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[davvidde <578146@xxxxxxxxxxxxxxxxxx>]

Is it possible that graphics driver is broken?
after pressing ALT+F7 the system show a black screen with an underscore blinking cursor at top left and no gdm session.
How to reinstall the ATI driver in chroot mode with live CD?

Thanks.

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https://bugs.launchpad.net/bugs/578146

Title:
  Ubuntu 10.04 : System hangs after SCSI probing

Status in “linux” package in Ubuntu:
  Invalid
Status in Gentoo Linux:
  New

Bug description:
  On a DELL studio XPS, with a fresh install of Ubuntu 10.04 x86 Desktop, the system hangs at boot almost every time (80% of the time).
  Removing 'quiet splash' boot option does not help.
  Booting in recovery mode does not help too.
  When it hangs, the latest messages displayed are :
  ...
  [    9.070989] fb0: radeondrmfb frame buffer device
  [    9.070990] registered panic notifier
  [    9.070993] [drm] Initialized radeon 2.0.0 20080528 for 0000:05:00.0 on minor 0
  [    9.071022] HDA Intel 0000:05:00.1: PCI INT B -> GSI 17 (level, low) -> IRQ 17
  [    9.071039] HDA Intel 0000:05:00.1: setting latency timer to 64
  [    9.252453] vga16fb: initializing
  [    9.252455] vga16fb: mapped to 0xc00a0000
  [    9.252457] vga16fb: not registering due to another framebuffer present
  [    9.312189] usb-storage: device scan complete
  [    9.316087] scsi 7:0:0:0: Direct-Access     Generic  Flash HS-CF      5.39 PQ: 0 ANSI: 0
  [    9.319093] scsi 7:0:0:1: Direct-Access     Generic  Flash HS-COMBO   5.39 PQ: 0 ANSI: 0
  [    9.319358] sd 7:0:0:0: Attached scsi generic sg8 type 0
  [    9.319429] sd 7:0:0:1: Attached scsi generic sg9 type 0
  [    9.344581] Console: switching to colour frame buffer device 160x64
  [    9.362612] sd 7:0:0:0: [sdg] Attached SCSI removable disk
  [    9.366324] sd 7:0:0:1: [sdh] Attached SCSI removable disk   <--- hangs here

  On the DELL I have 2 others OS : Windows VISTA and Ubuntu 9.04 that
  still works well.

  ProblemType: Bug
  DistroRelease: Ubuntu 10.04
  Package: linux-image-2.6.32-21-generic 2.6.32-21.32
  Regression: Yes
  Reproducible: Yes
  ProcVersionSignature: Ubuntu 2.6.32-21.32-generic 2.6.32.11+drm33.2
  Uname: Linux 2.6.32-21-generic i686
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
  Architecture: i386
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  elapouya   2615 F.... pulseaudio
  CRDA: Error: [Errno 2] Aucun fichier ou dossier de ce type
  Card0.Amixer.info:
   Card hw:0 'Intel'/'HDA Intel at 0xfbbf0000 irq 22'
     Mixer name	: 'Realtek ALC1200'
     Components	: 'HDA:10ec0888,102802c9,00100101'
     Controls      : 37
     Simple ctrls  : 20
  Card1.Amixer.info:
   Card hw:1 'HDMI'/'HDA ATI HDMI at 0xfbefc000 irq 17'
     Mixer name	: 'ATI R6xx HDMI'
     Components	: 'HDA:1002aa01,00aa0100,00100100'
     Controls      : 4
     Simple ctrls  : 1
  Card1.Amixer.values:
   Simple mixer control 'IEC958',0
     Capabilities: pswitch pswitch-joined penum
     Playback channels: Mono
     Mono: Playback [off]
  Date: Mon May 10 10:22:12 2010
  HibernationDevice: RESUME=UUID=171f55f9-5f68-4ecb-a80f-10dce6e3e8e5
  InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release i386 (20100429)
  IwConfig:
   lo        no wireless extensions.
   
   eth0      no wireless extensions.
  MachineType: Dell Inc. Studio XPS 435MT
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-21-generic root=UUID=0cef4c75-d885-4984-a4ef-68f3db52b8b2 ro
  ProcEnviron:
   PATH=(custom, user)
   LANG=fr_FR.utf8
   SHELL=/bin/bash
  RelatedPackageVersions: linux-firmware 1.34
  RfKill:
   
  SourcePackage: linux
  dmi.bios.date: 03/12/2009
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: 1.0.12
  dmi.board.name: 0R849J
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 3
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvr1.0.12:bd03/12/2009:svnDellInc.:pnStudioXPS435MT:pvr:rvnDellInc.:rn0R849J:rvrA00:cvnDellInc.:ct3:cvr:
  dmi.product.name: Studio XPS 435MT
  dmi.sys.vendor: Dell Inc.

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