Comment 58 for bug 1432194

So it seems it has been fixexxxxs in upstream several months ago:
https://bugs.freedesktop.org/show_bug.cgi?id=90047

Anybody from Ubuntu team here?

Also, if someone may try with more updated drivers as theses, maybe it fixes the issue:
https://launchpad.net/~ubuntu-x-swat/+archive/ubuntu/x-updates