** Changed in: linux (Ubuntu)
Status: In Progress = Fix Released
** Changed in: hwe-next
Status: In Progress = Fix Released
** Changed in: linux (Ubuntu Trusty)
Importance: Undecided = High
** Changed in: linux (Ubuntu Utopic)
Importance: Undecided = High
** Changed in:
This bug was fixed in the package linux - 3.16.0-39.53
---
linux (3.16.0-39.53) utopic; urgency=low
[ Luis Henriques ]
* Release Tracking Bug
- LP: #1458778
[ Brad Figg ]
* hyper-v -- add hid and fb drivers to linux-virtual
- LP: #1444179
[ Chris J Arges ]
*
This bug was fixed in the package linux - 3.13.0-54.91
---
linux (3.13.0-54.91) trusty; urgency=medium
[ Luis Henriques ]
* Release Tracking Bug
- LP: #1458618
[ Upstream Kernel Changes ]
* [3.13-stable only] Revert gianfar: Carefully free skbs in functions
called
The touchpad of Dell XPS 13 (2015) in I2C mode doesn't work at all.
So there is no regression that I can tell.
It doesn't work worse.
It doesn't work better either.
Maybe it does work on some platform, however I don't know.
** Tags removed: verification-failed-trusty
** Tags added:
@Shih-Yuan, it's actually synaptic-i2c-hid dkms needs those patches in
kernel, but only kernel itself is not supposed to work, right? Does that
dkms need all patches in?
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synaptic-i2c-hid is created by AceLan.
I am not the original creator.
AceLan may know more details for it.
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https://bugs.launchpad.net/bugs/1456881
Title:
Some touchpads'
@Adam,
It still doesn't work by
http://kernel.ubuntu.com/~adamlee/lp1456881_all_patches/.
There is no event by evtest at all.
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@Shih-Yuan, How about this kernel, which contains all the patches we
might need? http://kernel.ubuntu.com/~adamlee/lp1456881_all_patches/
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@kengyu:
There is no event for the touchpad of Dell XPS 13 (2015) in I2C mode with
trusty-updates and trusty-proposed kernel.
No cursor, no left button, no right button, no tap, just nothing at all.
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The touchpad of Dell XPS 13 (2015) in I2C mode never works with trusty 3.13
kernel.
However the touchpad of Dell XPS 13 (2015) in PS/2 mode does work with trusty
3.13 kernel by default.
I need to use osi_acpi=Windows 2013 to make it function in I2C mode with
trusty 3.13 kernel.
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Comment #13 isn't very clear regarding the behaviour in the 3.13 kernel:
do we have a regression in Trusty? Or the touchpad did never worked
with Trusty?
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Quote from Seth, he NAKed the HID: multitouch: Add support for button
type usage
If I'm understanding the bug comments it sounds like additional testing
has shown that the patch doesn't actually fix the problem. Based on that
I'm nacking these patches.
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Shih-Yuan Lee (FourDollars), your comment #13 (3.13.0-54.91) In
fact, the touchpad doesn't work at all looks like a regression, could
you please double check it? Please compare to the version 3.13.0-53.89.
I also built a kernel with all patches, please check if it works.
My testing kernel(based
@Adam,
I mean Linux kernel 3.13 doesn't support the touchpad of Dell XPS 13 (2015) in
I2C mode originally.
It may need more patches to make the touchpad in I2C mode work.
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I have verified Linux kernel 3.16.0-39.53 and the right button works.
** Tags removed: verification-needed-utopic
** Tags added: verification-done-utopic
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I have verified Linux kernel 3.13.0-54.91 but the right button doesn't work.
In fact, the touchpad doesn't work at all.
** Tags removed: verification-needed-trusty
** Tags added: verification-failed-trusty
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This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
utopic' to 'verification-done-utopic'.
If verification is not done by 5 working days from
This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
trusty' to 'verification-done-trusty'.
If verification is not done by 5 working days from
Regarding comment #2, #4 #8, our QA just still reproduce the problem by
Seth's commit today.
Our QA can not reproduce the problem yesterday by using the same patch.
Sorry for any inconvenience.
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On Thu, May 28, 2015 at 07:48:23AM -0500, Seth Forshee wrote:
This doesn't make any sense to me. All of the detection done by this
patch happens when the device is probed, and once INPUT_PROP_BUTTONPAD
is set it shouldn't get cleared later due to heavy load. The device is
defined in the ACPI
Because the hardware has some problem that it will miss some packs of the
touchpad events randomly.
It will cause some unpredictable results, but Seth's commit just avoid some
situation that will cause the abnormal behavior under the condition of comment
#4.
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additional info of #4,
the machine is Dell XPS 13 (2015) with HiDPI, HID: multitouch: add support
of clickpads is not enough to fix its problem, also needs HID: multitouch:
Add support for button type usage
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We found under some extreme system usage that comment #2 can fix the
problem.
Run some application/operation (e.g: Play youtube on background, launch
libreoffice for awhile (about 5-10min) or insert USB to copy some files
: The touchpad cursor were no function after some operation, sometime it
the other patch has been submitted to kernel-team@
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https://bugs.launchpad.net/bugs/1456881
Title:
Some touchpads' right button doesn't work under I2C mode, need support
** Also affects: linux (Ubuntu Utopic)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Utopic)
Status: New = Fix Committed
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** Also affects: linux (Ubuntu Trusty)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Trusty)
Status: New = Fix Committed
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patch for trusty and utopic has been submitted to kernel-team@. vivid
has that commit already.
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https://bugs.launchpad.net/bugs/1456881
Title:
Some touchpads' right button
** Changed in: hwe-next
Status: New = In Progress
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Title:
Some touchpads' right button doesn't work under I2C mode, need
It seems the following commit in vivid is also needed for the better
support for trusty and utopic.
Author: Seth Forshee seth.fors...@canonical.com
AuthorDate: Fri Mar 20 11:06:52 2015 -0500
Commit: Andy Whitcroft a...@canonical.com
CommitDate: Fri Mar 27 10:44:38 2015 +
HID:
On the only sample I have (the xps 13 9343) either patch gets the job
done. The reason we have both upstream is that they both were sent to
the linux-input list at about the same time, and both got picked up.
There _may_ be cases where one works and the other doesn't, but I'm not
currently aware
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