It's not specific to rhythmbox, reassigning to gtk but it might be freetype or something else in the stack. Could you add your journalctl log just after seeing the issue? What videocard/driver do you use? Do you get the problem at random time or maybe sometime after suspend/resume for example?
** Package changed: rhythmbox (Ubuntu) => gtk+3.0 (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to gtk+3.0 in Ubuntu. https://bugs.launchpad.net/bugs/1767162 Title: Random stripes and dots Status in gtk+3.0 package in Ubuntu: New Bug description: Ubuntu 18.04 LTS. Random stripes and dots appear on some texts. It happens on various applications. See the attached (an example of Rhythmbox). To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gtk+3.0/+bug/1767162/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
