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[Bug 1593124] Re: Palm rejection for MS Precision Touchpad causes touchpad unusable
** Also affects: hwe-next/xenial
Assignee: Phidias (phidias-chiang)
** Also affects: hwe-next/yakkety
** Changed in: hwe-next/yakkety
Assignee: (unassigned) => Phidias (phidias-chiang)
** Bug watch added: Linux Kernel Bug Tracker #112791
** Also affects: linux via
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Palm rejection for MS Precision Touchpad causes touchpad unusable
Status in HWE Next:
Status in HWE Next xenial series:
Status in HWE Next yakkety series:
Status in Linux:
Status in linux package in Ubuntu:
Sometimes touchpad doesn't work properly after palm is rejected. The
pointer either jumping around (described on bugzilla) or doesn't
move at all (in our cases).
This problem is introduced with commit:
25a84db15b3f3a24d3ea7d2baf90693bcff34b0c (HID: multitouch: enable palm
rejection if device implements confidence usage), by reverting it the
touchpad can work properly.
We also contacted with Synaptics, and they provided a workaround to
fix this issue. Not sure if the workaround will be upstreamed and
needs to keep co-working with them.
Commit 25a84db applies to Xenial and Yakkety so only these two release
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