video playback slowdown

Video playback becomes extremely slow and luggy after few seconds of playback and lugs permanently, no matter of which player or video used, until reboot. This problem occurs on 2.6.35-22-generic linux kernel and doesn't appear on previous stable 2.6.32-24-generic loaded in maverick beta.

ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: linux-image-2.6.35-22-generic 2.6.35-22.32
Regression: Yes
Reproducible: Yes
ProcVersionSignature: Ubuntu 2.6.35-22.32-generic 2.6.35.4
Uname: Linux 2.6.35-22-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: voodoo 1724 F.... pulseaudio
CRDA: Error: [Errno 2] Нет такого файла или каталога
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xf0900000 irq 48'
   Mixer name : 'Realtek ALC662 rev1'
   Components : 'HDA:10ec0662,15580805,00100101 HDA:10573055,00305557,00100900'
   Controls : 24
   Simple ctrls : 14
Date: Sun Sep 19 09:50:28 2010
HibernationDevice: RESUME=UUID=11596b3d-86cc-494b-83d1-e2e385955d02
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release amd64 (20100429)
MachineType: CLEVO CO. W760T/M740T/M760T
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.35-22-generic root=UUID=ce2b3eb9-34a8-4927-9ede-f1ecc45272af ro quiet splash
ProcEnviron:
 PATH=(custom, user)
 LANG=ru_RU.utf8
 SHELL=/bin/bash
RelatedPackageVersions: linux-firmware 1.38
RfKill:
 0: phy0: Wireless LAN
  Soft blocked: no
  Hard blocked: no
SourcePackage: linux
dmi.bios.date: 09/17/2009
dmi.bios.vendor: Phoenix Technologies LTD
dmi.bios.version: 1.00.05
dmi.board.asset.tag: Tag 12345
dmi.board.name: W760T/M740T/M760T
dmi.board.vendor: CLEVO Co.
dmi.board.version: Not Applicable
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 1
dmi.chassis.vendor: No Enclosure
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnPhoenixTechnologiesLTD:bvr1.00.05:bd09/17/2009:svnCLEVOCO.:pnW760T/M740T/M760T:pvrNotApplicable:rvnCLEVOCo.:rnW760T/M740T/M760T:rvrNotApplicable:cvnNoEnclosure:ct1:cvrN/A:
dmi.product.name: W760T/M740T/M760T
dmi.product.version: Not Applicable
dmi.sys.vendor: CLEVO CO.