Thank you to report this bug and make ubuntu better!
Please if you file a bug, use ubuntu-bug yourpackage from terminal
so useful info pulls into the bug and the developers can debug
your issue a better way.
You can still apport-collect 1878618 in this stage to pull
your info into this existing bug.
Maybe also attach your dmesg log and a screenshot of the tearing.
Thank you to report this bug and make ubuntu better!
Please if you file a bug, use ubuntu-bug yourpackage from terminal
so useful info pulls into the bug and the developers can debug
your issue a better way.
You can still apport-collect 1878618 in this stage to pull
your info into this existing bug.
Maybe also attach your dmesg log and a screenshot of the tearing.
Thank you!