It also happens here using a Thinkpad Helix. It started at the end of
Octrober or in November until I updated the system. It is not a hardware
problem, as it works as it should on windows and it worked before that
date and before I updated with Ubuntu also.
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Daniel B., thank you for your comment. Unfortunately, as this bug report is
closed, this bug report is not scoped to you, your hardware, or your problem.
So your hardware and problem may be tracked, could you please file a new report
with Ubuntu by executing the following in a terminal while
While I'm not running Ubuntu, I can confirm that I had saw the same
issues with my T440s and it was a matter of the touchpad cable becoming
disconnected/connected when the one button touchpad is pressed. If you
only see the errors when you press the touchpad button, it's fair to say
we have the
Thanks for the last two comments - I got in touch with Jeroen who posted
the spinics forum post, and he said that the best way to confirm the
problem was to either boot into Windows 8 safe mode or boot Windows 7
from USB and see what happened there.
Under Windows 8 safe mode there was no
Jon Vaughan, this bug report is being closed due to your last comment
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1268365/comments/13
regarding this being due to hardware failure. For future reference you
can manage the status of your own bugs by clicking on the current status
in the
Are you sure it's not a hardware issue? This discussion seems to indicate it's
a hardware problem http://www.spinics.net/lists/linux-input/msg28623.html .
Only Windows 8 is for some strange reason not affected.
I do have the same problem with Arch Linux and Windows 7.
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I am able to recreate this using the latest trusty build
ubuntu@ubuntu:~$ uname -a
Linux ubuntu 3.13.0-5-generic #20-Ubuntu SMP Mon Jan 20 19:56:38 UTC 2014
x86_64 x86_64 x86_64 GNU/Linux
ubuntu@ubuntu:~$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:Ubuntu
** Tags removed: needs-trusty-test
** Tags added: trusty
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https://bugs.launchpad.net/bugs/1268365
Title:
[Lenovo Thinkpad t440s] Touchpad periodically stops working
And I am able to recreate it with the latest KernelMainlineBuild
jon@mv8:~$ uname -a
Linux mv8 3.13.1-031301-generic #201401291035 SMP Wed Jan 29 15:37:43 UTC 2014
x86_64 x86_64 x86_64 GNU/Linux
jon@mv8:~$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:Ubuntu
This is a brand new laptop, so I haven't installed any earlier release
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https://bugs.launchpad.net/bugs/1268365
Title:
[Lenovo Thinkpad t440s] Touchpad periodically stops
Jon Vaughan, thank you for performing the requested tests. Did this
problem not occur in a release prior to Saucy?
** Tags removed: needs-upstream-testing
** Tags added: kernel-bug-exists-upstream-3.13
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Jon Vaughan, the issue you are reporting is an upstream one. Could you
please report this problem through the appropriate channel by following
the instructions _verbatim_ at
https://wiki.ubuntu.com/Bugs/Upstream/kernel ?
Please provide a direct URL to your e-mail to the mailing list once you
have
That is an excellent spot, and I apologise - I had recently updated the
bios using the lenovo updater utility but it doesn't see this version.
So I am now:
jon@mv8:~$ sudo dmidecode -s bios-version sudo dmidecode -s
bios-release-dateGJET67WW (2.17 )
12/10/2013
jon@mv8:~$ date
Sun Jan 12
Jon Vaughan, thank you for updating your BIOS. Could you please confirm
this issue exists with the latest development release of Ubuntu? ISO
images are available from http://cdimage.ubuntu.com/daily-live/current/
. If the issue remains, please just make a comment to this.
If reproducible, could
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