This bug is missing log files that will aid in diagnosing the problem.
>From a terminal window please run:
apport-collect 1518737
and then change the status of the bug to 'Confirmed'.
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This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1518737
Title:
can not re-enable touchpad
Status in linux package in Ubuntu:
Incomplete
Bug description:
I am running Ubuntu 15.10 (32-bit edition but I know it is also a problem on
64-bit edition) on an Acer Aspire 5738 laptop which has a physical button next
to the touchpad that can toggle the device.
When I hit the button a desktop notification appears, informing me that the
device has been disabled (an icon of a touchpad with an x in the
bottom-right-hand-corner) and I am no longer able to use the touchpad for
anything, as expected.
When I press the button again to re-enable the touchpad, a desktop
notification appears, informing me that the device has been enabled (an icon of
a touchpad with no x in the bottom-right-hand-corner) but the touchpad remains
disabled, i.e I can use it for absolutely nothing. (clicking, scrolling,
pointing, ...)
Logging in and out or restarting the PC enables the touchpad, but I can also
use modprobe to remove and insert psmouse module, which will also cause it to
enable.
When I use the button physically next to the touchpad to enable/disable the
touchpad, it does not affect the toggle switch in the "Mouse and Touchpad"
settings, but if I use that setting (the toggle switch) I can correctly enable
and disable the touchpad.
xinput lists the device under "Virtual core pointer" as an "AlpsPS/2 ALPS
GlidePoint".
BIOS is updated as of today.
If I can be of help in patching the bug, I would love to, but I just have no
idea where to look. I altered the psmouse kernel module to print information to
the logs about various activity (resetting, deactivating) but none of it was
very informative (again, I don't know where to look).
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