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    latest kernel killed my ThinkPad W520 hotkeys

    Discussion in 'Linux Compatibility and Software' started by Bashar, Dec 22, 2014.

  1. Bashar

    Bashar Notebook Evangelist

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    for some reason after latest kernel/nvidia and other updates on my 12.04.5 LTS running kernel Linux ThinkPad-W520 3.13.0-43-generic #72~precise1-Ubuntu SMP Tue Dec 9 12:14:18 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux all my hotkeys such as volume, mute even brightness stopped working

    both on my laptop and via my usb keyboard (thinkpad too) connected via USB
     
    Bashar, Dec 22, 2014
    #1
  2. Mr.Koala

    Mr.Koala Notebook Virtuoso

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    Try acpi_osi=Linux. Or =Windows if being honest fails (unlikely on a ThinkPad).
     
    Mr.Koala, Dec 22, 2014
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  3. tmpfs

    tmpfs Notebook Enthusiast

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    First thing you can revert your kernel version to the working one. If you want to diagnose it you would need to post `dmesg | grep thinkpad` and see how the thinkpad_acpi driver failed to set up your hotkeys.
     
    tmpfs, Dec 25, 2014
    #3