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

Verified with 12.04.4 and 14.04 Trusty dailylive, 201206-11418 is still
affected

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https://bugs.launchpad.net/bugs/1204339

Title:
  AMD Radeon HD 7640G[1002:9903] Unable to resume from suspend with
  radeon driver

Status in “linux” package in Ubuntu:
  Triaged

Bug description:
  CID: 201206-11418 Dell Inspiron N5425

  This system could be successfully suspended with radeon driver, but unable to resume from it.
  On resume, the system start waking but there is nothing on the screen (black screen).
  And the system become non-responding. Reboot is the only way to regain usability.

  WORKAROUND: By the way, this system could be suspend / resume normally
  with the AMD proprietary driver. But there is a issue regarding the
  brightness control as filed in bug 1190903.

  Therefore, either this bug or that one should be considered as a
  blocker.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: linux-image-3.5.0-36-generic 3.5.0-36.57~precise1
  ProcVersionSignature: Ubuntu 3.5.0-36.57~precise1-generic 3.5.7.14
  Uname: Linux 3.5.0-36-generic x86_64
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.25.
  ApportVersion: 2.0.1-0ubuntu17.3
  Architecture: amd64
  ArecordDevices:
   **** List of CAPTURE Hardware Devices ****
   card 1: Generic [HD-Audio Generic], device 0: CONEXANT Analog [CONEXANT Analog]
     Subdevices: 1/1
     Subdevice #0: subdevice #0
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  ubuntu     1723 F.... pulseaudio
   /dev/snd/controlC0:  ubuntu     1723 F.... pulseaudio
  Card0.Amixer.info:
   Card hw:0 'HDMI'/'HDA ATI HDMI at 0xfeb44000 irq 53'
     Mixer name	: 'ATI R6xx HDMI'
     Components	: 'HDA:1002aa01,00aa0100,00100300'
     Controls      : 6
     Simple ctrls  : 1
  Card0.Amixer.values:
   Simple mixer control 'IEC958',0
     Capabilities: pswitch pswitch-joined penum
     Playback channels: Mono
     Mono: Playback [on]
  Card1.Amixer.info:
   Card hw:1 'Generic'/'HD-Audio Generic at 0xfeb40000 irq 16'
     Mixer name	: 'Conexant CX20590'
     Components	: 'HDA:14f1506e,10280561,00100003'
     Controls      : 20
     Simple ctrls  : 10
  Date: Tue Jul 23 06:06:53 2013
  HibernationDevice: RESUME=UUID=770418a5-35a9-4a8e-b5e7-1773a925f90e
  InstallationMedia: Ubuntu 12.04.2 LTS "Precise Pangolin" - Release amd64 (20130213)
  MachineType: Dell Inc. Inspiron 5425
  MarkForUpload: True
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB:
   0 radeondrmfb
   1 radeondrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-36-generic root=UUID=008d62bf-b6c3-4c01-8f2e-7c350aeb68d7 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.5.0-36-generic N/A
   linux-backports-modules-3.5.0-36-generic  N/A
   linux-firmware                            1.79.4
  SourcePackage: linux
  StagingDrivers: rts5139
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 01/30/2013
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: X31
  dmi.board.name: Inspiron 5425
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A02
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: Not Specified
  dmi.modalias: dmi:bvnDellInc.:bvrX31:bd01/30/2013:svnDellInc.:pnInspiron5425:pvrNotSpecified:rvnDellInc.:rnInspiron5425:rvrA02:cvnDellInc.:ct8:cvrNotSpecified:
  dmi.product.name: Inspiron 5425
  dmi.product.version: Not Specified
  dmi.sys.vendor: Dell Inc.

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