Screen contamination

[gene heskett]

On Saturday, April 23, 2011 09:05:43 PM dark_mail at gmx.net did opine:

> Am 23.04.2011 17:46, schrieb gene heskett:
> > On Saturday, April 23, 2011 11:44:20 AM gene heskett did opine:
> >>>> I wonder if there is a different name for it when using the nvidia
> >>>> driver?
> >>>> 
> >>>> Thanks.
> >>> 
> >>> I did some digging in the xorg.conf options list and found this:
> > I don't have those docs unforch.
> 
> You can find just about any manpages and docs online.
> In this particular case a bit of googling got me this page:
> http://ru.download.nvidia.com/solaris/1.0-9639/README/appendix-d.html
> (It's for Solaris, but the options shouldn't be too different.)
> 
> >>> Option "NoFlip" "boolean"
> >> 
> >> I just put this line in the Device section of xorg.conf, and will
> >> reboot to level 3 so I can play with startx.
> >> 
> >>> The description matches what EnablePageFlip does, except it's
> >>> reverted, which means setting "boolean" to "true" should turn off
> >>> page flipping. See if that makes a difference.
> >> 
> >> That I will, and report.  Thanks.
> > 
> > And I can report that the option did not cause any errors in the
> > Xorg.0.log, and that the problem would appear to have been eliminated.
> > 
> > Thank you very much!
> 
> Well, unfortunately this just made the symptoms go away, but didn't
> tackle the real problem.
> If you know how to patch files and compile your own X-server, you could
> try and apply the patch linked in the bug report I mentioned in an
> earlier post, which is
> https://bugs.freedesktop.org/attachment.cgi?id=44749

This shows me the patch, but I don't see a place to click to add any 
comments.  Perhaps you can?
 
> If those two bugs are related, the patched X server should work with
> page flipping active and would confirm that this issue is not isolated
> to the radeon driver but also is occuring on the nvidia side.
> 
I am not too sure what this Page Flipping does, but one other thing stands 
out, videos seem to play quite a bit smoother now.

> Regardless, I think you should attach a comment to the earlier bug
> report, so folks know this is possibly not limited to ATI cards.
> So long

I'll see if I can get perms to add a comment to that effect.  But when I 
went to that link, its the patch only, no place to add a comment.

Again, many thanks.

-- 
Cheers, Gene
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
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