Re: FW: A request from the Hackintosh community

2011-03-29 Thread olafBuddenhagen
Hi,

On Fri, Mar 25, 2011 at 01:32:48PM -0300, Felipe Ribba wrote:

 I'm forwarding this mail trough my Gmail account in case you miss the
 previous one (I didn't get any replies so far)

We did get the original one... But I'm sorry to tell you that this is
not the kind of request that is likely to get replies on this list.

While people might answer specific technical questions, you can't expect
anyone to actively help with something they are not personally
interested in. And improving driver support for a proprietary platform
is certainly not something people here are interested in.

(Quite frankly, it's beyond me why *anyone* would want to spend his time
on such things...)

-antrik-
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Re: Where input (hotplugging) methods might go - highly speculative

2010-08-27 Thread olafBuddenhagen
Hi,

On Fri, Aug 27, 2010 at 12:31:16PM +0200, Wolfgang Draxinger wrote:

 [...] Such a Console Set combines a number of connected input and
 output devices

Sounds like focus groups in KGI...

Too bad the KGI project killed itself with a stupid let's reinvent half
the kernel approach :-) There were serveral good ideas in there, which
finally find their way into Linux more than a decade later through other
projects.

-antrik-
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Re: [ANNOUNCE] xorg-server 1.8.1

2010-05-13 Thread olafBuddenhagen
Hi,

On Wed, May 12, 2010 at 07:56:35AM +1000, Peter Hutterer wrote:

 The first stable release of the 1.8 series is now available. Only two
 changes over RC2 (Julien's EXTRA_DIST patch and Adam's VNC patch), so
 you get the full changelog to 1.8.0 to make this email look more
 interesting.

Hehe :-)

This is generally reasonable for final releases though -- I'd suggest
making it an official policy... So far this has been handled rather
inconsistently.

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Re: Google Summer of Code 2010

2010-03-18 Thread olafBuddenhagen
Hi,

On Fri, Mar 12, 2010 at 01:22:06PM -0800, Alan Coopersmith wrote:

 [...] since we always end up with more proposals than Google has
 funding to cover.

Mmm, that sounds like you might not be aware of this: the number of
slots assigned to each organisation is first an formost a function of
the number of students who applied. So it is *by design* that only the
top 20% or so get in.

-antrik-
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Re: xinput: Do I want xorg.conf? Do I want hal? Do I want udev?

2009-12-02 Thread olafBuddenhagen
Hi,

On Fri, Nov 27, 2009 at 09:55:22AM +1000, Peter Hutterer wrote:

 If you don't want a session manager or you prefer a different desktop
 environment - you're on your own.

Let me remind you that GNOME is not an operating system. It is just a
frontend.

It is nice if it provides a nice shiny tool to configure stuff; but it
has no business *storing*, and *applying* such settings, which don't
really have anything to do with GNOME at all. These should be pushed
down to some generic infrastructure, which is not desktop-specific, and
in fact not X-specific at all.

Unfortunately, it appears that such a generic session-aware hotplug
infrastructure is yet to be invented...

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local junk and .gitignore (was: [ANNOUNCE] xeyes 1.0.991)

2009-10-31 Thread olafBuddenhagen
Hi,

On Tue, Oct 06, 2009 at 03:45:45PM -0400, James Cloos wrote:

   Add *~ to .gitignore to skip patch/emacs droppings

As such things are inherently local and specific to your own workflow,
IMHO they shouldn't go in the .gitignore in the repository.

Luckily -- unlike CVS -- Git offers another way to ignore stuff locally:
you can specify extra gitignore files in the configuration.

You can even do this globally for all your repositories. For that, add
to your ~/.gitconfig:

   [core]
excludesfile = /home/login/.site.gitignore

and then create ~/.site.gitignore (or whatever name you prefer) with *~
and other local stuff you tend to have in your working trees.

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Re: [PATCH 0/4] Cursor's update inside kernel only

2009-01-30 Thread olafBuddenhagen
Hi,

On Sun, Jan 25, 2009 at 12:28:37PM +0200, Pekka Paalanen wrote:

 Consider a case where user space is stalled due to excessive load, and
 let's think about usability. Much of usability comes from feedback
 given to a user.
 
 If cursor updates are done completely inside the kernel, the mouse
 will continue to work without any hiccups under severe load (this is
 what you are aiming for, right?). The user clicks a button, and
 nothing happens in the GUI, since user space is stalled. The user
 clicks again. And again. Then clicks another button. It takes several
 seconds for the user to realize, that the clicks are not getting
 processed. What's worse, all the clicks are probably queued now and
 will be processed later, possibly leading to unexpected results.
 
 If cursor updates had to visit user space, the mouse cursor would
 stall and jump. This is bad behaviour in itself, but it is also an
 immediate feedback to the user, that the system is not responsive. The
 user cannot even reach a button to click it, before he sees that
 something is going on. In a bad situation, I think this is the less
 evil choice.

I totally agree that when the GUI is totally stalled, the curser better
be stalled as well... But this is actually a rather untypical case.

Much more often the cursor just becomes somewhat jerky under load. The
GUI becomes sluggish, but still quite usable. The jerky cursor however
makes it much harder to work with it -- a smooth cursor indeed improves
usability in this case.

On top of that, there is an important psychological effect: With a jerky
cursor, the system *feels* much slower than it actually is. Users think,
This X stuff is reall crap: OS X/Windows/whatever is so much
smoother... Sad but true.

So ideally, the cursor should remain smooth under some load, but stall
when the system is really busy... Any suggestions how to achieve that?
:-)

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Re: [PATCH 0/4] Cursor's update inside kernel only

2009-01-24 Thread olafBuddenhagen
Hi,

On Mon, Jan 05, 2009 at 06:55:50PM -0200, Tiago Vignatti wrote:

 Under KMS, we can build a feature to update the cursor directly to
 screen without the continuous intervention of the userspace
 application (X server, wayland, etc). It's a fastpath for DRM based
 cursors obtained by short-circuit the kernel input layer and DRM
 module. This would solve all cursor's latency issues that we have in
 our current model [0].

IHMO punting and pushing this into the kernel in totally the wrong
approach. Following this method, you will end up running *everything* in
kernel space. (Hi, DOS!)

Rather, you should try to figure out *why* the update in user space has
latencies not present when doing it in kernel space. Is it because all
kernel memory is pinned? (Not true on all systems, BTW.) Is it because
event delivery between kernel space and user space triggers bad CPU
scheduling? Is it because the handling in user space is not properly
prioritized?

Once you know the real caus(es), you can go about fixing them --
adapting the design of the user space part, and possibly creating now
kernel interfaces is necessary.

Ultimately, the kernel/user space distinction is just an address space
boundary. There is no fundamental reason why that should cause any
latencies.

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Re: Draft: License policy for contributors

2008-12-04 Thread olafBuddenhagen
Hi,

On Wed, Dec 03, 2008 at 06:28:17AM +1100, Daniel Stone wrote:

 GFDL is out as DFSG-incompatible.

I thought GFDL is fine DFSG-wise as long as there are no invariant
sections/cover texts?...

(Disclaimer: Not advocating GFDL use here; only pointing out.)

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Re: modular: Changes to 'master'

2008-10-24 Thread olafBuddenhagen
Hi,

On Tue, Oct 21, 2008 at 09:51:45AM -0700, Keith Packard wrote:
 On Tue, 2008-10-21 at 18:15 +0200, Luc Verhaegen wrote:

  Is there a single technical reason why shipping both is a problem?
 
 For the same reason the kernel avoids shipping multiple drivers for
 the same hardware -- we want a unique PCI-ID - driver mapping so that
 all X.org downstream users share the same code base for their
 hardware.
 
 Forking driver development is a great way to explore new ideas and
 demonstrate new technologies, but in the long-term, we really want the
 best ideas to be integrated into a single driver for each device.

Well, there might be some merit in only having a single driver for each
piece of hardware (though I'm not entirely convinced of that) -- but on
what grounds do you decide which one gets the preference? Dropping
radeonhd looks like a totally arbitrary decision to me. After all,
radeonhd has been added before radeon gained newer chipset support, and
I really fail to see why radeon-now-with-r500+ should be treated as the
official driver, and radeonhd as some alien...

-antrik-
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Re: xf86-video-radeonhd 1.2.2 Release

2008-10-14 Thread olafBuddenhagen
Hi,

On Mon, Oct 13, 2008 at 08:03:43PM +0200, Matthias Hopf wrote:

 Version 1.2.2 improvements:
 
   - Added DRI support (R5xx and RS6xx).
   - Added support for RV770, RS780, M82, M86, and M88.
   - Added XVideo support.
   - Added CP based 2D acceleration (R5xx and RS6xx).
   - Added EXA render acceleration (R5xx and RS6xx).
   - Added support for AtomBIOS based mode setting.
   - Added support for scaled modes.
   - Added RandR support for backlight control.
   - Lots of modesetting related bug fixes.

Considering the amount of non-bugfix changes, wouldn't 1.3 be actually
much more appropriate naming?...

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Re: Poll: Should Xorg change from using Ctrl+Alt+Backspace to something harder for users to press by accident?

2008-10-03 Thread olafBuddenhagen
Hi,

On Tue, Sep 23, 2008 at 01:52:53PM +0930, Peter Hutterer wrote:

 driver kbd: hardcodes Ctrl + Alt + Backspace. (IMHO that's a bug anyway)
 driver evdev: the XKB map decides what happens.

I don't know whether this is really related (I'm pretty sure I
experienced that with kbd driver as well), but the fact that zap depends
on xkb is actually quite problematic: When the xkb map is somehow
borked, the server still starts, but it's not possible to zap (nor to
switch console)... This gets really ugly when no other means to exit the
server is available :-)

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Re: Building X

2008-09-22 Thread olafBuddenhagen
Hi,

On Mon, Sep 22, 2008 at 10:56:03AM -0400, Adam Jackson wrote:

 Right then.  -br is now the default.  -retro gives you the old school
 root window and cursor behavior.

I don't understand why you don't leave the default as it was. Sureley
the only situation where it is inconvenient to have to pass options
explicitely, is when starting the server by hand for testing purposes --
and this is precisely the situation where both the weave and the cursor
are useful...

 I see a bike shed and I want to paint it black...

It's funny that you openly admit it's just a matter of taste, and yet
seem set on changing the default for no good reason...

Well, have fun dealing with all the bug reports from users wondering
where the background/cursor has gone.

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