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Re: sound problems

On Mon, Jan 5, 2009 at 9:04 AM, Suren Karapetyan <surenkarapetyan gmail com> wrote:
Paulo Cavalcanti wrote:

On Mon, Jan 5, 2009 at 8:37 AM, Suren Karapetyan <surenkarapetyan gmail com <mailto:surenkarapetyan gmail com>> wrote:

   Paulo Cavalcanti wrote:

       On Sun, Jan 4, 2009 at 12:58 PM, Suren Karapetyan
       <surenkarapetyan gmail com <mailto:surenkarapetyan gmail com>
       <mailto:surenkarapetyan gmail com

       <mailto:surenkarapetyan gmail com>>> wrote:

          Yeah.. I know. fedora-devel is not a place for discussing
       bugs but
          I'll risk.

          As (I hope) many of You already know kernel-
       which was
          pushed as a security update has broken sound on many systems
          (mostly notebooks) -
          https://bugzilla.redhat.com/show_bug.cgi?id=477954. The
       reason for
          this is the new ALSA (1.0.18a).

          There are a lot of "+1"s and "me too"s in bugzilla and if we
          consider the amount of people who don't know how to report
          add those who are on New Year holidays it becomes clear
       that this
          affects a lot of our users.

          So users have two choices now:
          1. Have no sound.
          2. Stick with (this is not as easy as it seems
          the new update will be downloaded and installed automatically).

          I do understand that many developers are on holidays
          but I'm also sure this is a REAL problem which should be
          So I just wanted to know what are we going to do about this.

               You can try the latest alsa snapshot available in ATrpms:



       It has a lot of recent fixes and it is working just fine for
       me and for others. I also had no sound with kernel 159, before
       installing this new alsa.

       If you remove the rpm later, you go back to the original sound
       modules (nothing is overwritten).

       Good luck.

       --        Paulo Roma Cavalcanti
       LCG - UFRJ

   Still doesn't work.

Have you rebooted?

I have a dell vostro 1400, which uses the sigmatel codec (STAC9200)

It is working just fine with the snapshot, but I have to specify the model
in /etc/modprobe.conf. These are the results I got for all possible models:

# the position_fix parameter seems to end xruns in jack
# model=ref           - sound in headphone only, analog mic work. No digital mic.
# model=3stack,5stack - no sound at all.
# model=dell-3stack   - sound works for headphones and speakers, no analog mic. Digital mic is really too low (unusable for practical purposes).

Therefore, the one which works for me, is:

options snd-hda-intel position_fix=1 model=dell-3stack

Paulo Roma Cavalcanti

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