Bug#421396: xserver-xorg-core: Performance leak

[Julien Cristau <jcristau@debian.org>]

On Sat, Apr 28, 2007 at 19:00:12 +0200, Mathias Brodala wrote:

> Package: xserver-xorg-core
> Version: 2:1.3.0.0.dfsg-3
> Severity: important
> 
> Since the upgrade from version 1.1 to version 1.3 of xserver-xorg-core I get a
> huge performance leak here. Switching tabs in Opera, for example, is
> unbelievable slow; even scrolling within vim is slow. So pretty much everything
> which changes contents of the screen has become slow. Downgrading to version 1.1
> gave me back the normal speed.
> 
> Due to selective upgrading I can pretty much rule out problems in other
> packages. Please ask if you need more info and tell me how to get it.
> 
> Section "Device"
> 	Identifier	"Radeon9600"
> 	Driver		"radeon"
> 	BusID		"PCI:1:0:0"
> 	Option		"AGPMode"		"8"
> #	Option		"AGPFastWrite"		"on" # Ouch! Kills X
> 	# Some tuning
> 	Option		"RenderAccel"		"on"
> 	Option		"AccelMethod"		"EXA"
> #	Option		"FBTexPercent"		"0"
> EndSection

Hi,

is performance better if you comment out the "AccelMethod" option?

Cheers,
Julien