nouveau driver causes black graphic issues on gnome apps

Submitted by Geroge T

Assigned to Nouveau Project

Link to original bug (#106657)

Description

With nvidia proprietary driver no problem, but with nouveau, some gnome apps display black color items. See attachments. It happen on tested kernels "linux-image-4.15.0-22-generic" and "linux-image-4.15.0-23-generic" on ubuntu bionic-proposed.