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Damian Dixon avatar Ubuntu

Ubuntu 22.04 infrequent random key sticking on Dell G15 5521, that immediately clears on pressing a different key

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Damian Dixon

Setup:

  • Ubuntu 22.04, clean install.
  • Dell G15 5521 Laptop
  • Latest firmware
  • 6.0.8-060008-generic
  • Nvidia 525.60.11
  • X11 Ubuntu flavour of Gnome

Very randomly and very infrequently (probably once a day for me) a key appears to get stuck and auto-repeats. Pressing any other key stops the auto repeat.

This happens with the default kernel and with 6.0.8.

The problem does not occur on Windows 11. The problem does not occur when running the pre-post keyboard tests (fn key held down when powering on).

The problem occurs on multiple G15 laptops. I have one for work, one for personal use and work has 3 more. All exhibit the same random infrequent problem, but frequently enough to be complained at...

The problem does not always occur when the system is under load. Typing speed does not appear to have any influence on the issue.

dmesg does not show any thing related to keyboard or USB when the issue occurs.

I do not want to turn off key repeat (xset -r).

A bit more information on input devices:

$ xinput list
⎡ Virtual core pointer                      id=2    [master pointer  (3)]
⎜   ↳ Virtual core XTEST pointer                id=4    [slave  pointer  (2)]
⎜   ↳ DELL0B56:00 06CB:CE81 Mouse               id=10   [slave  pointer  (2)]
⎜   ↳ DELL0B56:00 06CB:CE81 Touchpad            id=11   [slave  pointer  (2)]
⎜   ↳ PS/2 Generic Mouse                        id=17   [slave  pointer  (2)]
⎜   ↳ Logitech MX Ergo Multi-Device Trackball   id=18   [slave  pointer  (2)]
⎣ Virtual core keyboard                     id=3    [master keyboard (2)]
    ↳ Virtual core XTEST keyboard               id=5    [slave  keyboard (3)]
    ↳ Video Bus                                 id=6    [slave  keyboard (3)]
    ↳ Video Bus                                 id=7    [slave  keyboard (3)]
    ↳ Power Button                              id=8    [slave  keyboard (3)]
    ↳ Integrated_Webcam_HD: Integrate           id=9    [slave  keyboard (3)]
    ↳ Intel HID 5 button array                  id=12   [slave  keyboard (3)]
    ↳ Intel HID events                          id=13   [slave  keyboard (3)]
    ↳ Dell Privacy Driver                       id=14   [slave  keyboard (3)]
    ↳ Dell WMI hotkeys                          id=15   [slave  keyboard (3)]
    ↳ AT Translated Set 2 keyboard              id=16   [slave  keyboard (3)]

$ uname -a
Linux Dell-G15-Special-Edition-5521 6.0.8-060008-generic #202211101901 SMP PREEMPT_DYNAMIC Thu Nov 10 20:44:03 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux

Is there anything I can try to narrow down where this problem is occurring?

I have looked at numerous different posts and questions but the advice is limited.

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Conor O'Neill avatar
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Conor O'Neill
Unfortunately, I can't help you with your question, and I'm not suffering the same issues. But I also have a Dell G15 5521, and I'm having some different issues with it. It would be very helpful if you could look at my question which I asked yesterday, and see if you are able to help. https://askubuntu.com/questions/1446590/hdmi-port-not-recognised-nvidia-geforce-rtx-3060-xubuntu-22-04-dell-laptop
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