You have been subscribed to a public bug:
Radeon driver works fine in Oneric, but in Precise it boots to a
flickering dark purple screen - completely unusable. Or safe mode boots
using the vesa driver.
Also tested:
3.4.0-030400rc1-generic #201203312035 SMP Sun Apr 1 00:36:22 UTC 2012 x86_64
x86_64 x86_64 GNU/Linux
linux-image-3.3.0-030300-generic 3.3.0-030300.201203182135 Linux kernel image
for version 3.3.0 on 32 bit x86 SMP
$ lspci | grep -i vga
05:00.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI Barts
XT [ATI Radeon HD 6800 Series]
WORKAROUND: Removing the "setgfxpayload..." line in grub allowed the
radeon driver to work.
WORKAROUND: Removed vt.handoff and replace:
set gfxpayload=text
with:
set gfxpayload=$linux_gfx_mode
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: linux-image-3.2.0-21-generic 3.2.0-21.34
ProcVersionSignature: Ubuntu 3.2.0-21.34-generic 3.2.13
Uname: Linux 3.2.0-21-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 2.0-0ubuntu2
Architecture: amd64
Date: Sun Apr 1 21:26:47 2012
HibernationDevice: RESUME=UUID=d1830ce6-1bf3-4f92-9562-0278a9576ed2
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta amd64 (20120328)
MachineType: System manufacturer System Product Name
ProcEnviron:
TERM=xterm
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB: 0 radeondrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-21-generic
root=UUID=6f0f8242-c831-45df-af15-efefba5f7edb ro quiet splash vt.handoff=7
RfKill:
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 11/19/2009
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 2304
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: M4A79T Deluxe
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.:bvr2304:bd11/19/2009:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnM4A79TDeluxe:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: System Product Name
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer
** Affects: xorg (Ubuntu)
Importance: Medium
Status: New
** Tags: amd64 apport-bug kernel-request-3.2.0-22.35 precise regression-release
--
graphics fails with setgfxpayload=keep, AMD Radeon
https://bugs.launchpad.net/bugs/971204
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