After a an apt-get update the touchpad has totally quit working, also
with the previously known working kernel 4.4.0-62-generic.
It is not an hardware issue, since the touchpad works perfectly with
trusty and kernel 3.13 ...
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It was not able to find which type of touchpad hardware is installed on
XPS13 DE - 9333. Dell support says that the device is no more covered by
the warranty. Does someone know whether the device is a genuine
Synaptics touchpad or is a "compatible" OEM produc ?
Thanks.
Alessandro Volpi
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I have upgraded the kernel to 4.4.0-64-generic . The touchpad is still
not recognized. This seems to be a "permanent regression" from the last
working kernel version 4.4.0-62-generic.
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I have now a fresh xenial system on my Dell XPS 13 DE 9333.
The touchpad has been working flawlessly until I upgraded from kernel
4.4.0-62-generic to 4.4.0-63-generic.
With the new kernel the touchpad is not detected at startup. With the
last working kernel the output"xinput list" command was
With a little spare time I've been checking what happens in logs while I
run `evtest` as per above instruction: `/var/log/dmesg` and
`/var/log/Xorg.0.log` - as grepping showed they both reference "SynPS/2
Synaptics TouchPad".
dmesg log was not updating after boot, but I noticed something in
Updating BIOS managed to improve the situation to the point where I can
consistently make the touchpad work, although it is inconvenient.
Laptop: Dell XPS 13 Developer Edition (9333)
OS: 16.04 LTS - updated from 14.04 LTS - updated from 12.04 LTS, which was the
original OS and had touchpad
I have this issue despite a clean install. Sometimes, when a new version
of the kernel is installed, the touchpad works. However, after a restart
it stops working.
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I am affected by the bug without having upgraded from trusty to xenial.
I simply upgraded from kernel 3.13 to kernel 4.4 maintaining the Trusty
release.
After the kernel upgrade the touchpad of my Dell XPS 13 ( version 9333 -
2014 ) is no more recognized as a valid input source for the xserver.
I have found that I am not the only one experiencing trouble when trying to
install
xserver-xorg-input-synaptics ...
See for example the following link:
http://askubuntu.com/questions/623040/synaptics-touchpad-missing-in-
ubuntu-14-04-2-with-dell-5550
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I'm confirming this bug: I upgraded my XPS 13 9333 from 14.04 to 16.04 last
week.
I had to go back to 14.04 by restoring the hard drive image because I was not
able to have the touchpad working. I also tested the generic kernel without
more success.
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FYI: Booted ubuntu 16.04 from a usb drive and the touchpad works. I am
considering doing a fresh install to solve this problem.
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https://bugs.launchpad.net/bugs/1629613
Tested against 4.8.0-040800-generic_4.8.0-040800.201610022031_amd64.deb
and the touchpad is still unresponsive and is bot recognized (doesn't
exist in proc/bus/input/devices)
** Tags added: kernel-bug-exists-upstream
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.8 kernel[0].
If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.
If the mainline kernel does not fix
** Tags added: xenial
** Tags added: touchpad
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https://bugs.launchpad.net/bugs/1629613
Title:
[Dell XPS 13] SynPS/2 Synaptics TouchPad not recognized after upgrade
from
** Attachment added: "kernel version"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1629613/+attachment/4752630/+files/version
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** Attachment added: "cat /proc/bus/input/devices"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1629613/+attachment/4752627/+files/devices
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** Attachment added: "lspci-vnvn"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1629613/+attachment/4752629/+files/lspci-vnvn.log
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** Attachment added: "dmesg"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1629613/+attachment/4752628/+files/dmesg
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