[Bugme-new] [Bug 6727] New: distorted sound with via audio controller

[bugme-daemon at bugzilla.kernel.org]

http://bugzilla.kernel.org/show_bug.cgi?id=6727

           Summary: distorted sound with via audio controller
    Kernel Version: 2.6.17
            Status: NEW
          Severity: normal
             Owner: perex at perex.cz
         Submitter: rich at hq.vsaa.lv


this is quite unclear situation. so far it seems to me that kernel drivers are 
heavily involved. i'm sorry if they are not :)

the computer (fujitsu-siemens lifebook c-1020) has heavily distorted sound - 
mostly with videos, but also with several music players.

i suspect kernel drivers because of several facts :
this problem is common for a lot of applications, including different media 
players and games.
currently it disappears after suspend/resume cycle, but some kernel versions 
ago it was the other way around - sound was fine right after the boot, suspend-
resume cycle broke it.

changing audio output in mplayer (with -ao) doesn't help, it's the same with 
oss(alsa emulation)/alsa/sdl.

some basic information :

lspci output
Multimedia audio controller: VIA Technologies, Inc. VT8233/A/8235/8237 AC97 
Audio Controller (rev 30)

dmesg alsa device list
ALSA device list:
  #0: VIA 8233 with Cx20468 at 0xe100, irq 10
  #1: VIA 82XX modem at 0xe200, irq 10

this is slackware-current system.
i understand that currently provided information is insufficient, but i don't 
know what else is relevant and i will be happy to provide the needed 
information.

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