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[Erik Lippold <795272@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

Binary package hint: xorg

After updating my fresh install of Ubuntu 11.04, it stopped booting, showing only a black screen, booting from a LiveCD worked just fine.
Ubuntu would start in recovery mode, with low graphics, and after editing boot options to not include "quiet splash", the normal boot option booted into Ubuntu classic (no effects) (I'm bypassing GDM and not using Unity). However the highest possible resolution is 1024x786, whereas it should be 1080p. Everything else (Sound, Video (flash), etc) is working fine.
Using read-edid it seems to me, that EDID won't be read correctly, this worked fine before the updates and using the LiveCD.
I will attach a copy of the Xorg.0.log from the LiveCD boot.

I'm using the radeon driver on an old ATI Radeon 9800 Pro (R350). The
update involved xorg 2:1.10.1-1ubuntu1.1.

ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: xorg 1:7.6+4ubuntu3
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
Uname: Linux 2.6.38-8-generic i686
Architecture: i386
CompizPlugins: [core,bailer,detection,composite,opengl,decor,mousepoll,vpswitch,regex,animation,snap,expo,move,compiztoolbox,place,grid,imgpng,gnomecompat,wall,ezoom,workarounds,staticswitcher,resize,fade,unitymtgrabhandles,scale,session,unityshell]
CompositorRunning: None
CurrentDmesg:
 [   25.808008] eth0: no IPv6 routers present
 [   38.688118] EXT4-fs (sda1): re-mounted. Opts: errors=remount-ro,commit=0
DRM.card0.VGA.1:
 status: connected
 enabled: enabled
 dpms: On
 modes: 1024x768 800x600 800x600 848x480 640x480
 edid-base64:
DRM.card0.VGA.2:
 status: disconnected
 enabled: disabled
 dpms: On
 modes: 
 edid-base64:
Date: Thu Jun  9 23:03:14 2011
DistUpgraded: Fresh install
DistroCodename: natty
DistroVariant: ubuntu
GraphicsCard:
 ATI Technologies Inc Radeon R350 [Radeon 9800 Pro] [1002:4e48] (prog-if 00 [VGA controller])
   Subsystem: Hightech Information System Ltd. Device [1787:8500]
   Subsystem: Hightech Information System Ltd. Device [1787:8501]
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
MachineType: MEDIONPC MS-7012
ProcEnviron:
 LANGUAGE=en_US:en
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-8-generic root=UUID=35d8fe89-ce8b-4172-965c-ad9d9fc3031b ro
Renderer: Unknown
SourcePackage: xorg
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 09/29/2003
dmi.bios.vendor: Phoenix Technologies, LTD
dmi.bios.version: 6.00 PG
dmi.board.name: MS-7012
dmi.board.vendor: MICRO-STAR INTERNATIONAL CO., LTD
dmi.chassis.type: 3
dmi.modalias: dmi:bvnPhoenixTechnologies,LTD:bvr6.00PG:bd09/29/2003:svnMEDIONPC:pnMS-7012:pvr:rvnMICRO-STARINTERNATIONALCO.,LTD:rnMS-7012:rvr:cvn:ct3:cvr:
dmi.product.name: MS-7012
dmi.sys.vendor: MEDIONPC
version.compiz: compiz 1:0.9.4+bzr20110415-0ubuntu2
version.libdrm2: libdrm2 2.4.23-1ubuntu6
version.libgl1-mesa-dri: libgl1-mesa-dri 7.10.2-0ubuntu2
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 7.10.2-0ubuntu2
version.xserver-xorg: xserver-xorg 1:7.6+4ubuntu3
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.0-0ubuntu4
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.14.0-4ubuntu7.1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20110107+b795ca6e-0ubuntu7

** Affects: xorg (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug i386 natty needs-reassignment regression-update ubuntu

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https://bugs.launchpad.net/bugs/795272

Title:
  EDID won't be read resulting in black screen at boot

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