synaptics lockups (was Re: radeon lockups ...)

2003-09-02 Thread Warren Turkal
Warren Turkal wrote:

 Michel Dänzer wrote:
 In that case it can hardly be an X problem. Sounds rather like the
 kernel (anything interesting in its output? Does the same thing happen
 with 2.4 kernels?) or hardware.
 
 I am testing 4.2.1 at this point to see if I come up with the same issues
 as with 4.3.0.
 
 Warren Turkal

I came up with the same issues as with 4.3. It turns out that I was running
a not-the-latest version of the synaptics event driver for XFree86. I
looked in the changelog of the newest one, and it claims to have a work
around for a bug in XFree86 that could cause lockups. Does this bug still
exist?

Here is link to the driver:
http://w1.894.telia.com/~u89404340/touchpad/index.html

I guess my personal suspicions that it was only locking while I was using
the touchpad could have had some merit. I am sorry I did not mention that
earlier. Is the synaptics driver to be included in XFree86 anytime soon
since it is required with 2.6 kernels on computers with synaptics
touchpads? You cannot use a regular ps2 mouse driver without lots of
contortions (ie kernel options).

Warren Turkal
-- 
Treasurer, GOLUM, Inc.
http://www.golum.org

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Re: synaptics lockups (was Re: radeon lockups ...)

2003-09-02 Thread Mike A. Harris
On Mon, 1 Sep 2003, Warren Turkal wrote:

 In that case it can hardly be an X problem. Sounds rather like the
 kernel (anything interesting in its output? Does the same thing happen
 with 2.4 kernels?) or hardware.
 
 I am testing 4.2.1 at this point to see if I come up with the same issues
 as with 4.3.0.
 
 Warren Turkal

I came up with the same issues as with 4.3. It turns out that I was running
a not-the-latest version of the synaptics event driver for XFree86. I
looked in the changelog of the newest one, and it claims to have a work
around for a bug in XFree86 that could cause lockups. Does this bug still
exist?

Here is link to the driver:
http://w1.894.telia.com/~u89404340/touchpad/index.html

I guess my personal suspicions that it was only locking while I was using
the touchpad could have had some merit. I am sorry I did not mention that
earlier. Is the synaptics driver to be included in XFree86 anytime soon
since it is required with 2.6 kernels on computers with synaptics
touchpads? You cannot use a regular ps2 mouse driver without lots of
contortions (ie kernel options).

It's GPL licensed unfortunately.  Only MIT licensed code is 
accepted into XFree86, so this driver will never be included.  
That means once kernel 2.6 is standard, the majority of laptop 
users with synaptics touchpads will have to rely on their OS 
distribution to provide the GPL driver, or will have to compile 
it themselves.

The only other option would be for someone to write a brand new 
driver for synaptics and license it as MIT, without looking at 
the GPL driver's source code.  It's possible to do a clean room 
implementation, but I'm not sure if anyone would really want to 
bother when there's a working driver already.


-- 
Mike A. Harris

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Re: synaptics lockups (was Re: radeon lockups ...)

2003-09-02 Thread Daniel Stone
On Tue, Sep 02, 2003 at 02:04:00AM -0400, Mike A. Harris wrote:
 It's GPL licensed unfortunately.  Only MIT licensed code is 
 accepted into XFree86, so this driver will never be included.  
 That means once kernel 2.6 is standard, the majority of laptop 
 users with synaptics touchpads will have to rely on their OS 
 distribution to provide the GPL driver, or will have to compile 
 it themselves.
 
 The only other option would be for someone to write a brand new 
 driver for synaptics and license it as MIT, without looking at 
 the GPL driver's source code.  It's possible to do a clean room 
 implementation, but I'm not sure if anyone would really want to 
 bother when there's a working driver already.

Well, couldn't the upstream author just relicense it?

-- 
Daniel Stone  [EMAIL PROTECTED]
http://www.debian.org - http://www.kde.org - http://www.freedesktop.org
Configurability is always the best choice when it's pretty simple to implement
  -- Havoc Pennington, gnome-list


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Re: synaptics lockups (was Re: radeon lockups ...)

2003-09-02 Thread Mike A. Harris
On Tue, 2 Sep 2003, Daniel Stone wrote:

Date: Tue, 2 Sep 2003 20:30:58 +1000
From: Daniel Stone [EMAIL PROTECTED]
To: Mike A. Harris [EMAIL PROTECTED]
Cc: [EMAIL PROTECTED]
Content-Type: multipart/signed; micalg=pgp-sha1;
   protocol=application/pgp-signature; boundary=qjNfmADvan18RZcF
Subject: Re: synaptics lockups (was Re: radeon lockups ...)

On Tue, Sep 02, 2003 at 02:04:00AM -0400, Mike A. Harris wrote:
 It's GPL licensed unfortunately.  Only MIT licensed code is 
 accepted into XFree86, so this driver will never be included.  
 That means once kernel 2.6 is standard, the majority of laptop 
 users with synaptics touchpads will have to rely on their OS 
 distribution to provide the GPL driver, or will have to compile 
 it themselves.
 
 The only other option would be for someone to write a brand new 
 driver for synaptics and license it as MIT, without looking at 
 the GPL driver's source code.  It's possible to do a clean room 
 implementation, but I'm not sure if anyone would really want to 
 bother when there's a working driver already.

Well, couldn't the upstream author just relicense it?

That depends on wether or not the code is original code, or if it 
is a derivative of any other GPL sources.  It's possible 
theoretically, but dependant on the history of the code, and also 
the author(s) wishes.


-- 
Mike A. Harris

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Re: synaptics lockups (was Re: radeon lockups ...)

2003-09-02 Thread Mike A. Harris
On Tue, 2 Sep 2003, Daniel Stone wrote:

  The only other option would be for someone to write a brand new 
  driver for synaptics and license it as MIT, without looking at 
  the GPL driver's source code.  It's possible to do a clean room 
  implementation, but I'm not sure if anyone would really want to 
  bother when there's a working driver already.
 
 Well, couldn't the upstream author just relicense it?
 
 That depends on wether or not the code is original code, or if it 
 is a derivative of any other GPL sources.  It's possible 
 theoretically, but dependant on the history of the code, and also 
 the author(s) wishes.

That was kind of implicit.

To you perhaps, but not to everyone out there.  Many people think 
you can just relicense code on a whim if you're the author, 
regardless of wether your work contains GPL'd bits from other 
things or not.


-- 
Mike A. Harris

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Re: synaptics lockups (was Re: radeon lockups ...)

2003-09-02 Thread Daniel Stone
On Tue, Sep 02, 2003 at 07:19:38AM -0400, Mike A. Harris wrote:
 On Tue, 2 Sep 2003, Daniel Stone wrote:
 On Tue, Sep 02, 2003 at 02:04:00AM -0400, Mike A. Harris wrote:
  It's GPL licensed unfortunately.  Only MIT licensed code is 
  accepted into XFree86, so this driver will never be included.  
  That means once kernel 2.6 is standard, the majority of laptop 
  users with synaptics touchpads will have to rely on their OS 
  distribution to provide the GPL driver, or will have to compile 
  it themselves.
  
  The only other option would be for someone to write a brand new 
  driver for synaptics and license it as MIT, without looking at 
  the GPL driver's source code.  It's possible to do a clean room 
  implementation, but I'm not sure if anyone would really want to 
  bother when there's a working driver already.
 
 Well, couldn't the upstream author just relicense it?
 
 That depends on wether or not the code is original code, or if it 
 is a derivative of any other GPL sources.  It's possible 
 theoretically, but dependant on the history of the code, and also 
 the author(s) wishes.

That was kind of implicit.

-- 
Daniel Stone  [EMAIL PROTECTED]
http://www.debian.org - http://www.kde.org - http://www.freedesktop.org
Configurability is always the best choice when it's pretty simple to implement
  -- Havoc Pennington, gnome-list


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