[uae] Re: Pointer trails
- From: Richard Drummond <evilrich@xxxxxxxxxxxxxx>
- To: uae@xxxxxxxxxxxxx
- Date: Tue, 9 Mar 2004 11:53:26 -0500
Hi Montag
On Tuesday 09 March 2004 01:25 am, you wrote:
> Last mail of the day.
> I raised Z3 mem to 128MB and the black boxes are gone, leaving place to the
> return of the sticky pointer effect. A much better behaviour because, as I
> said, it disappear in a matter of time.
>
> I hope it will help you in understanding the nature of the problem.
I understand the symptoms - just not the cause or the remedy. ;-)
I wonder if the common factor causing this problem for you and Keith is that
you both have NVidia chipsets. Are you both using NVidia's X drivers? (And
does anybody out there experience this problem who doesn't have an NVidia
chipset and X drivers?)
Perhaps there is some caching problem with the framebuffer memory?
Do you both have MTRR enabled in your kernel? And does the NVidia X driver
enable write-combining on your gfx card's memory? (Have a look
in /proc/mttr).
Cheers,
Rich
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