<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - Kernel parameter GRUB_CMDLINE_LINUX_DEFAULT="quiet splash amdgpu.ppfeaturemask=0xffffffff" artifacts" href="https://bugs.freedesktop.org/show_bug.cgi?id=108647#c4">Comment # 4</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - Kernel parameter GRUB_CMDLINE_LINUX_DEFAULT="quiet splash amdgpu.ppfeaturemask=0xffffffff" artifacts" href="https://bugs.freedesktop.org/show_bug.cgi?id=108647">bug 108647</a> from <a class="email" href="mailto:bmilreu@gmail.com" title="bmilreu@gmail.com">bmilreu@gmail.com</a> <pre>(In reply to echarlie from <a href="show_bug.cgi?id=108647#c3">comment #3</a>) > Created <a href="attachment.cgi?id=142682" name="attach_142682" title="dmesg with 4.20.0-rc4 kernel when having the issue">attachment 142682</a> <a href="attachment.cgi?id=142682&action=edit" title="dmesg with 4.20.0-rc4 kernel when having the issue">[details]</a> > dmesg with 4.20.0-rc4 kernel when having the issue > > As I understand, ppfeaturemask is set in order to enable manual performance > level configuration and overclocking (more importantly, the archwiki says > thats what it does, so people will do it). > > I've intermittently had this issue with the 4.18 and 4.20rc* kernels with my > rx 580 (I've mostly been running the 4.14lts kernel, but that has different > issues). Manually setting performance level prevents flickering and > artifacting I see on herbstluftwm (which I coudln't reproduce on openbox). if you dont need overclock per se you can still use manual settings without changing default ppfeaturemask</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the assignee for the bug.</li> <li>You are the QA Contact for the bug.</li> </ul> </body> </html>