Building latest Intel support for 945G
Cliff Lawson
cliff at amshold.com
Thu Dec 18 09:59:10 PST 2008
Hi again,
Sorry - it's been a long day and you just know you'll spot your error
about 5 seconds after pressing [send] - that was the wrong Xorg.0.log I
attached. The correct one with the real problem I'm now facing is
attached:
This one correctly reports:
X.Org X Server 1.6.99.1
Build Date: 17 December 2008 08:02:24PM
and
(==) FontPath set to:
built-ins
which is promising as the X system I built was configured for built-in
fonts. Then the first lib appears to load without problem:
(II) LoadModule: "glx"
(II) Loading /root/X/lib/xorg/modules/extensions//libglx.so
(II) Module glx: vendor="X.Org Foundation"
compiled for 1.6.99.1, module version = 1.0.0
ABI class: X.Org Server Extension, version 2.0
But then the first sign of trouble is:
(II) LoadModule: "dri"
(II) Loading /root/X/lib/xorg/modules/extensions//libdri.so
dlopen: /root/X/lib/xorg/modules/extensions//libdri.so: undefined
symbol: xf86LoadKernelModule
(EE) Failed to load /root/X/lib/xorg/modules/extensions//libdri.so
(II) UnloadModule: "dri"
(EE) Failed to load module "dri" (loader failed, 7)
So the problem appears to be the fact that this is trying to link to
xf86LoadKernelModule() that does not exist. So which bit of the jigsaw
is it that should be providing this and which I must, therefore, have
not got up to date yet?
Cliff Lawson
________________________________
From: xorg-bounces at lists.freedesktop.org
[mailto:xorg-bounces at lists.freedesktop.org] On Behalf Of Cliff Lawson
Sent: 18 December 2008 17:31
To: xorg at lists.freedesktop.org
Subject: RE: Building latest Intel support for 945G
Hi,
Well it's taken me a while (well a week) to get to this point as I had
to learn all about using git and building the full Xorg set of code. But
in an attempt to see whether Intel 2.5.1 would help the problems I'm
seeing on a 945G based system I did the following:
1) Pulled/built the mainline 2.6.28-rc8 kernel from
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git so
I could get 2.6.28-rc8 as I believe (?) this will have the latest drm.ko
and i915.ko (or am I wrong about that?)
2) Followed the script on the end of the page:
http://wiki.x.org/wiki/Development/git
<http://wiki.x.org/wiki/Development/git> and slowly but surely fixed
any missing dependencies on my system
I did all this first on an Ubunutu 8.04 machine running in a Vmware
sandbox on a Windows machine first just to make sure that I could get
everything to build. Eventually I got it booting 2.6.28-rc8 and running
the X software stack I'd built this way. But clearly the video driver in
this is the Vmware driver - not an Intel hardware driver. So everything
worked in that environment which gave me confidence that I built
everything OK.
I then moved over to the target machine and did it all again. At the end
of this process I tried the same method to start my "private" copy of X
but, as the attached Xorg.0.log shows this ends with:
(II) intel(0): [drm] mapped front buffer at 0x20000000, handle =
0x20000000
(II) intel(0): [drm] mapped back buffer at 0x20000000, handle =
0x14000000
(II) intel(0): [drm] mapped depth buffer at 0x20000000, handle =
0x14001000
(II) intel(0): [drm] mapped classic textures at 0x2dff5000, handle =
0x2dff5000
Backtrace:
0: /usr/bin/X11/X(xf86SigHandler+0x7e) [0x80c780e]
1: [0xb8031400]
2: /usr/local/lib/xorg/modules/drivers//intel_drv.so [0xb7bcbc03]
3: /usr/local/lib/xorg/modules/drivers//intel_drv.so [0xb7bcd3be]
4: /usr/bin/X11/X(AddScreen+0x1fc) [0x8073d9c]
5: /usr/bin/X11/X(InitOutput+0x21e) [0x80a9c4e]
6: /usr/bin/X11/X(main+0x296) [0x8074526]
7: /lib/tls/i686/cmov/libc.so.6(__libc_start_main+0xe0) [0xb7db6450]
8: /usr/bin/X11/X(FontFileCompleteXLFD+0x201) [0x8073a91]
Fatal server error:
Caught signal 11. Server aborting
So can anyone offer any advice as to what I may have done wrong in the
building of all this? Do I need to use special anholt or airlied kernel
trees and if so how do I get them with git? Or is it OK to use the main
Linus Torvalds tree for 2.6.28-rc8
Is there anything further I can do to diagnose what's wrong? I'm
guessing one of the components I've got does not inter-work with the
rest but how do I check the various version numbers and identify which
is too old (or too new?)
Should it be the case if I just get a 2.6.28-rc8 kernel and also all the
git repositories listed in the script in (2) above that I should have up
to date copies of everything or are there patches or update versions I
need to pick up from elsewhere?
Cliff Lawson
________________________________
From: Mateusz Kaduk [mailto:mateusz.kaduk at gmail.com]
Sent: 12 December 2008 13:52
To: Cliff Lawson
Cc: xorg at lists.freedesktop.org
Subject: Re: Building latest Intel support for 945G
2008/12/12 Cliff Lawson <cliff at amshold.com>
So I used GIT to get a libdrm that did include the linux-source
part of the tree but when I built it the i915.ko did not build and
looking at the Makefile it would appear to be because OS_HAS_GEM was not
defined. It was a search for the solution to that which brought me to a
post in the archive of this mailing list where I realised that a simple
"export OS_HAS_GEM=1" before building was NOT the solution to use.
You dont set that. drm/linux-core is out-dated.
You get correct drm.ko and i915.ko from latest kernel or from
for-airlied branch of eric's tree.
Look at Eric's LJ http://anholt.livejournal.com/39544.html first case as
You dont need dri2.
And after clone switch to for-airlied branch which is a bit more stable.
I dont know if master xf86-intel does not need xserver 1.6 (here 1.6),
but there is also origin/xf86-video-intel-2.5-branch which should
compile fine with xserver 1.5.3 which is in debian/experiemtal packages
and it should be possible to install it on Ubuntu.
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