[ubuntu-za] Audio and video Problem Upgrade 9.04

[Sudhashen Naicker]

Hi

I have the same VGA card as you(HP 6720s) and have your issues-slight graphics performance issues but that's it. Using jaunty. I posted recently what I used to get mine right - have u tried that?

Apologies for the top post-my blackberry does not allow me to post proper. 


Kind Regards

Sudhashen Naicker
Manager
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-----Original Message-----
From: Charl Wentzel <charl.wentzel at vodamail.co.za>

Date: Fri, 15 May 2009 22:51:51 
To: Ubuntu South African Local Community<ubuntu-za at lists.ubuntu.com>
Subject: Re: [ubuntu-za] Audio and video Problem Upgrade 9.04


On Fri, 2009-05-15 at 17:07 +0200, Bruno Marques wrote:
> Walter Leibbrandt wrote: 
> > Bruno Marques wrote:
> >   
> > > well, regarding the graphics card, i dunno what it is, im using a 
> > > laptop, so its a integrated one, not too good, cause i cant play many 
> > > games on it, its mostly a bussiness laptop, build towards ram and 
> > > processor speed.
> > > how can i see what graphics card its using?
> > >     
> > $ lspci | grep VGA
> >   
> this was the output :
> 
> root at bruno-laptop:/home/bruno# lspci | grep VGA
> 00:02.0 VGA compatible controller: Intel Corporation Mobile
> GM965/GL960 Integrated Graphics Controller (rev 0c)

I have the same graphics card and had the same issue.  The problem is
that this graphics card is on the blacklist of Compiz, in other words
Compiz won't allow you to enable it.  There is some "freeze" bug that
they are waiting to get resolved before taking it of the blacklist:
https://answers.launchpad.net/ubuntu/+question/67975
http://wiki.compiz-fusion.org/Hardware/Blacklist 

I got around it, by removing the "blacklist entry" on my machine, but
created new problems for myself.  In fact I now have two new problems:

1. The windows manager doesn't load when my machine boots up!  This is
seriously annoying!  I have to restart it before opening any programs.
If anybody has advice, please let me know.

2. My computer intermittently freeze when I try to get out of the screen
saver.  Still no fix for this either.

My advice, accept that your screen card has issues with Compiz.  If you
really still want to try it (at the risk of getting the same problems),
here's what I did...

1) Type in the terminal: "sudo gedit /usr/bin/compiz"
2) Search in the file the lines about the blacklist. There should be a
pair of lines with your (i.e. intel) graphic card. Uncomment them
(meaning: put a '#' at the beginning of the line).
3) Save the file.
4) Restart the system

Before that, I also tried the following on the command line:
1) gconftool-2 --set --type=bool /apps/metacity/general/compositing_manager false
2) compiz --replace
but because of the blacklist it didn't work! But this might be part of 
my problems.

Just in case you get the same problems, I suggest you install "Compiz 
Fusion Icon" through Synaptic and add an entry for it in System -> 
Preferences -> Startup Applications.  The command for the startup entry 
is "fusion-icon --no-start".

If you restart your system and you open a program and you see that it 
does not have a title bar or close button on the top, your windows
manager has gone haywire.  All you do is right-click on Compiz Fusion Icon
on the panel (top right) and select "Reload window manager". 

I don't have a permanent fix yet.

> 
> > > im going to test the audio right now, and give some feedback in a 
> > > couple of minutes
> > >     
> > I don't believe it to be a hardware problem, because you would've seen 
> > playback errors all over the place if it was. What I've found to be the 
> > most common problem is that some odd channels are muted. Have you 
> > confirmed that all the channels are unmuted? Click on the volume applet, 
> > "Volume Control..." and make sure that the mute icon below all playback 
> > channels indicate that it is not muted. Do this for all devices in the 
> > combo box at the top of the volume control dialog.
> > 
> > HTH,
> > 
> >   
> found the problem, after accessing volume control the PCM was muted,
> the master was ok, after unmuting the PCM problem solved
> 
> but now, i noticed, everytime my pc restarts, i found the PCM is muted
> again, and i have to unmute. it doesnt even play the login in sound.
> any way to revert this? so that it doesnt mute everytime my laptop
> shuts off?
> 
> thanks for the help once again :)
> 
> Regards
> 
> Bruno Marques


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