This turned out to be a hardware bug.
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
** Changed in: linux (Ubuntu)
Status: Incomplete => Invalid
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In the meantime, I have switched my graphics to the internal Intel. This
will make it a lot easier to install custom kernels because I will no
longer depend on the nouveau or nvidia drivers.
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Ok, sorry, I see that I have added the tag.
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https://bugs.launchpad.net/bugs/1753497
Title:
Quanta Optical touchscreen recognized as usb but not as input device
To manage
The mainline kernel does not fix the bug. My problem is, I do not know
how to add a tag in Launchpad. It is a long time ago since I did this...
and the help I get from the internet suggests there is an 'add tag'
button on top of the page, but there isn't. So maybe I do not have the
rights to add
** Tags added: kernel-bug-exists-upstream
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https://bugs.launchpad.net/bugs/1753497
Title:
Quanta Optical touchscreen recognized as usb but not as input device
To manage notifications
Did this issue start happening after an update/upgrade? Was there a
prior kernel version where you were not having this particular problem?
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.16
