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[Po-Hsu Lin <po-hsu.lin@xxxxxxxxxxxxx>]

Hello, 
tested with 12.04.4 stock image on 201109-9790 (BIOS A04)
I think we can narrow down this issue to nouveau itself, it works fine with the nvidia-331-update proprietary driver

This system can be suspended with nouveau, but X will crash on resume.
Many EE could be found in the attached log.

Steps for reproduce this bug:
1. Install 12.04.4, boot to desktop
2. Suspend it by using the "suspend" option in system menu
3. Press the power button to wake it up

Expected result:
* Suspend/resume works fine on this system

Actual result:
* System suspended
* On resume, you will see the desktop instead of the unlock dialog, and it freezes, the cursor is the only responding thing. A moment later, you will see the login screen, but it freezes again when you try to log in.

Since the proprietary driver works, blocker tags will be removed

** Attachment added: "Xorg.0.log-12.04.4"
   https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1182296/+attachment/3998749/+files/Xorg.0.log.old

** Changed in: linux (Ubuntu)
       Status: Incomplete => Confirmed

** Tags removed: blocks-hwcert blocks-hwcert-enablement ihv-nvidia

** Summary changed:

- [Dell Precision T7600] System fails to resume from suspend
+ [Dell Precision T7600] System fails to resume from suspend with nouveau driver

** Summary changed:

- [Dell Precision T7600] System fails to resume from suspend with nouveau driver
+ [Dell Precision T7600][NVIDIA NVS300] System fails to resume from suspend with nouveau driver

** Changed in: linux (Ubuntu)
   Importance: High => Medium

** Package changed: linux (Ubuntu) => xserver-xorg-video-nouveau-lts-
saucy (Ubuntu)

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https://bugs.launchpad.net/bugs/1182296

Title:
  [Dell Precision T7600][NVIDIA NVS300] System fails to resume from
  suspend with nouveau driver

Status in “xserver-xorg-video-nouveau-lts-saucy” package in Ubuntu:
  Confirmed

Bug description:
  201109-9790 Dell Precision T7600  12.04.2 LTS

  Step:
  1. Press "Suspend" in system menu.
  2. Press the power button after the system is suspended.

  Expected Results:
  1. System suspended.
  2. System woke-up from suspend.

  Actual Results:
  1. System suspended.
  2. System does not wake-up from suspend, nothing on the screen but a 1" wide purple rectangle.
  In the short while, the system will starting to beep.

  The graphic card of this system is nVidia NVS300, this issue remains
  no matter using the open-source or proprietary drivers (current / current-update / experimental)

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: linux-image-3.5.0-23-generic 3.5.0-23.35~precise1
  ProcVersionSignature: Ubuntu 3.5.0-23.35~precise1-generic 3.5.7.2
  Uname: Linux 3.5.0-23-generic x86_64
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.25.
  ApportVersion: 2.0.1-0ubuntu17.1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  ubuntu     1943 F.... pulseaudio
   /dev/snd/controlC0:  ubuntu     1943 F.... pulseaudio
  CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not found.
  Card0.Amixer.info:
   Card hw:0 'PCH'/'HDA Intel PCH at 0xf3420000 irq 85'
     Mixer name	: 'Realtek ALC269VB'
     Components	: 'HDA:10ec0269,10280495,00100100'
     Controls      : 27
     Simple ctrls  : 14
  Card1.Amixer.info:
   Card hw:1 'NVidia'/'HDA NVidia at 0xf3080000 irq 36'
     Mixer name	: 'Nvidia GPU 0b HDMI/DP'
     Components	: 'HDA:10de000b,10de0101,00100200'
     Controls      : 24
     Simple ctrls  : 4
  Date: Mon May 20 18:03:44 2013
  HibernationDevice: RESUME=UUID=c5379217-7d04-475e-9c7b-c773c7d2da61
  InstallationMedia: Ubuntu 12.04.2 LTS "Precise Pangolin" - Release amd64 (20130213)
  IwConfig:
   eth0      no wireless extensions.
   
   lo        no wireless extensions.
  MachineType: Dell Inc. Precision T7600
  MarkForUpload: True
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 nouveaufb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-23-generic root=UUID=005bc81a-1132-47ba-95bb-64399ff8ed0c ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.5.0-23-generic N/A
   linux-backports-modules-3.5.0-23-generic  N/A
   linux-firmware                            1.79.1
  RfKill:
   
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 08/29/2012
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: X66
  dmi.board.vendor: Dell Inc.
  dmi.chassis.type: 7
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrX66:bd08/29/2012:svnDellInc.:pnPrecisionT7600:pvr01:rvnDellInc.:rn:rvr:cvnDellInc.:ct7:cvr:
  dmi.product.name: Precision T7600
  dmi.product.version: 01
  dmi.sys.vendor: Dell Inc.

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