[ltp] X22 GL perfomance? [SOLVED!]

Richard Neill linux-thinkpad@linux-thinkpad.org
Sun, 04 Jun 2006 20:19:50 +0100


Charles E "Rick" Taylor IV wrote:
> On Sun, 2006-06-04 at 18:50 +0100, Richard Neill wrote:
> 
> 
>>I tried driconf, with the following results:
> 
> 
>>1)Enabling HyperZ provides a huge boost to performance: glxgears jumps 
>>from  400fps to 600 fps!
> 
> 
> That goes along with what I see here.
> 
> 
>>2)Setting
>>     "method to limit rendering latency" =
>>     "busy waiting for the graphics hardware"
>>makes no difference. It doesn't affect glxgears performance, and it 
>>doesn't prevent glxgears + celestia + wait 10 seconds from killing the 
>>system.
> 
> 
> Oh well ... I guess it couldn't have been *that* easy.  I do have a few
> other things enabled/disabled on my X31.  I;m going to try to see how
> each of these affects stability on the X22.
> 
> (from the Device section, xorg 6.8.2)
> 
>         Option          "AGPMode" "4"
>         Option          "AGPFastWrite" "false" 
>         Option          "SWcursor" "true"
>         Option          "EnablePageFlip" "true"
>         Option          "EnableDepthMoves" "false"
>         Option          "RenderAccel" "true"
>         Option          "DynamicClocks" "false"
>         Option          "XAANoOffscreenPixmaps" "true"
> 


No such luck... Tried exactly that, and celestia + glxgears = near 
instant kill.  I think that, for now, the solution is:

    rpm -e celestia

If I recall from earlier, the "busyspheres" hack from xscreensaver 
would also cause a similar crash.  The other GL hacks run just fine.


Richard