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[gothbert <omega@xxxxxxxxx>]

apport information

** Attachment added: "ProcInterrupts.txt"
   https://bugs.launchpad.net/bugs/1377265/+attachment/4227655/+files/ProcInterrupts.txt

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https://bugs.launchpad.net/bugs/1377265

Title:
  Kubuntu Installer hangs with messed up screen (NVIDIA NV450 graphics
  card)

Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  For hardware details please see attached dmesg and X.org.log. Main
  feature suspected to cause issue is nouveau driver in conjunction with
  NVIDIA Quadro NVS450 graphics card.

  The issue occurs with the Kubuntu 14.04 LTS (release) installer and
  the Kubuntu 14.10 (beta 2) installer on my PC.

  Plug in USB stick or use DVD with installer ISO image. Reset. Kernel
  boots. The Keyboard=Man in Circle icon appears at the bottom. After
  some time the kubuntu logo appears and glows. Under 14.04 it then
  simply hangs forever, under 14.10 the screen messes up (black and
  white bricks) and then it hangs forever.

  Switching to a text console in the interim shows that some part of the
  bootstrapping process succeeds, approximately up to the activation of
  the sound driver. The degree of completion of the initialization
  varies over different trials to boot into Kubuntu.

  On some occurences, messages appear about problems with the nouveau
  driver.

  I therefore activated the on-board graphics chip and made it the
  primary graphics device. This altered setup boots nicely into the
  configuration screen. I did not go further and did not install the
  system.

  By the way, I have kubuntu 14.04 LTS running on that PC. It was flawlessly installed when I had a different mainboard. Due to a hardware defect, I had to change the mainboard. With identical setup now apart from the mainboard, the re-installation process fails.
  --- 
  ApportVersion: 2.14.1-0ubuntu3.5
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  neubert    2385 F.... pulseaudio
                        neubert    2858 F.... pulseaudio
   /dev/snd/controlC1:  neubert    2385 F.... pulseaudio
                        neubert    2858 F.... pulseaudio
  CurrentDesktop: KDE
  DistroRelease: Ubuntu 14.04
  HibernationDevice: RESUME=UUID=9951a6e8-11e8-41fb-bf47-64b467517038
  InstallationDate: Installed on 2014-06-28 (100 days ago)
  InstallationMedia: Kubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140416.1)
  IwConfig:
   eth1      no wireless extensions.
   
   lo        no wireless extensions.
  MachineType: Gigabyte Technology Co., Ltd. G33M-DS2R
  NonfreeKernelModules: nvidia
  Package: linux (not installed)
  ProcFB:
   
  ProcKernelCmdLine: BOOT_IMAGE=/@/boot/vmlinuz-3.13.0-36-generic root=UUID=0297757b-ccec-4c97-9c92-75144d9d0a1c ro rootflags=subvol=@ quiet splash
  ProcVersionSignature: Ubuntu 3.13.0-36.63-generic 3.13.11.6
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-36-generic N/A
   linux-backports-modules-3.13.0-36-generic  N/A
   linux-firmware                             1.127.7
  RfKill:
   
  Tags:  trusty
  Uname: Linux 3.13.0-36-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm bnuv cdrom dialout dip family fax lp lpadmin plugdev sambashare sudo video
  _MarkForUpload: True
  dmi.bios.date: 07/31/2009
  dmi.bios.vendor: Award Software International, Inc.
  dmi.bios.version: F9A
  dmi.board.name: G33M-DS2R
  dmi.board.vendor: Gigabyte Technology Co., Ltd.
  dmi.board.version: x.x
  dmi.chassis.type: 3
  dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
  dmi.modalias: dmi:bvnAwardSoftwareInternational,Inc.:bvrF9A:bd07/31/2009:svnGigabyteTechnologyCo.,Ltd.:pnG33M-DS2R:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnG33M-DS2R:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr:
  dmi.product.name: G33M-DS2R
  dmi.sys.vendor: Gigabyte Technology Co., Ltd.

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