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[Launchpad Bug Tracker <584866@xxxxxxxxxxxxxxxxxx>]

[Expired for linux (Ubuntu) because there has been no activity for 60
days.]

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

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https://bugs.launchpad.net/bugs/584866

Title:
  lucid regression: suspend to RAM broken on HP Compaq 6710b

Status in “linux” package in Ubuntu:
  Expired

Bug description:
  - works with Karmic kernel: 2.6.31-21.59
  - does not work with Lucid kernel: 2.6.32-22.33
  - Ubuntu's mainline kernel works however is broken in a different way: 2.6.34-999.201005231006

  When using Lucid's Kernel 2.6.32-22.33, then one of the following
  things happen when I suspend either through the menu or by closing the
  lid:

  * the laptop starts to suspend, locks the screen, works for a while and nothing
    happens and I have to unlock the screen to get back to the desktop

  * the laptop will blank the screen but the power leds will stay on, as if the
    laptop was on, however the fan is not working, suggesting that the
    laptop is actually off

  * the laptop will blank the screen but will stay on. Since I couldn't figure out how
    to make it light on the screen again I had to shut it down.

  I checked the dmesg and kern.log logs but couldn't find anything
  conclusive in there.

  Ubuntu's mainline kernel: 2.6.34-999.201005231006 is even weirder:

  When I boot into it, the only thing I shortly see is "Starting Up..."
  and then the screen goes blank and stays that way. The fan goes to max
  and the air coming out becomes really hot.Then since apparently the
  bootup process is telling me that it can't mount some non-automount
  partition i press "S" and the boot continues. Out of the blue the
  login appears. I log in and I see that udevd is turning at 100% CPU.

  ProblemType: Bug
  DistroRelease: Ubuntu 10.04
  Package: linux-image-2.6.32-22-generic 2.6.32-22.33
  Regression: Yes
  Reproducible: Yes
  ProcVersionSignature: Ubuntu 2.6.32-22.33-generic 2.6.32.11+drm33.2
  Uname: Linux 2.6.32-22-generic x86_64
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
  AplayDevices:
   **** List of PLAYBACK Hardware Devices ****
   card 0: Intel [HDA Intel], device 0: AD198x Analog [AD198x Analog]
     Subdevices: 1/1
     Subdevice #0: subdevice #0
  Architecture: amd64
  ArecordDevices:
   **** List of CAPTURE Hardware Devices ****
   card 0: Intel [HDA Intel], device 0: AD198x Analog [AD198x Analog]
     Subdevices: 1/1
     Subdevice #0: subdevice #0
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  tpo        2640 F.... pulseaudio
  Card0.Amixer.info:
   Card hw:0 'Intel'/'HDA Intel at 0xe4804000 irq 16'
     Mixer name	: 'Analog Devices AD1981'
     Components	: 'HDA:11d41981,103c30c0,00100200 HDA:11c11040,103c1378,00100200'
     Controls      : 12
     Simple ctrls  : 10
  Date: Mon May 24 11:01:02 2010
  HibernationDevice: RESUME=UUID=17333b30-576f-4822-85e6-697cde92fe04
  MachineType: Hewlett-Packard HP Compaq 6710b (GB893ET#UUZ)
  ProcCmdLine: root=UUID=17333b30-576f-4822-85e6-697cde92fe04 ro quiet splash
  ProcEnviron:
   LANGUAGE=de_CH:de
   PATH=(custom, user)
   LANG=de_CH.utf8
   SHELL=/bin/bash
  RelatedPackageVersions: linux-firmware 1.34
  SourcePackage: linux
  WpaSupplicantLog:

  dmi.bios.date: 01/11/2008
  dmi.bios.vendor: Hewlett-Packard
  dmi.bios.version: 68DDU Ver. F.10
  dmi.board.name: 30C0
  dmi.board.vendor: Hewlett-Packard
  dmi.board.version: KBC Version 71.2E
  dmi.chassis.asset.tag: CNU8032Z2G
  dmi.chassis.type: 10
  dmi.chassis.vendor: Hewlett-Packard
  dmi.modalias: dmi:bvnHewlett-Packard:bvr68DDUVer.F.10:bd01/11/2008:svnHewlett-Packard:pnHPCompaq6710b(GB893ET#UUZ):pvrF.10:rvnHewlett-Packard:rn30C0:rvrKBCVersion71.2E:cvnHewlett-Packard:ct10:cvr:
  dmi.product.name: HP Compaq 6710b (GB893ET#UUZ)
  dmi.product.version: F.10
  dmi.sys.vendor: Hewlett-Packard

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