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Brice Goglin's Blog - Debian/ notes - Intel 2.8.0 in Sid, enforces UXA and DRI2

Jul. 21st, 2009

16:41 - Debian/ notes - Intel 2.8.0 in Sid, enforces UXA and DRI2

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The Intel driver 2.8.0 has been uploaded to unstable. The biggest changes in there is that support for DRI1, XAA and EXA has been dropped. It means that the driver now always uses UXA and DRI2 now.

KMS (Kernel Modesetting) is still optional (and the non-KMS crash from has been fixed in 2.8.0). But you might want to use a recent kernel, which means 2.6.30 or 2.6.31-rc.

There are still some problems with UXA/DRI2 on old boards such as my i865. So if you encounter any big problem, you might want to downgrade to driver 2.7.1 (some old packages are available at here) and switch away from UXA.

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Date:July 21st, 2009 16:39 (UTC)

Asus EEEPC 1000h (GMA 950) unusable

I tested it a few moments before.
It's pretty unusable to me.
KDE4.3 is flickering all the time with enabled desktop effects.

I'm using the 2.6.31 RC3 kernel.
Date:July 21st, 2009 23:34 (UTC)


So I just upgraded and hardware rendering just ceased to work, only software rendering. Any hints?
Date:July 21st, 2009 23:36 (UTC)

Re: question

Some info: linux kernel, sid 00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile 945GM/GMS, 943/940GML Express Integrated Graphics Controller [8086:27a2] (rev 03) (prog-if 00 [VGA controller]) Subsystem: Lenovo ThinkPad T60/R60 series [17aa:201a] Flags: bus master, fast devsel, latency 0, IRQ 16 Memory at ee100000 (32-bit, non-prefetchable) [size=512K] I/O ports at 1800 [size=8] Memory at d0000000 (32-bit, prefetchable) [size=256M] Memory at ee200000 (32-bit, non-prefetchable) [size=256K] Expansion ROM at [disabled] Capabilities: [90] MSI: Enable- Count=1/1 Maskable- 64bit- Capabilities: [d0] Power Management version 2 00:02.1 Display controller [0380]: Intel Corporation Mobile 945GM/GMS/GME, 943/940GML Express Integrated Graphics Controller [8086:27a6] (rev 03) Subsystem: Lenovo ThinkPad T60/R60 series [17aa:201a] Flags: fast devsel Memory at ee180000 (32-bit, non-prefetchable) [size=512K] Capabilities: [d0] Power Management version 2
Date:July 22nd, 2009 12:40 (UTC)

Re: question

commpiz works properly but not kde4 (4.2.4).
it is necessary to change the xorg file so that everything works.
good work.
Date:July 22nd, 2009 21:53 (UTC)

Re: question

It works perfectly now thanks to Brice for the help via the BTS :P.

Problem was : CONFIG_HIGHMEM64G=y in my custom kernel

Date:July 22nd, 2009 18:35 (UTC)

Broken KDE4 Kwin with desktop effects

Since the upgrade to xserver-xorg-core_1.6.1.901-3, KWin 4.2.4 or 4.2.96 with intel drivers broke the desktop effects with composite. The newest xserver-xorg-core with nvidia drivers works fine with composite under Kwin.
I tried many combinations with the latest versions of xserver-xorg-core and xserver-xorg-video-intel and the only combination that works with KWin and composite are xserver-xorg-core and xserver-xorg-video-intel 2.7.1-2.
Date:July 22nd, 2009 18:45 (UTC)

Re: Broken KDE4 Kwin with desktop effects

xserver-xorg-core is known to be severely broken, just don't use it. You want 1.6.2-1 instead.
Date:July 23rd, 2009 08:29 (UTC)

Re: Broken KDE4 Kwin with desktop effects

Yes, I know but still with 1.6.2-1 didn't work.
Date:July 23rd, 2009 09:28 (UTC)
xserver-xorg-core 2:1.6.2-1
xserver-xorg-video-intel 2:2.8.0-1

I found that I get a useable display when I explicitly turn off
compositing in the xorg.conf:

Section "Extensions"
Option "Composite" "disable"
Date:July 27th, 2009 14:42 (UTC)
libxcomposite1 1:0.4.0-4
xserver-xorg-core 2:

Compositing now no longer needs to be disabled.
Date:August 18th, 2009 21:52 (UTC)

Dual-head display with video-intel stopped working on unstable update.

When xserver-xorg-video-intel 2:2.8.0-1 was uploaded, I finally had a decent dual-head display working with 3D acceleration and 3200x1200. KDE even worked if I disabled compositing.

It seems, however that with 2:2.8.0-2 my TMDS-1 monitor is disabled, and there is nothing that I have been able to figure out about how to enable it again.

I filed a bug report but so far no response. If anybody has a clue about how to enable TMDS-1, I'd appreciate it.

Losing half my screen real estate is no good!

If anyone knows how to get a copy of the 2:2.8.0-1 deb, that would be a nice work-around.
Date:June 24th, 2010 07:21 (UTC)

Re: Dual-head display with video-intel stopped working on unstable update.

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