From: lberto (lberto++at++md.prestige.net)
Date: 05/02/2002 13:33:22
try
perfly -m 0 .....
this dose all processing on one processor!
in the performer code try
pfMultiprocess( PFMP_APPCULLDRAW);
See Ya ~;-}>
Lawrence Bertoldi Software Engineer
lberto++at++md.prestige.net Simagery Inc.
Michael Ginis wrote:
> Douglas,
>
> I think there are possibly two reasons for the lock ups you are seeing
> with the Wildcat and Accelerated-X.
>
> The first reason could stem from a problem that several Accelerated-X
> users have reported to us about perfly crashing at initialization. If
> performer crashes and during the crash it overwrites a command buffer
> there is the potential for a lock up. We were able to trace this to a
> problem in Performer that (rarely) occurs on RedHat systems, but more
> frequently occurs on other Linux distributions. The temporary fix for
> this is to set the 'PFVIDEORATE' environment variable before starting
> perfly, e.g:
>
> # export PFVIDEORATE=85
> # perfly ...
>
> We have been in contact with Tom Flynn about this problem.
>
> The second reason could be a result of perfly using multiple threads
> and using this on SMP boxes. Accelerated-X is thread safe, and I
> believe that perfly has worked with a Wildcat on an SMP machine here
> in our labs, but we'll try that again. In the meantime, instead of
> disabling SMP entirely, you are probably better off running Performer
> in single thread mode. I'm not sure how to force that, does anyone
> know?
>
> --
> Mike Ginis
> mginis++at++xig.com
> http://www.xig.com
> ------------------------------------------------------------------------
>
> From: "Douglas B Maxwell" <dmaxwell++at++ait.nrl.navy.mil>
> Date: Wed, 1 May 2002 09:44:17 -0400
> Subject: RE: [info-performer] Perfly lockup on Dual PIII 2.2 GHz Processor
>
> We have a similar situation using a Dell dual P4 Xeon 2.2Ghz. It came
> witha stock Quadro II card. Our first attempt to solve the problem
> was to remove the Quadro card and install a GeForce 3 card (tried and
> true). Machine still locked at "OpenGL Performer" screen.
>
> Next we disabled the second processor in the computer's bios, loaded
> the single processor Linux kernel and NVidia drivers. It seems to run
> fine.
>
> We installed a Wildcat 5110 graphics card with XIGraphics drivers and
> re-instated the second processor. Machine still locked at "OpenGL
> Performer" screen.
>
> Currently, we are running on a single processor and the
> machine/Performer work fine.
>
> This is obviously NOT an optimal solution, but it allows us continue
> working until a more permanent fix is found.
>
> -douglas
>
> ___________________________________________
> Douglas B Maxwell, MSME
> US Naval Research Laboratory, Code 5580
> 4555 Overlook Ave. SW
> Washington, DC 20375-5337
> http://www.ait.nrl.navy.mil/vrlab
> http://ait.nrl.navy.mil/people/dmaxwell/
> Office: 202-767-3901
This archive was generated by hypermail 2b29 : Thu May 02 2002 - 14:32:44 PDT