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Thread: Keyboard and touchpad lock at installation on ASUS UX303U

  1. #1
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    Unhappy Keyboard and touchpad lock at installation on ASUS UX303U

    Hi,

    I encountered the following problem yesterday at LEAP 15.1 installation.

    I decided to upgrade my 15.0 to 15.1 via fresh installation from DVD. Everything went fine till the screen with language choice. I noticed I could not write anything in verification field, also touchpad was not active. I finished the installation with USB mouse and after system start the keyboard and touchpad both were dead again.

    When I plugged in external USB keyboard and mouse they worked fine. Only built in keyboard and touchpad were not active.

    I tried to start the system from Live CD - the same. In GRUB I could use the keyboard to choose the option, but when Opensuse took over the control it disactivated keyboard and touchpad.

    Then I prepared DVD for network installation. The same. The keyboard was active in GRUB and shortly afterwards (I checked with lighted CAPS LOCK). Then after installer took over control it locked the keyboard.

    My last step was to reinstall version 15.0 from DVD for network installation. It went perfect and all works fine. So I use 15.0 writing this post.

    But I would be grateful to learn what makes such keyboard and touchpad issue in 15.1 ...

  2. #2
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    Default Re: Keyboard and touchpad lock at installation on ASUS UX303U

    You may need to add 'i8042.reset' to your grub boot configuration. From a quick search online some users with similar ASUS hardware report needing one or more of the following boot parameters 'i8042.reset i8042.nomux i8042.nopnp i8042.noloop' (which will depend on the exact hardware configuration deployed in a given device).

    http://redsymbol.net/linux-kernel-boot-parameters/

    This openSUSE guide shows how to test these at the grub boot screen on the fly...
    https://doc.opensuse.org/documentati...b2.menu_change
    openSUSE Leap 15.1; KDE Plasma 5

  3. #3
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    Default Re: Keyboard and touchpad lock at installation on ASUS UX303U

    in my case i8042.nopnp helped. Now works perfectly. Thank you very much deano_ferrari.

  4. #4
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    Unhappy Re: Keyboard and touchpad lock at installation on ASUS UX303U

    Quote Originally Posted by aleopo View Post
    in my case i8042.nopnp helped. Now works perfectly. Thank you very much deano_ferrari.
    it turned out not everything was perfect

    This setting enabled me to upgrade the system and use it. But when I tried to change the keyboard backlight or screen brightness or set the airplane mode I realized I cannot use the keyboard FN key shortcuts to do it

    Trying to find out the solution I noticed that when I go to advance options in GRUB and start the Leap 15.1 with the elder Kernel version 4.12.14-lp150.12.82-default, no matter if I set the i8042.xxxxx GRUB boot options or not - the system works perfect: both keyboard and touchpad are active and all FN shortcuts work.

    If I start Leap 15.1 with kernel 4.12.14-lp151.28.36-default I need to set i8042.xxxx options but I loose keyboard control over keyboard backlight, screen brightness or airplane mode. The brightness setting with mouse works fine, so it is not the problem with video driver.

  5. #5
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    Default Re: Keyboard and touchpad lock at installation on ASUS UX303U

    If it's the same as on my daughter's Zenbook, it doesn't work like that on these machines. If all is well she's dropping in later today, I'll ask her.
    ° Appreciate my reply? Click the star and let me know why.

    ° Perfection is not gonna happen. No way.

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  6. #6
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    Default Re: Keyboard and touchpad lock at installation on ASUS UX303U

    I guess you made a typo ..... lp150 is a Leap 15.0 kernel which Leap 15.0 never had. Can you confirm this? If so, file a bugreport.
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  7. #7
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    Default Re: Keyboard and touchpad lock at installation on ASUS UX303U

    no, it is not typo. After upgrade I have five grub starting options for Leap 15.1. See the screenshot.
    https://photos.app.goo.gl/cDo2fT49VrqPPAko8

  8. #8
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    Default Re: Keyboard and touchpad lock at installation on ASUS UX303U

    Quote Originally Posted by aleopo View Post
    no, it is not typo. After upgrade I have five grub starting options for Leap 15.1. See the screenshot.
    https://photos.app.goo.gl/cDo2fT49VrqPPAko8
    I have to correct myself, should have checked better. It IS Leap 15.0s kernel, which is still on your system since the system cleans up older kernels, but you never reached that point yet after the upgrade.
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  9. #9
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    Default Re: Keyboard and touchpad lock at installation on ASUS UX303U

    I don't know if it may be relevant, but on one of my ASUS laptops I need the "acpi_osi=Linux" boot option to use some Fn keys, including keyboard backlight.
    It is firmware-dependent, so your mileage might vary. Also, I don't have problems with the i8042 and don't know if that has a role.
    Leap 15.1 Gnome on i7 4720HQ + Geforce GTX960M
    testing Leap 15.2Beta

  10. #10
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    Default Re: Keyboard and touchpad lock at installation on ASUS UX303U

    unfortunately "acpi_osi=Linux" has not helped. Still the 15.1 kernel is not usable for me

    But it looks strange that the system works with the elder kernel (happily not erased) and makes problem with the new kernel. All settings are the same, so it looks like new kernel bug, or....?

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