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Thread: [Howto] Asus T91MT and Ubuntu 10.10 (Maverick)

  1. #61
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    Ubuntu Development Release

    Re: [Howto] Asus T91MT and Ubuntu 10.10 (Maverick)

    Quote Originally Posted by mmanu View Post
    i'm a bit puzzled... all seems ok but it doesn't happen!

    grub seems ok:

    GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
    GRUB_CMDLINE_LINUX="acpi_osi=Linux acpi_backlight=vendor acpi_skip_timer nomodeset video=uvesafb:mode_option=1024x600-24,mtrr=3,scroll=ywrap pci=nocrs mem=896mb"

    /etc/acpi/events/asus-rorate-t91 is created with 0000007b. a /etc/acpi/events/asus-rorate is already present with 0000009b.

    the silver butter is firing the rotatescreen.sh : the date >> /tmp/rotate.org test works wherever i put it, i've also checked the /var/lib/acpi-support/screen-rotation file after pressing the button and it works well too, but the screen doesn't move any pixel!

    also, from a terminal, the script /etc/acpi/rotatescreen.sh rotates screen as expected.

    all seems ok but the /usr/bin/xrandr -o $NEW_ROTATION seems doing nothing when i press that button !!

    some additionnal remarks:
    when i put both events files (asus-rotate & asus-rotate-t91) to 0000007b or to 0000009b the results are the same (the rotate file fires).
    dmsg has a hidden error message when the button is held pushed: unknown key ea (windows use this action to rotate). yeah! i'm glad to contribute
    After posting that stuff before I discovered that you do need 'xhost local:' in a startup script in addition to the other hacks. Didn't remember to update the wiki.

  2. #62
    Join Date
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    france
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    42

    Thumbs down Re: [Howto] Asus T91MT and Ubuntu 10.10 (Maverick)

    ok, it appears that my real problem is to properly add scripts at startup in xubuntu...

    i put " xhost local:" in a +x file (~/.xhost_local) and add it to startup with "xfce settings manager > session and startup > application autostart > add > ~/.xhost_local" reboot and nothing appends. within a term it gives: "non-network local connections being added to access control list" which seems all right to me. i tried some other commands as "sh ~/.xhost_local" or "~/.xhost_local --wait", i add a shebang in the .xhost_local but nothing seems to work. i tried also to put it in some .xinitrc coming from esoteric forums and /etc/gdm/xfce4 but it wasn't really much convincing.

    actually, i've the same problem with the multitouchpad script, which works like a charm manually, but doesn't want to autostart.

    on the other hand, twofing launches perfectly at startup, which makes me guess an improper method with scripts...

  3. #63
    Join Date
    Jan 2011
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    11

    Re: [Howto] Asus T91MT and Ubuntu 10.10 (Maverick)

    Quote Originally Posted by razor180 View Post
    well, I have a problem (and I think most t91mt ubuntu users have just haven't noticed it)

    if you listen real closely you can hear a quiet hissing noise coming from your speakers, now I don't hear this in windows at all, so I think it's probably ubuntu's audio drivers. I don't know how to fix this and I'm not sure if most other t91mt ubuntu users have it, but if you want to see, take a pair of headphones and plug them into the jack and you'll easily be able to hear it

    I've only seen one other person post about this problem on this topic, with no response
    Hey, just wanted to touch base and say I have this problem too. I've tried a million different things to try to fix it, to no avail. I wonder if there's some way to just filter that noise out if it's some abstruse hardware problem...it's not too bad I guess, but it's not very pleasant. The weird part is that the sound output is otherwise very good.

    Another thing, too: has anyone used xournal on their t91mt? I can't get it to smoothly recognize touch input. If I doodle a bunch without picking up the stylus, it works fine, but writing something like text results in a bunch of choppy lines. I honestly think that this is a utouch problem, because my cpu won't go above 40% or so. Xournal has the problem and so does cellwriter. The touchscreen works fine for non-inking tasks, but inking tasks seem to have a ~.25s lag whenever the pen touches the tablet.

    Any ideas to fix this would be awesome. It really makes taking notes and drawing diagrams undoable at my natural speed.

  4. #64
    Join Date
    Nov 2008
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    Southern Ontario, Canada
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    Ubuntu UNR

    Re: [Howto] Asus T91MT and Ubuntu 10.10 (Maverick)

    Hey, I realize this isn't in the flow of the thread at the moment, but I want to share that I've had success with full screen video finally (was white screening previously)!
    I'm using the emgd drivers. (Are there other fixes maybe?)

    Thanks to Lucazade's post in "Guide to Get the Best Performace from the GMA 500" here. The wget and install worked well for me.

    NOTE! You will need to customize your xorg.conf. My current one is below (still fiddling with it and grub settings)

    X has quit on me a few times, and lost sync settings - not exactly sure why yet. It's better since I commented DRI in my xorg.conf. Still no 3D that I can tell - not enabled in System->Preferences->Appearance->Visual Effects panel yet, but full screen and smooth video is nice!!

    3 items: no DRI, the name GMA500 and resolution 1024x600...

    Code:
    #Section "DRI"
    #        Mode         0666
    #EndSection
    
    Section "ServerLayout"
        Identifier     "Default Layout"
        Screen 0       "Screen0"		0 0 
    EndSection
    
    Section "Device"
        Identifier "Intel_GMA500"
        Driver     "emgd"
        VendorName "Intel(R) DEG"
        BoardName  "Embedded Graphics"
        BusID      "0:2:0"
        Screen      0
        Option     "PcfVersion"				"1792"
        Option     "ConfigId"				"1"
        Option     "PortDrivers"				"lvds"
        Option     "ALL/1/name"				"lvds-display"
        Option     "ALL/1/General/PortOrder"		"40000"
        Option     "ALL/1/General/DisplayConfig"		"1"
        Option     "ALL/1/General/DisplayDetect"		"1"
        Option     "ALL/1/General/VideoRAM"                 "131072"
        Option     "ALL/1/Port/4/General/name"		"LVDS"
    #    Option     "ALL/1/Port/4/General/Rotation"		"0"
        Option     "ALL/1/Port/4/General/Edid"		"1"
        Option     "ALL/1/Port/4/Attr/70"			"0"
        Option     "ALL/1/General/Accel" 			"0"
    EndSection
    
    Section "Screen"
        Identifier    "Screen0"
        Device        "Intel_GMA500"
        Monitor       "LVDS"
        SubSection "Display"
    	Depth     24
    	Modes    "1024x600"
        EndSubSection
    EndSection
    
    Section "Monitor"
    	Identifier   "LVDS"
    	ModelName    "LCD Panel 1024x600"
    EndSection
    
    Section "Extensions"
    	Option "composite" "enable"
    EndSection
    EDIT: My current grub is as follows:
    Code:
    # If you change this file, run 'update-grub' afterwards to update
    # /boot/grub/grub.cfg.
    
    GRUB_DEFAULT=0
    GRUB_HIDDEN_TIMEOUT=1
    GRUB_HIDDEN_TIMEOUT_QUIET=true
    GRUB_TIMEOUT=2
    GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian`
    
    GRUB_CMDLINE_LINUX_DEFAULT="quiet splash mem=786mb pciehp.pciehp_force=1 pciehp.pciehp_poll_mode=1"
    # ...original...GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
    # ...karmic mods...GRUB_CMDLINE_LINUX_DEFAULT="quiet nosplash mem=786mb pciehp.pciehp_force=1 pciehp.pciehp_poll_mode=1"
    
    GRUB_CMDLINE_LINUX="acpi_osi=Linux acpi_backlight=vendor acpi_skip_timer nomodeset video=uvesafb:mode_option=1024x600-24,mtrr=3,scroll=ywrap pci=nocrs mem=896mb"
    
    # Uncomment to enable BadRAM filtering, modify to suit your needs
    ...
    Last edited by kgingeri; April 3rd, 2011 at 10:00 AM.

  5. #65
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    May 2010
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    Ubuntu

    Re: [Howto] Asus T91MT and Ubuntu 10.10 (Maverick)

    EDIT 2: Ok, went and reinstalled a clean version. Everything still works I just need help with 2 minor things:

    1. In order for my Wifi to work and the screen rotate button to work On Boot I need to type in terminal:
    Code:
    xhost local:
    for the Rotate Button AND
    Code:
    sudo rfkill unblock all
    for the wifi.

    I need to make these 2 things run at startup but I don't know how (nub :c)

    2. Whenever I go into suspend mode and wake it up my Wifi stops working...I'll just leave it at that.


    I did notice that in tablet mode (Vertical Mode) The screen refreshes from right to left. Was wondering if anyone else noticed this?

    EDIT 3: Got it working...but the screen refreshes from right to left. Was wondering if anyone else noticed this?
    Last edited by Goldstorm; May 4th, 2011 at 08:13 PM.

  6. #66
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    55

    Re: [Howto] Asus T91MT and Ubuntu 10.10 (Maverick)

    The saga continue. I just installed Ubuntu 11.04 on a T91 (no MT). Most things work out of the box (including webcam), apart from:
    a screen resolution rather low (it said 800x600 in System->Monitors)
    b) choppy video playback
    c) touchscreen poorly calibrated
    d) no screen rotation &
    e) inability to get bezel button recognised in Easystroke (which as far as I can tell is currently unusable without a keyboard key held down, making it pretty much incompatible with the T91's twisty screen).

    Installing EMGD drivers fixed a & b (https://wiki.ubuntu.com/HardwareSupp...eoCardsPoulsbo)

    #330 included this suggestion for screen calibration:
    Code:
    xinput set-int-prop "IDEACOM  IDC 6680" "Evdev Axis Calibration" 32 300 7900 400 7800
    It doesn't work. But (unusually!) it produces a pretty helpful error message & I was able to work out it should be
    Code:
    xinput set-int-prop 9 "Evdev Axis Calibration" 32 300 7900 400 7800
    The 9 comes from running "xinput list" (ie the number by the first "IDEACOM IDC 6680" entry.

    As #330 recommends, in /etc/X11/Xsession.d/98x11-common_touchscreen I added this script:

    Code:
    #!/bin/sh
    
    xinput set-int-prop 9 "Evdev Axis Calibration" 32 300 7900 400 7800
    (It took me a while to figure this out )

    So I can now use the T91 like an ebook reader (unlike all the other document readers I've tried, evince has a fullscreen mode with an onscreen forward AND back button) and watching videos. Which is why I bought it...

    It would be great to get screen rotation working, and to get the bezel button recognised by Easystroke for activating gestures. That ought to make it possible to customise things for keyboard free operation - which ironically requiring a gesture button rules out (on a resistive touchscreen).

    Has anyone managed?
    Last edited by onebir; July 9th, 2011 at 08:52 AM.

  7. #67
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    Wherever I am.
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    Ubuntu 9.10 Karmic Koala

    Re: [Howto] Asus T91MT and Ubuntu 10.10 (Maverick)

    The 9 comes from running "xinput list" (ie the number by the first "IDEACOM IDC 6680" entry.

    As #330 recommends, in /etc/X11/Xsession.d/98x11-common_touchscreen I added this script:
    Sorry, I am a bit of newbie to this sort of thing myself. Do you mean that we should create this file /etc/X11/Xsession.d/98x11-common_touchscreen and paste the code you mentioned into the file? Is that all?

  8. #68
    Join Date
    Jan 2011
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    Re: [Howto] Asus T91MT and Ubuntu 10.10 (Maverick)

    Sorry, I am a bit of newbie to this sort of thing myself. Do you mean that we should create this file /etc/X11/Xsession.d/98x11-common_touchscreen and paste the code you mentioned into the file? Is that all?
    Yes - exactly. Every time the an X session starts, that command should run, calibrating your screen (more or less - it's still not perfect on mine).

  9. #69
    Join Date
    Oct 2008
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    Wherever I am.
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    Ubuntu 9.10 Karmic Koala

    Re: [Howto] Asus T91MT and Ubuntu 10.10 (Maverick)

    It worked perfectly. Thanks so much for this! You have no idea how awesome it is to have a correctly calibrated touch screen for the first time in months!

  10. #70
    Join Date
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    Ubuntu 10.04 Lucid Lynx

    Question Re: [Howto] Asus T91MT and Ubuntu 10.10 (Maverick)

    Quote Originally Posted by onebir View Post
    The saga continue. I just installed Ubuntu 11.04 on a T91 (no MT). Most things work out of the box (including webcam), apart from:
    a screen resolution rather low (it said 800x600 in System->Monitors)
    b) choppy video playback
    c) touchscreen poorly calibrated
    d) no screen rotation &
    e) inability to get bezel button recognised in Easystroke (which as far as I can tell is currently unusable without a keyboard key held down, making it pretty much incompatible with the T91's twisty screen).

    Installing EMGD drivers fixed a & b (https://wiki.ubuntu.com/HardwareSupp...eoCardsPoulsbo)

    #330 included this suggestion for screen calibration:
    Code:
    xinput set-int-prop "IDEACOM  IDC 6680" "Evdev Axis Calibration" 32 300 7900 400 7800
    It doesn't work. But (unusually!) it produces a pretty helpful error message & I was able to work out it should be
    Code:
    xinput set-int-prop 9 "Evdev Axis Calibration" 32 300 7900 400 7800
    The 9 comes from running "xinput list" (ie the number by the first "IDEACOM IDC 6680" entry.

    As #330 recommends, in /etc/X11/Xsession.d/98x11-common_touchscreen I added this script:

    Code:
    #!/bin/sh
    
    xinput set-int-prop 9 "Evdev Axis Calibration" 32 300 7900 400 7800
    (It took me a while to figure this out )

    So I can now use the T91 like an ebook reader (unlike all the other document readers I've tried, evince has a fullscreen mode with an onscreen forward AND back button) and watching videos. Which is why I bought it...

    It would be great to get screen rotation working, and to get the bezel button recognised by Easystroke for activating gestures. That ought to make it possible to customise things for keyboard free operation - which ironically requiring a gesture button rules out (on a resistive touchscreen).

    Has anyone managed?
    Tried to install EMGD drivers on my T91MT running 11.04 per the info on Ubunti wiki link you provide...however, when I try to add the gma500/emgd repository here's what I get:

    Code:
    $ sudo add-apt-repository ppa:gma500/emgd 
    ........ (text....) .....
    ........ (text....) .....
    ........ (text....) .....
    .......  (text....) .....
    gpg: requesting key 34xxxxxx from hkp server keyserver.ubuntu.com
    gpg: key 34xxxxxx: "Launchpad GMA500 PPA" not changed
    gpg: Total number processed: 1
    gpg:              unchanged: 1
    $
    Have several times to add this repository at various times today, but always get same message....

    Any suggestions?

    Thanks!

    Mark

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