request for some help with performance and sound

[Patrick McKnight]

Richard,

Thanks for your help.  I intend to tackle the video problem tomorrow
morning.  It seems that the driver might be the issue.

On Feb 5, 2008 4:23 PM, Richard Doyle <rdoyle at islandnetworks.com> wrote:

>
> On Tue, 2008-02-05 at 15:42 -0500, Patrick McKnight wrote:
> > Ah, good catch.  I am not sure about the driver (I cannot check it
> > right now because I am not in my lab).  If I specify the via driver in
> > the lts.conf file, I suspect it is using the stock xorg driver.  Is
> > that true?
> Yes.
>
> > If so, I think this might be the problem.  By the way, my server video
> > performance is horrible as well.  Perhaps that is the common thread.
> Sounds likely.
>
> > Is there a way to stick with the Gutsy install but use the via driver
> > from previous versions?  I know xorg is quite finicky about driver
> > compatibility but perhaps the versions are not so different in driver
> > specs.
> As far as I know, your xorg drivers need to match your kernel, and each
> version uses a new kernel, so...
>
> With Feisty, we're using a driver compiled from source and the via
> binary, as described at:
>
>
> http://www.viaarena.com/Driver/via%20linux%20unichrome%20kernel%20driver%20source%20code%20installation%20guide%20v0%5B1%5D.83.gz
>
> Unfortunately, there isn't anything comparable for Gutsy, and the
> openchrome, xorg, and unichrome open source drivers gave unacceptable
> performance, or at least I ran out of time to find a way to make any of
> them work.
>
>
> >
> > Thanks for the questions.  They are leading me at least in a direction
> > to figure out the source of my problem.
> >
> > On Feb 5, 2008 3:11 PM, Richard Doyle <rdoyle at islandnetworks.com>
> > wrote:
> >
> >         On Tue, 2008-02-05 at 14:50 -0500, Patrick McKnight wrote:
> >         > Richard,
> >         >
> >         > Thanks for the quick reply and sorry about excluding
> >         relevant
> >         > information.
> >
> >         Were you using the default Via driver (the xorg version) in
> >         both
> >         instances?
> >         >
> >         > I am using 7.10 (Gutsy) now.  The install is the AMD64
> >         version on my
> >         > server and I boot off a i386 image for my clients.
> >
> >         Log into the system console on the client, as root, and
> >         inspect the Xorg
> >         log (in our system it is named Xorg.6.log) for clues. See
> >         >
> >         > With respect to the drivers and kernel, yes, I suppose the
> >         via driver
> >         > changed from the Dapper ltsp install to the Gutsy Edubuntu
> >         ltsp
> >         > install.  I would not expect the driver to account for the
> >         extreme
> >         > difference but perhaps that is the case.
> >
> >         I agree, but only if you were using the xorg driver in both
> >         cases. The
> >         xorg driver works, but performanace is poor. In my experience,
> >         the only
> >         driver to provide decent performance is the proprietary
> >         version from
> >         Via, and that only with the pre-gutsy version. We've reverted
> >         to Feisty
> >         for this reason.
> >
> >
> >
> >
> >         --
> >
> >         edubuntu-users mailing list
> >         edubuntu-users at lists.ubuntu.com
> >         Modify settings or unsubscribe at:
> >         https://lists.ubuntu.com/mailman/listinfo/edubuntu-users
> >
> >
> > --
> > Cheers,
> >
> > Patrick
> >
>
>
> --
> edubuntu-users mailing list
> edubuntu-users at lists.ubuntu.com
> Modify settings or unsubscribe at:
> https://lists.ubuntu.com/mailman/listinfo/edubuntu-users
>



-- 
Cheers,

Patrick
------------------------------------------
Patrick E. McKnight, Ph.D.
Department of Psychology
George Mason University
MSN 3F5, 4400 University Drive
Fairfax, VA 22030-4444
703-993-8292 (office)
703-993-1359 (fax)
pmcknigh at gmu.edu
http://mres.gmu.edu
-------------- next part --------------
An HTML attachment was scrubbed...
URL: https://lists.ubuntu.com/archives/edubuntu-users/attachments/20080205/0cff712a/attachment-0001.htm