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Thread: No GMA 500(PSB) Support in 9.10 Is this True?

  1. #11
    Join Date
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    Xubuntu 12.04 Precise Pangolin

    Re: No GMA 500(PSB) Support in 9.10 Is this True?

    What About xorg. xorg makes Open source type drivers.
    http://www.mydellmini.com/forum/dell...o-chipset.html

    was mentioned in that forum.
    Dell Mini 10 - 10.10 GMA 500 Display in 9.04 and 10.10
    ASUS Laptop U57A - Xubuntu 12.04

  2. #12
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    Re: No GMA 500(PSB) Support in 9.10 Is this True?

    Some news for fedora users, still no luck for ubuntu users

    http://www.phoronix.com/scan.php?pag...item&px=NzQ0NA

    Hope next Intel GPU'll sucks less...
    xens.dyndns.org

  3. #13
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    Re: No GMA 500(PSB) Support in 9.10 Is this True?

    I've patched the Psb kernel module to make it work on 2.6.31-5..
    Haven't tried it on my poulsbo device yet but only to compile the module locally.

    To be used with the ubuntu-mobile-ppa for jaunty.
    I'll try to upload it on my ppa repository asap.

    let me know if ok!

    kernel patch from: http://ubuntuforums.org/showthread.php?p=7680966

  4. #14
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    Victoria, Australia
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    Hidden!
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    Ubuntu Karmic Koala (testing)

    Re: No GMA 500(PSB) Support in 9.10 Is this True?

    Quote Originally Posted by sammyboy405 View Post
    What About xorg. xorg makes Open source type drivers.
    http://www.mydellmini.com/forum/dell...o-chipset.html

    was mentioned in that forum.
    Yes, which works best when the manufacturer releases the specs and things needed to develop the drivers. Otherwise, it's just a guessing game trying to reverse-engineer drivers

  5. #15
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    Re: No GMA 500(PSB) Support in 9.10 Is this True?

    Good news!

    GMA500 (on Asus T91) works On Ubuntu 9.04/Jaunty with Ubuntu linux-image-2.6.31-5-generic (from 9.10/Karmic) and psb-kernel-source from Lucazade (THANX MAN!)

    In summary:
    - Install Poulsbo drivers according to http://ubuntuforums.org/showthread.php?t=1213416 (but do NOT install the proposed psb-kernel-* packages)
    - AND use the psb-kernel-* packages from http://swiss.ubuntuforums.org/showpo...7&postcount=13
    - AND add the following in your /etc/X11/xorg.conf
    Code:
    Section "Device"
      Identifier "GMA500"
      Driver "psb"
      Option "MigrationHeuristic" "greedy"
      Option "IgnoreACPI" "yes"
    EndSection
    Issues:
    - No more /proc/acpi/video entry (?!?...), thus the "IgnoreACPI" option above
    - Keyboard brightness control (Fn+F3/F4) doesn't work anylonger once X has started (but does work through Gnome applet)

    Pros of 2.6.31 (OT, but worth mentioning for Asus T91 users):
    - The Asus Super Hybrid Engine can now be controlled via /sys/devices/platform/eeepc/cpufv (since 2.6.30, actually)
    - WLAN on/off status can now be controlled via /sys/devices/platform/eeepc/rfkill/rfkill0/state (and with Fn+F2 key)
    - Bluetooth on/off status can now be controlled via /sys/devices/platform/eeepc/rfkill/rfkill1/state (and with Fn+F2 key)

    Also:
    - Suspend (to RAM) works
    - glxgears (fullscreen @ 1024x600) reports 115 FPS (with occasional glitches)
    - flash movie (http://tsr.ch 19:30 news) is not smooth, but watchable (with cpufv=0, governor=ondemand)
    - HD movie (Big Buck Bunny MP4 @ 1080p) is not watchable (even with cpufv=0, governor=ondemand)
    - SD movie (Big Buck Bunny MP4 @ 720p) is (really!) smooth (with cpufv=2, governor=powersave)
    - Unable to verify whether the USB/3D-driver occasional freezes still happen
    (nothing happened while performing the tests mentioned here, including transfering >1GB of movie to the SD card in the USB-driven slot)

  6. #16
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    Re: No GMA 500(PSB) Support in 9.10 Is this True?

    I'm glad to hear it works for you on Jaunty 2.6.31-5!
    On karmic there is an issue with libdrm-poulsbo to make it work properly.. i'll see if i can do anything in the next days.

  7. #17
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    Re: No GMA 500(PSB) Support in 9.10 Is this True?

    About the missing /proc/acpi/video directory

    Looking at http://lxr.linux.no/linux+v2.6.30/dr.../video.c#L2336 - ACPI Video code as per kernel 2.6.30, where /proc/acpi/video seems to have gone missing (cf. tested 2.6.30 mainline PPA kernel) - explains the disappearance: GMA500 is reported as an Intel VGA device, which prompts the ACPI Video to skip the registration.

    The following (quick and dirty) patch solves the issue:
    Code:
    --- linux-2.6.31/drivers/acpi/video.c.orig    2009-08-13 22:59:13.000000000 +0200
    +++ linux-2.6.31/drivers/acpi/video.c    2009-08-13 23:00:06.000000000 +0200
    @@ -2391,8 +2391,8 @@
     {
         dmi_check_system(video_dmi_table);
     
    -    if (intel_opregion_present())
    -        return 0;
    +//    if (intel_opregion_present())
    +//        return 0;
     
         return acpi_video_register();
     }
    The /proc/acpi/video directory then re-appears, and the "IgnoreACPI" option can be removed from /etc/X11/xorg.conf

    TO BE CLARIFIED: does this behavior occurs only when using 2.6.31 on 9.04/Jaunty (my setup), or does it also occur in 9.10/Karmic?

    Also, once X started, the LCD brightness MUST be modified via XRandR:
    Code:
    xrandr --output LVDS0 --set BACKLIGHT <value between 0 and 100>
    (iow. /proc/acpi/video/GFX0/LCDD/brightness won't work)
    Hope this helps
    Last edited by cdufour; August 13th, 2009 at 10:26 PM.

  8. #18
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    Xubuntu 12.04 Precise Pangolin

    Re: No GMA 500(PSB) Support in 9.10 Is this True?

    Unrelated to 9.10 but thanks for the info on getting gma500 to work on 9.10

    in fact your information has helped me fix 9.04 Lock up issues while using 3d.

    xorg.conf file needs this.
    Code:
      Option "IgnoreACPI" "yes"
    Throw that in there and Lockups magically disappear.!
    Dell Mini 10 - 10.10 GMA 500 Display in 9.04 and 10.10
    ASUS Laptop U57A - Xubuntu 12.04

  9. #19
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    Re: No GMA 500(PSB) Support in 9.10 Is this True?

    thanks for your work lucazade!

    I'll try this on the netbook of one of my friend, hope to see a simpler solution from canonical until the final karmic!

    Romain
    xens.dyndns.org

  10. #20
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    Re: No GMA 500(PSB) Support in 9.10 Is this True?

    Quote Originally Posted by cdufour View Post
    TO BE CLARIFIED: does this behavior occurs only when using 2.6.31 on 9.04/Jaunty (my setup), or does it also occur in 9.10/Karmic?
    This behavior occurs with both Jaunty and Karmic (missing /proc/acpi/video directory).

    In Karmic there is something different in the drm management (don't know if depends on drm.ko or libdrm.so or other) so it fails to load (i haven't got the netbook here to try it now and to report the dmesg errors)

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