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 Forum index » Advanced Topics » Cutting edge
Intel GMA500 Poulsbo Xorg driver
Moderators: Flash, Ian, JohnMurga
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tempestuous

Joined: 10 Jun 2005
Posts: 5218
Location: Australia

PostPosted: Wed 20 Apr 2011, 00:04    Post subject:  Intel GMA500 Poulsbo Xorg driver  

UPDATE April 24 2011:
The pcb Xorg driver has not been successfully set up in Puppy 5.1/5.2
A working solution for the Poulsbo graphics device is the fbdev/uvesafb drivers,
now available for Puppy 5.1/5.2 here -
http://www.murga-linux.com/puppy/viewtopic.php?t=67166

The Intel GMA500 Poulsbo graphics devices, as typically found in recent Atom-based netbooks, have been a problem in Linux. The "intel" Xorg driver doesn't support this graphics device at all, so Puppy's xorgwizard will fall back to the generic "vesa" Xorg driver. Not only is this driver limited in performance and features, it simply doesn't play well with the Poulsbo graphics hardware - apparently there are bad glitches.
And the "Xvesa" xserver gives similarly poor results.

A POSSIBLE solution is the new "pcb" Xorg driver, which has recently become available for Ubuntu 10.04 Lucid, so it should be compatible with Puppy 5.x.
The Ubuntu deb repositories are here -
http://code.google.com/p/gma500/wiki/PPARepository
https://launchpad.net/~gma500/+archive/ppa/+packages

I have repackaged the various debs as dotpets for Puppy 5.1/5.2, available here -
http://www.murga-linux.com/puppy/viewtopic.php?p=515093#515093

Last edited by tempestuous on Sun 24 Apr 2011, 07:41; edited 2 times in total
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tempestuous

Joined: 10 Jun 2005
Posts: 5218
Location: Australia

PostPosted: Wed 20 Apr 2011, 00:16    Post subject:  

So clearly this driver would be ideal for Puppeee!
I have just sent a message to Jemimah to see if she can compile the kernel module for the Puppeee kernel.

I have already prepared a pcb Xorg package for Fluppy013, but I'm not sure what the situation is in Fluppy/Puppeee with OpenGL 3D libraries, so I will wait for Jemimah's response.
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tempestuous

Joined: 10 Jun 2005
Posts: 5218
Location: Australia

PostPosted: Wed 20 Apr 2011, 00:17    Post subject:  

INSTRUCTIONS
Install the dotpets for the Xorg driver and kernel module, compatible with your Puppy version
(at this point, dotpet packages are only available for Puppy 5.1/5.2)
Optionally, you can also install the DRI (3D) dotpet.

First ensure you're actually running Xorg, not Xvesa!
Now you need to modify your Xorg configuration file, /etc/X11/xorg.conf
First I suggest you make a copy of this file in case of total failure! Call the copy something like "xorg.conf-backup"
Now open /etc/X11/xorg.conf in Geany.
Find the line under Section "Device" that starts with "Driver ...". The driver listed is likely to be "vesa" since that's the generic Xorg driver.
Change it to "pcb". Now the line looks like this -
Code:
Driver      "pcb" #card0driver

You might also change the "Identifier" value from "Card0" to "GMA500" but I don't think it's essential.
Now you need to add the following "Option" lines in the same section -
Code:
   Option "ShadowFB" "true"
   Option "DownScale" "false"
   Option "ExaNoComposite" "false"
   Option "IgnoreACPI" "true"
   Option "LidTimer" "false"
   Option "MigrationHeuristic" "greedy"
   Option "NoAccel" "false"
   Option "NoFitting" "false"
   Option "NoPanel" "false"
   Option "SWcursor" "false"
   Option "Vsync" "false"


In Section "ServerFlags" add this line:
Code:
Option "AIGLX" "true"


Now add a completely new section (it doesn't matter where)
Code:
Section "Extensions"
   Option   "Composite" "Disable"
   Option   "RENDER" "Enable"
EndSection


Now you're ready to restart the Xorg server with the new pcb driver.
Press Ctrl<Alt>Backspace to exit X, and type "xwin" to restart.
Hopefully you will have a nice powerful Xorg running with your GMA500!
But if you crash back to the commandline, you can reinstate your old xorg.conf file like this -
Code:
mv /etc/X11/xorg.conf-backup xorg.conf

or run the xorgwizard command to recreate a config file from scratch.
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darkcity


Joined: 23 May 2010
Posts: 2436
Location: near here

PostPosted: Wed 23 Jan 2013, 09:36    Post subject:  

Did anyone ever succeed you this?

Someone considering Puppy here (scroll down)
http://www.reddit.com/r/LinuxActionShow/comments/16yc9x/bodilicious_bodhi_review_las_s25e04/

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pemasu


Joined: 08 Jul 2009
Posts: 5463
Location: Finland

PostPosted: Wed 23 Jan 2013, 10:34    Post subject:  

There is now Poulsbo support available for Slacko and Upup Precise 3.7.2
Upup Precise needs that you install xorg modesetting driver as pet and one kernel module disabling (poulsbo.ko)
There is better kernel module now available and already in the distro.
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Q5sys


Joined: 11 Dec 2008
Posts: 1047

PostPosted: Wed 23 Jan 2013, 11:26    Post subject:  

darkcity wrote:
Did anyone ever succeed you this?

Someone considering Puppy here (scroll down)
http://www.reddit.com/r/LinuxActionShow/comments/16yc9x/bodilicious_bodhi_review_las_s25e04/


are you referencing my post?
i was providing feedback to the email section of the show where someone asked about multiscreen in linux.

i didnt see anything in that thread about someone 'considering' puppy.
my feedback was actually the 5th comment in the thread. the post by the member with the gma chipset didnt even exist when i posted... and my post wasnt in reference to anything intel based.

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darkcity


Joined: 23 May 2010
Posts: 2436
Location: near here

PostPosted: Wed 23 Jan 2013, 16:33    Post subject:  

Thanks for the replies Cool
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