[Realtek ALC882] Playback problem

Sound in Flash doesn't work after installation of pulseaudio. Everything worked before that. Kubuntu lucid, flash player from adobe, confirmed in firefox and konqueror.

ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: alsa-base 1.0.22.1+dfsg-0ubuntu3
ProcVersionSignature: Ubuntu 2.6.32-25.44-generic 2.6.32.21+drm33.7
Uname: Linux 2.6.32-25-generic i686
NonfreeKernelModules: nvidia
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
Architecture: i386
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: karaluh 3111 F.... pulseaudio
 /dev/snd/pcmC0D0p: karaluh 3111 F...m pulseaudio
Card0.Amixer.info:
 Card hw:0 'M5461'/'HDA ULI M5461 at 0xdbcf4000 irq 22'
   Mixer name : 'Realtek ALC882'
   Components : 'HDA:10ec0882,1043817f,00100101'
   Controls : 44
   Simple ctrls : 25
Card1.Amixer.info:
 Card hw:1 'UART'/'MPU-401 UART at 0x330, irq 5'
   Mixer name : ''
   Components : ''
   Controls : 0
   Simple ctrls : 0
Card1.Amixer.values:

Date: Thu Oct 7 17:18:50 2010
PackageArchitecture: all
ProcEnviron:
 LANGUAGE=pl_PL:pl:en_GB:en
 LANG=pl_PL.UTF-8
 SHELL=/bin/bash
SelectedCard: 0 M5461 HDA-Intel - HDA ULI M5461
SourcePackage: alsa-driver
Symptom: audio
Title: [Realtek ALC882] Playback problem
dmi.bios.date: 08/22/2006
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 0602
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: A8R32-MVP Deluxe
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: Rev 1.xx
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr0602:bd08/22/2006:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnA8R32-MVPDeluxe:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: System Product Name
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer