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[Launchpad Bug Tracker <664190@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/664190

Title:
  2.6.35 kernel regression in video / High CPU Xorg on Resume

Status in linux package in Ubuntu:
  Expired
Status in linux source package in Lucid:
  Won't Fix
Status in linux source package in Maverick:
  Won't Fix

Bug description:
  1). Fresh boot scrolling over images and video playback is perfectly
  smooth

  2). Suspend / Resume

  3). Xorg CPU usage spikes over 70% now while scrolling in a browser

  4). Playing a video slows system down completely

  5) I've tested all the mainline kernels and this regression was
  introduced between v2.6.34.7-maverick and v2.6.35-maverick/

  ProblemType: Bug
  DistroRelease: Ubuntu 10.10
  Package: linux-image-2.6.35-22-generic 2.6.35-22.35
  Regression: Yes
  Reproducible: Yes
  ProcVersionSignature: Ubuntu 2.6.35-22.35-generic 2.6.35.4
  Uname: Linux 2.6.35-22-generic x86_64
  NonfreeKernelModules: wl
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
  Architecture: amd64
  ArecordDevices:
   **** List of CAPTURE Hardware Devices ****
   card 0: Intel [HDA Intel], device 0: STAC92xx Analog [STAC92xx Analog]
     Subdevices: 1/1
     Subdevice #0: subdevice #0
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  james      1644 F.... pulseaudio
   /dev/snd/pcmC0D0p:   james      1644 F...m pulseaudio
   /dev/snd/timer:      james      1644 F.... pulseaudio
  CRDA: Error: [Errno 2] No such file or directory
  Card0.Amixer.info:
   Card hw:0 'Intel'/'HDA Intel at 0xd6400000 irq 46'
     Mixer name	: 'Intel IbexPeak HDMI'
     Components	: 'HDA:111d7603,103c3658,00100202 HDA:80862804,80860101,00100000'
     Controls      : 28
     Simple ctrls  : 14
  Date: Wed Oct 20 17:53:42 2010
  HibernationDevice: RESUME=UUID=139e8c86-758d-4e15-8c4a-a2d03a19c17a
  InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
  MachineType: Hewlett-Packard HP Pavilion dv6 Notebook PC
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.35-22-generic root=UUID=70f4326b-33a2-4d73-9f94-72cc87299ff2 ro quiet splash
  ProcEnviron:
   LANG=en_US.utf8
   SHELL=/bin/bash
  RelatedPackageVersions: linux-firmware 1.38
  SourcePackage: linux
  StagingDrivers: lirc_ene0100
  Title: [STAGING]
  dmi.bios.date: 02/06/2010
  dmi.bios.vendor: Hewlett-Packard
  dmi.bios.version: F.17
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: 3658
  dmi.board.vendor: Hewlett-Packard
  dmi.board.version: 32.24
  dmi.chassis.type: 10
  dmi.chassis.vendor: Hewlett-Packard
  dmi.chassis.version: N/A
  dmi.modalias: dmi:bvnHewlett-Packard:bvrF.17:bd02/06/2010:svnHewlett-Packard:pnHPPaviliondv6NotebookPC:pvr049D210000241210000020000:rvnHewlett-Packard:rn3658:rvr32.24:cvnHewlett-Packard:ct10:cvrN/A:
  dmi.product.name: HP Pavilion dv6 Notebook PC
  dmi.product.version: 049D210000241210000020000
  dmi.sys.vendor: Hewlett-Packard

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