In my case the keyboard on the laptop was working on GRUB/Recovery mode
but not on normal run.
I compared the kernel modules on the both runs and also did insmod/rmmod
to have the same list without any difference.
Then I went and compare kernel cmdline (/proc/cmdline) and update
arguments one by
** Attachment added: "version.log"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1894012/+attachment/5521777/+files/version.log
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** Attachment added: "lspci-vnvn.log"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1894012/+attachment/5521756/+files/lspci-vnvn.log
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Confirmed also on HP EliteBook 2570p, after upgrade from 19.04 laptop
keyboard/touch-pad are not working except GRUB menu and safe mode.
I was not able to find which kernel module cause this.
** Attachment added: "dmi.txt"
Here is possible solution:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1894017
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Title:
touchpad and keyboard
To manage notifications
Confirmed on my Acer Aspire E5-511G. Also kernels 5.8.0 same troubles
(Kubuntu 20.10)
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Title:
touchpad and keyboard
To manage notifications
This happened to me as well.
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Title:
touchpad and keyboard
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