[ANNOUNCE] xf86-video-intel 2.6.2

[Jacek Luczak]

Jacek Luczak pisze:
> Eric Anholt pisze:
>> On Wed, 2009-02-25 at 19:13 +0100, Brice Goglin wrote:
>>> Eric Anholt wrote:
>>>> On Wed, 2009-02-25 at 14:10 +0100, Jacek Luczak wrote:
>>>>> this release is totally unusable while running in UXA. System eats lot of
>>>>> memory, including swapping. Is this that, reported earlier, ,,memory leak''? As
>>>>> a result X are really slow and lot of lockups occur (everything freeze for a few
>>>>> seconds). At the end I can't even switch to text console, but system reacts on
>>>>> power button and it goes down successfully. With EXA there's no such issue:
>>>>> total system memory usage around 40%, no lockups.
>>>>>
>>>>> If it's not know issue I will try to bisect it down.
>>>>>
>>>>> -Jacek
>>>>>
>>>>> ------------------
>>>>> Details:
>>>>> 	1. X.Org X Server 1.5.99.903 (1.6.0 RC 3)
>>>>> 	2. Linux Kernel 2.6.29-rc6
>>>> Can you give me exact steps to reproduce this leak?
>>> Same problem here with libdrm 2.4.5, intel 2.6.2, Xserver 1.6-rc2,
>>> Mesa 7.3 on
>>> Intel Corporation Mobile 945GM/GMS, 943/940GML Express Integrated
>>> Graphics Controller [8086:27a2] (rev 03)
>>>
>>> Nothing specific needed to reproduce the problem, just use X :)
>>> As soon as I start a big application such as firefox ou thunderbird,
>>> my 1GB RAM is entirely used after a couple seconds and the system
>>> becomes verrrry slow.
>>>
>>> Only downgrade intel to 2.6.1 => 200MB used, no problem.
>> I think the problem here was the DRI2 tiling fix, which was great for
>> the 915-class 3D performance regression but bad for 915-class 2D.  I've
>> pushed a fix to master that should help.  If it does, I'll try to get a
>> 2.6.3 out soon.
>>
>> commit 5bfd73cd31ba197a62f549cdbad1a1270b571027
>> Author: Eric Anholt <eric at anholt.net>
>> Date:   Fri Feb 27 19:09:49 2009 -0800
>>
>>     Only allocate pixmaps aligned for tiling when requested by DRI2 GetBuffers.
>>     
>>     This saves massive quantities of memory on pre-965 since the DRI2 tiling
>>     enable caused the minimum size of any pixmap to be 1MB.
>>
> 
> This fixes memory leak, but ... another problem occurs. Just launch glxgears (in
> UXA) and leave it for a few minutes. Glxgears stops (I mean gears stops:D) and
> screen is broken. I will try to grab screen.
> 
> -Jacek
> 

I've got more info. As I've wrote, screen locks and ugly stuff shows up [1].
I was trying to grab screen with XV, as a result properly looking screen was
grabbed (I mean without those strange artifacts). When I'm switching to text
mode (with VESA fb) and back to X screen is ,,refreshed'' and gears are spinning
 (all values which were not displayed previously are now visible) and no
artifacts on the screen. When I leave it for a while gears stops again.

This issue exists in UXA (btw: glxgears shows ~400FPS) and not in EXA (glxgears
shows 56FPS and one can see ,,frame-by-frame'' display effect).

My hardware is:
VGA compatible controller: Intel Corporation Mobile 945GM/GMS, 943/940GML
Express Integrated Graphics Controller (rev 03)

Kernel: vanilla Linux Kernel 2.6.29-rc6

Xorg: xorg-server 1.6 with all latest libs, etc. installed.

-Jacek

----------------
	[1] Screen: http://pin.if.uz.zgora.pl/~difrost/download/02032009.jpg