Re: [ubuntu-x] XServer for Karmic

2009-08-06 Thread Christopher James Halse Rogers
On Wed, 2009-08-05 at 15:58 -0700, Bryce Harrington wrote:
...
> 
> The one other major X.org component left to be merged in is the new -ati
> stack, which includes updates to mesa and libdrm.  Sarvatt has been
> tracking this upstream work in his packages on xorg-edgers, which I've
> taken and massaged into a standalone PPA here:
> 
>   https://edge.launchpad.net/~ubuntu-x-swat/+archive/kms
> 
> I'll put out a more general announcement about this once I've had a
> chance to test the PPA myself on a few machines.  Meanwhile, if you give
> it a go, email me your findings.

If we're going to merge in a newer libdrm, could we pull in the
libdrm-nouveau drm API bump to 0.0.15 (ie: at least this commit[1]).
The kernel interface changed (again), so we'd need this to get a more
recent nouveau snapshot in Karmic - which we probably want, as KMS is
getting the bugs shaken out now.

[1]
http://cgit.freedesktop.org/mesa/drm/commit/?id=001331f4f1f094ef02497aa618ae5eeb2febedfb



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Re: [ubuntu-x] XServer for Karmic

2009-08-06 Thread Bryce Harrington
On Thu, Aug 06, 2009 at 11:35:54AM +0200, Pavel Rojtberg wrote:
>  > I'll put out a more general announcement about this once I've had a
>  > chance to test the PPA myself on a few machines.  Meanwhile, if you give
>  > it a go, email me your findings.
> I have been using the edgers PPA for a while now and while at fist there 
> were quite a few regressions regarding 3D performance and suspend/ 
> resume, they are all cleared up now - at least when working without KMS.
> With KMS I still have performance regressions, but I have not re-tested 
> this in a while, so probably they are already gone as well.

Yeah I heard about the performance issues, so we'll need to verify and
track that.  If that's the only issue I think we could still proceed
with merging it into Karmic, unless the performance regression were
particularly severe.

> You probably should also say, that without the new -ati stack, there 
> will be no KMS option for -ati in karmic.
> Furthermore it seems like the new -ati stack will get R600+ 3D support 
> soon(seems to work already in some branches), so that might be an 
> adavantage...

Okay, well I'm running the new -ati stack (but on -intel) and it seems
fine.  We're putting it on a usb stick and handing it around to some of
the engineers here at the karmic sprint to test.  Assuming that goes
well, I'll upload these bits and pieces for Alpha-4.

Bryce

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Re: [ubuntu-x] XServer for Karmic

2009-08-06 Thread Pavel Rojtberg
On 06.08.2009 00:58, Bryce Harrington wrote:
 > The one other major X.org component left to be merged in is the new -ati
 > stack, which includes updates to mesa and libdrm.  Sarvatt has been
 > tracking this upstream work in his packages on xorg-edgers, which I've
 > taken and massaged into a standalone PPA here:
 >
 >https://edge.launchpad.net/~ubuntu-x-swat/+archive/kms
 >
 > I'll put out a more general announcement about this once I've had a
 > chance to test the PPA myself on a few machines.  Meanwhile, if you give
 > it a go, email me your findings.
I have been using the edgers PPA for a while now and while at fist there 
were quite a few regressions regarding 3D performance and suspend/ 
resume, they are all cleared up now - at least when working without KMS.
With KMS I still have performance regressions, but I have not re-tested 
this in a while, so probably they are already gone as well.

You probably should also say, that without the new -ati stack, there 
will be no KMS option for -ati in karmic.
Furthermore it seems like the new -ati stack will get R600+ 3D support 
soon(seems to work already in some branches), so that might be an 
adavantage...

Greets

Pavel

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Re: [ubuntu-x] XServer for Karmic

2009-08-06 Thread Bryce Harrington
On Thu, Aug 06, 2009 at 10:22:24AM +0200, Miguel Mart??nez wrote:
> Hello everybody,
> 
> On Wed, 5 Aug 2009 15:58:10 -0700 Bryce Harrington wrote:
> > The one other major X.org component left to be merged in is the new
> > -ati stack, which includes updates to mesa and libdrm.  Sarvatt has
> > been tracking this upstream work in his packages on xorg-edgers,
> > which I've taken and massaged into a standalone PPA here:
> 
> Is that stack the one with radeon-rewrite?

Yes

> Although from what I've read
> things seem to march along nicely, I guess quite a few regressions may
> be present in that branch right now. There was a phoronix test too not
> long ago that seemed to indicate that, although things were progressing
> well, there were some regressions (expected).

Right, thus the need for a little further testing before this goes into
Karmic.
 
> Is it possible to include, let's say, xserver-xorg-video-radeon and
> xserver-xorg-video-radeon-rewrite? I suppose the answer is no due to
> the other changes in mesa and drm

We wouldn't want to be supporting two variants of -ati in Karmic.  It'd
force end users to be making decisions they shouldn't have to be making.
If we can't be reasonably confident that radeon-rewrite is ready, we
shouldn't ship it.

> How worthwile is it to put the radeon rewrite stuff? Would it be in
> order to fix regressions with more margin looking forward to the next
> LTS?

Yes, that's correct.

Bryce

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Re: [ubuntu-x] XServer for Karmic

2009-08-06 Thread Miguel Martínez
Hello everybody,

On Wed, 5 Aug 2009 15:58:10 -0700 Bryce Harrington wrote:
> The one other major X.org component left to be merged in is the new
> -ati stack, which includes updates to mesa and libdrm.  Sarvatt has
> been tracking this upstream work in his packages on xorg-edgers,
> which I've taken and massaged into a standalone PPA here:

Is that stack the one with radeon-rewrite? Although from what I've read
things seem to march along nicely, I guess quite a few regressions may
be present in that branch right now. There was a phoronix test too not
long ago that seemed to indicate that, although things were progressing
well, there were some regressions (expected). So I got a couple of
questions:

Is it possible to include, let's say, xserver-xorg-video-radeon and
xserver-xorg-video-radeon-rewrite? I suppose the answer is no due to
the other changes in mesa and drm

How worthwile is it to put the radeon rewrite stuff? Would it be in
order to fix regressions with more margin looking forward to the next
LTS?

Regards,

Miguel



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 we exchange these apples then you and I will
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 ideas, then each of us will have two ideas."

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[ubuntu-x] XServer for Karmic

2009-08-05 Thread Bryce Harrington
Hi all,

Quick note that after discussing this with a bunch of people, the
decision was finalized today that due to the lateness of xserver 1.7 we
will instead be targetting 1.6.3 in Karmic.  Timo has done the merge for
this already today.  Going forward we anticipate pulling patches in from
the 1.7 tree as makes most sense.

The -intel driver seems to be super stable with xserver 1.6.3, and
nearly everyone feels it is performing better (Phoronix posted a few
test results indicating otherwise, however they do not seem consistent
with other people's findings and may be a corner case; I've filed bugs
upstream about these regressions anyway, and Intel is investigating.)

The one other major X.org component left to be merged in is the new -ati
stack, which includes updates to mesa and libdrm.  Sarvatt has been
tracking this upstream work in his packages on xorg-edgers, which I've
taken and massaged into a standalone PPA here:

  https://edge.launchpad.net/~ubuntu-x-swat/+archive/kms

I'll put out a more general announcement about this once I've had a
chance to test the PPA myself on a few machines.  Meanwhile, if you give
it a go, email me your findings.

Bryce

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