[Expired for xorg (Ubuntu) because there has been no activity for 60
days.]
** Changed in: xorg (Ubuntu)
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/1363070
Title:
USB Mouse cursor jumps and buttons get deactivated with two PS/2
devices connected
Status in xorg package in Ubuntu:
Expired
Bug description:
This happens when two PS/2 devices are connected at the same time and a USB
mouse is primarily used (eg using a Laptop with a PS/2 touchpad with an
external USB mouse)
Symptoms: after a while (can be 10 minutes or 1 hour) the mouse cursor starts
randomly to jump (mostly down) and up and then the mouse buttons get
deactivated (clicking does not have any effect). In that case, moving the mouse
marks the underlying text (thus imitating a continuous left-click). This
malbehaviour can be temporarily stopped when shortly using one PS/2 device.
After a while the same symptoms reappear.
Setup:
Dell D430 docked to a Dell D/dock PD01x. The second PS/2 device is an
(switched off) Logitech TrackMan Live! (infrared mouse connected via a PS/2
receiver).
This bug appears under 12.04 LTS Unity and 14.04 with Xfce, KDE or Unity
(always using the latest kernels). Using KDE the bug appears more often than
when using XFCE.
To resolve the issue:
disconnect the external Trackman Live PS/2 device from the docking station.
This bug drove me crazy. Only by accident I disconnected the Trackman
and since then my USB mouse works well again. I verified that the bug
reappears as soon as I connect the TrackMan again and I used different
USB mice (as I thought that it might be a USB problem). It did not
happen under Windows, so it is not hardware related.
If this bug is going to be followed up I can test with a normal PS/2
mouse (instead of the TrackMan Live) if the same bug happens or would
be happy to provide logging data.
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