymouth/themes/ubuntu-logo/ubuntu-logo.plymouth
  DistroRelease: Ubuntu 11.10
  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
  MachineType: System manufacturer P5QL PRO
  Package: plymouth 0.8.2-2ubuntu28
  PackageArchitecture: amd64
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-17-generic root=UUID=d8d570c3-c3cf-48a3-8068-4ac86d7f31ff ro quiet
  ProcFB: 0 radeondrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-17-generic root=UUID=d8d570c3-c3cf-48a3-8068-4ac86d7f31ff ro quiet
  ProcVersionSignature: Ubuntu 3.0.0-17.30-generic 3.0.22
  Tags:  oneiric running-unity
  TextPlymouth: /lib/plymouth/themes/ubuntu-text/ubuntu-text.plymouth
  Uname: Linux 3.0.0-17-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
  dmi.bios.date: 07/01/2009
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 1004
  dmi.board.asset.tag: To Be Filled By O.E.M.
  dmi.board.name: P5QL PRO
  dmi.board.vendor: ASUSTeK Computer INC.
  dmi.board.version: Rev 1.xx
  dmi.chassis.asset.tag: Asset-1234567890
  dmi.chassis.type: 3
  dmi.chassis.vendor: Chassis Manufacture
  dmi.chassis.version: Chassis Version
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr1004:bd07/01/2009:svnSystemmanufacturer:pnP5QLPRO:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP5QLPRO:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
  dmi.product.name: P5QL PRO
  dmi.product.version: System Version
  dmi.sys.vendor: System manufacturer

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