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Old 05-19-2008, 11:00 PM
gene
 
Default Anyone else have a T42 /w Fedora?

Hi there.. I'm posting because Fedora is not working properly on my T42. I
can't get the dual-head feature to work. I was wondering if anyone else
out there has a T42 with Fedora? Someone suggested trying to use 'xrandr'
to get dual head to work but all that did for me was hang Gnome.

I'm hoping I can get this to work because I so much prefer Fedora for
development but running single-head makes it undoable.

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Old 05-20-2008, 09:54 AM
Olivier Renault
 
Default Anyone else have a T42 /w Fedora?

gene wrote:

Hi there.. I'm posting because Fedora is not working properly on my T42. I
can't get the dual-head feature to work. I was wondering if anyone else
out there has a T42 with Fedora? Someone suggested trying to use 'xrandr'
to get dual head to work but all that did for me was hang Gnome.

I'm hoping I can get this to work because I so much prefer Fedora for
development but running single-head makes it undoable.

xrandr should be indeed your friend. Could you may be let us know which
version of Fedora and which graphical card is inside ?


Also could you post an xrandr -q when you have got your screen plug.

Thanks,
Olivier

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Old 05-20-2008, 12:42 PM
Kai-Thorsten Hambrecht
 
Default Anyone else have a T42 /w Fedora?

out there has a T42 with Fedora? Someone suggested trying to use 'xrandr'
to get dual head to work but all that did for me was hang Gnome.


i have a T42p and an external display connected via DVI on the
Thinkpad's docking station. When X starts, both displays show the same
content (mirrored display). So i first have to switch off one of them
and then switch on again for real dual head display:


xrandr --output DVI-0 --off

xrandr --output DVI-0 --mode 1600x1200 --left-of LVDS

I also have to add "Virtual 3200 1200" in SubSection "Display" of
Section "Screen" in xorg.conf to get an 1600x1200+1600x1200 resolution.
Video card driver is "radeon"


Best regards,
Kai.



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Old 05-21-2008, 02:45 AM
gene
 
Default Anyone else have a T42 /w Fedora?

This worked perfectly! Thank you!

Ok.. Except one niggly little thing.. And I realize I'm really nitpicking
here. In my mind things are working; but I thought I would mention it in
case there is a simple solution.

When I have desktop effects enabled, there are no window controls drawn
after I add the 'Virtual 3200 1600'. If I disable the desktop effects, I
cannot enable them with the line added.

Might there be a solution to this?



On Tue, 20 May 2008 14:42:47 +0200, Kai-Thorsten Hambrecht
<lists@hambrecht.org> wrote:
>
>> out there has a T42 with Fedora? Someone suggested trying to use
> 'xrandr'
>> to get dual head to work but all that did for me was hang Gnome.
>
> i have a T42p and an external display connected via DVI on the
> Thinkpad's docking station. When X starts, both displays show the same
> content (mirrored display). So i first have to switch off one of them
> and then switch on again for real dual head display:
>
> xrandr --output DVI-0 --off
>
> xrandr --output DVI-0 --mode 1600x1200 --left-of LVDS
>
> I also have to add "Virtual 3200 1200" in SubSection "Display" of
> Section "Screen" in xorg.conf to get an 1600x1200+1600x1200 resolution.
> Video card driver is "radeon"
>
> Best regards,
> Kai.

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Old 05-21-2008, 01:06 PM
Kai-Thorsten Hambrecht
 
Default Anyone else have a T42 /w Fedora?

When I have desktop effects enabled, there are no window controls drawn
after I add the 'Virtual 3200 1600'. If I disable the desktop effects, I
cannot enable them with the line added.


same here. Right now i did not figure out how to fix this. But desktop
effects is just a "nice to have" but not a "need to have" feature for me.


Regards,
Kai.

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Old 05-22-2008, 09:36 PM
gene
 
Default Anyone else have a T42 /w Fedora?

Hi Kai.. I did alittle research just now and unfortunately this is due to a
hardware limitation. Compiz makes a texture out of the entire desktop and
apparently a single texture must fit into the video card's memory. The
maximum texture size that can fit in the radeon 7500's memory is 2048x2048,
which is alittle smaller then the virtual desktops we are working with.

I did find if you install driconf, execute it, and enable large texture
support, I can do two 1024x768 desktops with the effects enabled.

I thought I could do without the effects but I *HATE* the default task
switcher.

So I will be making do with dual 1024x768 most of the time.

On Wed, 21 May 2008 15:06:08 +0200, Kai-Thorsten Hambrecht
<lists@hambrecht.org> wrote:
>
>> When I have desktop effects enabled, there are no window controls drawn
>> after I add the 'Virtual 3200 1600'. If I disable the desktop effects,
> I
>> cannot enable them with the line added.
>
> same here. Right now i did not figure out how to fix this. But desktop
> effects is just a "nice to have" but not a "need to have" feature for me.
>
> Regards,
> Kai.

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Old 05-29-2008, 12:04 PM
"Jeremey Wise"
 
Default Anyone else have a T42 /w Fedora?

I know this is a bit late on the response but ... work :P

Dual head features of the IBM Thinkpad series T41, T42, and T43 models
do NOT work and likely never will at this rate.

I posted a kernel bug back almost two years ago and it is still ongoing.

I am moving to a T6x model soon so I PRAY that this is resolved and will
post once I find out more.

https://bugzilla.redhat.com/show_bug.cgi?id=239332



Jeremey Wise
Senior Consultant
Arrow Enterprise Computing Solutions
RHCE,MCSE,CNE,PSE,TSM


-----Original Message-----
From: fedora-laptop-list-bounces@redhat.com
[mailto:fedora-laptop-list-bounces@redhat.com] On Behalf Of gene
Sent: Monday, May 19, 2008 7:00 PM
To: fedora-laptop-list@redhat.com
Subject: Anyone else have a T42 /w Fedora?


Hi there.. I'm posting because Fedora is not working properly on my T42.
I
can't get the dual-head feature to work. I was wondering if anyone else
out there has a T42 with Fedora? Someone suggested trying to use
'xrandr'
to get dual head to work but all that did for me was hang Gnome.

I'm hoping I can get this to work because I so much prefer Fedora for
development but running single-head makes it undoable.

_______________________________________________
Fedora-laptop-list mailing list
Fedora-laptop-list@redhat.com
http://www.redhat.com/mailman/listinfo/fedora-laptop-list

__________________________________________________ ____________________
This email has been scanned by the MessageLabs Email Security System.
For more information please visit http://www.messagelabs.com/email
__________________________________________________ ____________________

_______________________________________________
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Old 05-29-2008, 01:43 PM
Gene Horodecki
 
Default Anyone else have a T42 /w Fedora?

Actually, they did end up working for me, with the one exception that
desktop effects won't work (properly) on anything bigger then dual
1024x768. But I had my 1024x768 plus 1600x1200 monitor working fine out
the VGA port of my T42 without desktop effects. I've attached the post
below that works. Substitute DVI-0 for VGA-0 if you're using the VGA port.


Unfortunately the desktop effects problem is due to a limitation with
the card.. Compiz needs the entire desktop (both screens together) to be
a single texture, and the card can only handle a maximum texture size of
2048x2048.


HERE IS THE POST:

i have a T42p and an external display connected via DVI on the
Thinkpad's docking station. When X starts, both displays show the same
content (mirrored display). So i first have to switch off one of them
and then switch on again for real dual head display:


xrandr --output DVI-0 --off

xrandr --output DVI-0 --mode 1600x1200 --left-of LVDS

I also have to add "Virtual 3200 1200" in SubSection "Display" of
Section "Screen" in xorg.conf to get an 1600x1200+1600x1200 resolution.
Video card driver is "radeon"


Jeremey Wise wrote:

I know this is a bit late on the response but ... work :P

Dual head features of the IBM Thinkpad series T41, T42, and T43 models
do NOT work and likely never will at this rate.

I posted a kernel bug back almost two years ago and it is still ongoing.

I am moving to a T6x model soon so I PRAY that this is resolved and will
post once I find out more.

https://bugzilla.redhat.com/show_bug.cgi?id=239332



Jeremey Wise
Senior Consultant
Arrow Enterprise Computing Solutions
RHCE,MCSE,CNE,PSE,TSM


-----Original Message-----
From: fedora-laptop-list-bounces@redhat.com
[mailto:fedora-laptop-list-bounces@redhat.com] On Behalf Of gene
Sent: Monday, May 19, 2008 7:00 PM
To: fedora-laptop-list@redhat.com
Subject: Anyone else have a T42 /w Fedora?


Hi there.. I'm posting because Fedora is not working properly on my T42.
I
can't get the dual-head feature to work. I was wondering if anyone else
out there has a T42 with Fedora? Someone suggested trying to use
'xrandr'
to get dual head to work but all that did for me was hang Gnome.

I'm hoping I can get this to work because I so much prefer Fedora for
development but running single-head makes it undoable.

_______________________________________________
Fedora-laptop-list mailing list
Fedora-laptop-list@redhat.com
http://www.redhat.com/mailman/listinfo/fedora-laptop-list

__________________________________________________ ____________________
This email has been scanned by the MessageLabs Email Security System.
For more information please visit http://www.messagelabs.com/email
__________________________________________________ ____________________




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Fedora-laptop-list@redhat.com
http://www.redhat.com/mailman/listinfo/fedora-laptop-list
 

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