[arch-general] Archive xorg-server 1.4 on Arch Server

pyther pyther at pyther.net
Sun Nov 16 15:00:29 EST 2008


On Sun, 16 Nov 2008 20:51:07 +0100, Jan de Groot <jan at jgc.homeip.net>
wrote:
> On Sun, 2008-11-16 at 13:55 -0500, pyther wrote:
>> I have updated to Xorg-server 1.5 from testing. However I get
>> extremely low
>> fps (60fps) when running glx-gears. The error I get in the terminal is
>> "Failed to initialize TTM buffer manager.  Falling back to classic."
> 
> That's not a bug, it's a feature. The 60fps you're getting is Vsync.
> Nothing wrong. The message you get is a warning. The DRI driver in
> intel-dri 7.2 has TTM support, but as X and kernel don't have support
> for it as it will never get integrated, the DRI driver will fallback to
> the old rendering method as in intel-dri 7.0.
> 
> There's nothing buggy here and xorg-server 1.5 will go to extra without
> keeping 1.4 around.
> 

I'm a bit confused. Can you explain to me about this Vsync thing?

When running xorg-server 1.4 I was able to get ~650fps. I have not changed
my xorg.conf since switching to xorg-server 1.5 where I get a max of 60fps.


>From the gentoo bug report: http://bugs.gentoo.org/show_bug.cgi?id=237468

"When running programs from the console in xorg-server 1.5, I get the
warning
"Failed to initialize TTM buffer manager. Falling back to classic."

glxgears performance has dropped by around 90% and compiz runs much slower.

There are a variety of window placement issues that I believe are related. 
I
have an Intel 965, using xf86-video-i810-2.4.2-r1 and mesa-7.1."

There seems to be no mention of "vsync" anywhere on the page and many
people have this issue.

I would be more than willing to play with the "vsync" to see if this is an
issue or not, but I am not sure where to start. If you can tell me where
and what I should modify I would appreciate it.



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