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Bug#498673: xserver-xorg-video-intel: 3D acceleration is very slow in absence of heavy load on the CPU



Yes, the no. of interrupts for IRQ16 (Graphics) do increase in /proc/interrupts after running 'glxgears'.

Subhashis

On Fri, 19 Sep 2008, Michel D?nzer wrote:

On Fri, 2008-09-19 at 01:22 +0530, Subhashis Roy wrote:

I tried the 'libgl1-mesa-dri' version from experimental. This required me
to change several other X related packages to meet dependencies in
experimental.

However, the problem remains as before (~15 Frame/sec in full screen
mode).

3-D graphics runs very slow in absence of other continuous load on the CPU
(naively speaking, it appears that the softwares displaying are not
communicating the need of using CPU cycles to the hardware with the DRI
installed).

When you run a 3D app, does the number of interrupts associated with
your graphics card (IRQ 16 according to the log file) increase
in /proc/interrupts?


--
Earthling Michel D?nzer           |          http://tungstengraphics.com
Libre software enthusiast         |          Debian, X and DRI developer




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