It is not unity bug, it is a lightdm problem. try to restart lightdm
service
** Package changed: unity (Ubuntu) => lightdm (Ubuntu)
** Changed in: lightdm (Ubuntu)
Status: New => Confirmed
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Touch seeded packages, which is subscribed to lightdm in Ubuntu.
https://bugs.launchpad.net/bugs/1523922
Title:
cursor disappears frequently
Status in Unity:
New
Status in lightdm package in Ubuntu:
Confirmed
Bug description:
A few times a week, my cursor just disappears.
It is still there, reacting to mouse events, I can see hover events,
clicking works too. But the cursor image just disappears which makes
it unusable.
Rebooting is the only solution. Restarting unity doesn't recover it.
To manage notifications about this bug go to:
https://bugs.launchpad.net/unity/+bug/1523922/+subscriptions
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