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 Forum index » Taking the Puppy out for a walk » Announcements
Phoronix: ATI R600/700 3D Acceleration In Mesa Next Week?
Moderators: Flash, Ian, JohnMurga
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MU


Joined: 24 Aug 2005
Posts: 13642
Location: Karlsruhe, Germany
PostPosted: Sun 12 Apr 2009, 22:21    Post subject:  Phoronix: ATI R600/700 3D Acceleration In Mesa Next Week?  
http://www.phoronix.com/forums/showthread.php?t=16376

Very interesting for Ati users, as the Catalsyst driver stops supporting older cards than HD2400 or so with the new release 9.4 this month.

Mark
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Flash
Official Dog Handler


Joined: 04 May 2005
Posts: 9847
Location: Arizona USA
PostPosted: Sun 12 Apr 2009, 22:58    Post subject:  
Video for gamers is nice, but I'm waiting for audio through my HDMI cable too. When will Alsa make that happen?
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MU


Joined: 24 Aug 2005
Posts: 13642
Location: Karlsruhe, Germany
PostPosted: Sun 12 Apr 2009, 23:28    Post subject:  
Flash,
I don't know much about this.
Some days ago I installed XP, with SP2, SP3, and then the manufacturers sounddrivers. I wondered, why there was no sound.
Solution was:
you must first install SP2, then the sounddriver, and then the SP3.
So even XP is buggy with these chips.

I have no speakers in my monitor, so can't test it.
It also is connected via VGA cable, not HDMI.

However, lsmod (Kernel 2.6.28.5) shows:
Code:
snd_hda_intel         360308  1
snd_pcm                62980  2 snd_pcm_oss,snd_hda_intel
forcedeth              46480  0
snd_timer              18568  2 snd_seq,snd_pcm
snd                    46520  10 snd_pcm_oss,snd_seq_oss,snd_seq,snd_seq_device,snd_mixer_oss,snd_hda_intel,snd_pcm,snd_timer
soundcore               7240  1 snd
snd_page_alloc          8968  2 snd_hda_intel,snd_pcm


if I google for "snd_hda_intel hdmi", I find for example:
http://lkml.org/lkml/2008/9/3/40

The patches there have such stuff:
Code:
snd-hda-intel-$(CONFIG_SND_HDA_CODEC_ATIHDMI) += patch_atihdmi.o


Those are for linux-2.6.26.
Puppy still has 2.6.25.x, so might need patches, too.

So there might be a good chance, that 2.6.28.5 already has these patches inbuilt.
You might try Ultrapup or Newyearspup, to check that, they use that Kernel already.

Mark
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Aitch


Joined: 04 Apr 2007
Posts: 6825
Location: Chatham, Kent, UK
PostPosted: Sun 12 Apr 2009, 23:49    Post subject:  
Flash

Since HDMI uses a combined video/audio feed maybe your Video driver is in need of an update/re-install?

I found this ....

Quote:
I finally figured out what went wrong with my driver upgrade. It was actually not the fault of the catalyst driver. The reason was that while I did the upgrade to 8.10, I had also ran the update manager in mythbuntu, which happened to have upgraded my kernel version from 2.6.24-19 to 2.6.24-21. That upgrade, as I found out today with yet another ubuntu kernel update, messed up the fglrx installation. This time, I had 8.9 driver installed. The way to tell was that xvinfo showed no adapters and fglrxinfo showed mesa libs.

The sound problem was likely because the cpu became too heavily loaded doing display due to the lack of xv, slowing down frame rate, and audio likely had to compensate. Since I was doing passthrough to my receiver, the latter probably got confused when the expected audio data wasn't arriving in time.

To test out the theory, I uninstalled 8.9 and reinstalled 8.10, which now showed proper xvinfo, and fglrxinfo now showed the proper radeon string. Playback is now normal along with the audio.

Anyway, one thing to watch out for when doing ubuntu updates is that it could mess up the catalyst drivers, and the way to fix it is a driver reinstall.

The other thing is that unfortunately, 8.10 still does not fix the mythtv screen corruption problem. The checkerboard pattern is still there. The reason I didn't see it before was because I was unknowingly not using xv.


try from command line:

mplayer -ao alsa:device=hw=1.0 <your mp3>
mplayer -ao alsa:device=hw=0.0 <your mp3>
mplayer -ao alsa:device=hw=0.1 <your mp3>

or

mplayer -ao alsa:device=spdif <your mp3>

are you using alsa 1.0.19?

http://www.alsa-project.org/main/index.php/Main_Page

see also

http://alsa.opensrc.org/index.php/Main_Page

and

http://alsa.opensrc.org/index.php/Speaker-test#2-speaker_test_using_the_spdif_.28coax_or_optical.29_output

Aitch Smile
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