I'm also hit by the bug on Ubuntu 16.04 with kernel 4.4.0-22-generic and a Radeon Mobility HD4670.
@thom : the grep command return only the following line : kernel: [ 3.760078] [drm:radeon_compute_pll_avivo] 107000 - 106980, pll dividers - fb: 63.4 ref: 2, post 8 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1479136 Title: [ubuntu 14.04.2] Artefacts in radeon driver on kernel 3.16 and upwards To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1479136/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
