[Bug 533406] [NEW] No sound in Karmic after update to 2.6.31-20

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After a standard update in kubuntu karmic to the last kernel version
(2.6.31-20) I get no sound from any application.

Result from alsa-info.sh
http://www.alsa-project.org/db/?f=e23623e8b7c9684e1471a9021ca758b3aa1a6bdd

ProblemType: Bug
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  jordi      2267 F.... pulseaudio
                      jordi      2273 F.... kmix
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xf9ff8000 irq 30'
   Mixer name	: 'Realtek ALC1200'
   Components	: 'HDA:10ec0888,104382fe,00100101'
   Controls      : 40
   Simple ctrls  : 22
Date: Sat Mar  6 19:05:50 2010
DistroRelease: Ubuntu 9.10
NonfreeKernelModules: nvidia
Package: alsa-base 1.0.20+dfsg-1ubuntu5
PackageArchitecture: all
ProcEnviron:
 LANGUAGE=es_ES:es:en_GB:en
 LANG=es_ES.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-20.57-generic
SourcePackage: alsa-driver
Uname: Linux 2.6.31-20-generic x86_64
XsessionErrors:
 (polkit-gnome-authentication-agent-1:2288): GLib-CRITICAL **: g_once_init_leave: assertion `initialization_value != 0' failed
 (firefox:2309): GLib-WARNING **: g_set_prgname() called multiple times

** Affects: linux (Ubuntu)
     Importance: Medium
         Status: Incomplete


** Tags: amd64 apport-bug
-- 
No sound in Karmic after update to 2.6.31-20
https://bugs.edge.launchpad.net/bugs/533406
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