[Bug 293726] Re: flash video freezes after 2-3 seconds

[Gergo Lippai]

Hi,

I'm having the same issue, with an intel onboard sound chipset. It is
clearly a sound issue, and it seems to be an ALSA problem, although I'm
not sure why it got screwed up in Intrepid when it was fine in Hardy and
Gutsy, too.

Anyways, a couple of bullet points:
- For some reason i certain programs get a hold of ALSA, the problem comes up. It's not all the time, but it's definetely not just Flash and Rhythmbox either, e.g. it seems to me that (strictly sometimes) two competing instances of Flash can do the same. (It's a shame Firefox dies when Flash dies under it, but that's a separate issue and I think it might actually have to do something the closed beta piece of crap nature of Flash, not Firefox or the Ubuntu team.)
- I tried to open the Multimedia Systems Properties (that runs gstreamer-properties) and found that it dies too when trying to test ALSA. Xkill is my only relieve. If I set the Multimedia Systems to PulseAudio, it still won't work, but at least gstreamer-properties does not die. So it seems to be (again) an ALSA problem, PulseAudio just shows what it can, from the ALSA layer: nothing.
- When ALSA dies under PulseAudio, it spits the following into /var/log/messages:
  Dec  7 08:40:48 athon pulseaudio[8838]: module-alsa-sink.c: Got POLLERR from ALSA

>From thar, this bug seems to be a duplicate of https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/194903 where it seems to be a bug with suspend and we can find a couple of ideas on how to fix it:
- rmmod'ing and modprobe'ing the sound module:
  rmmod snd-hda-intel; modprobe snd-hda-intel
- force-reloading ALSA:
  sudo /sbin/alsa-utils

None of the above worked for me so far, but there are some changes in
Intrepid's sound setup (there are a lot of sound related modules, for
one), so there's a lot to test and play with ;)

Hope this brings us closer to the root of the problem.

-- 
flash video freezes after 2-3 seconds
https://bugs.launchpad.net/bugs/293726
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