<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - [KBL]Screen black with some specific refresh rate due to "out of frequency scope"" href="https://bugs.freedesktop.org/show_bug.cgi?id=110308#c12">Comment # 12</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - [KBL]Screen black with some specific refresh rate due to "out of frequency scope"" href="https://bugs.freedesktop.org/show_bug.cgi?id=110308">bug 110308</a> from <a class="email" href="mailto:clinton.a.taylor@intel.com" title="Clinton Taylor <clinton.a.taylor@intel.com>"> Clinton Taylor</a> <pre>(In reply to Lakshmi from <a href="show_bug.cgi?id=110308#c10">comment #10</a>) > (In reply to Ren Chenglei from <a href="show_bug.cgi?id=110308#c0">comment #0</a>) > > Hardware: KBL NUC7i5BNH and display ViewSonic TD2230 > > System: Ubuntu 18.04.2 LTS > > Kernel: Linux 5.1.0-rc3+ x86_64 > > Description: When switch to some specific refresh rate, screen black and > > show with "out of frequency scope", wait for some time it will return to > > last working mode. > > Steps to reproduce: Setting -> Devices -> Displays -> Refresh Rate -> > > 30.00Hz -> Apply. > > Expect results: UI is normal and refresh rate change to 30Hz > > Actual results: Screen black and show with "out of frequency scope", wait > > for some time, it will return to last working mode. > > How is the display connected? e.g HDMI? > > @Clint, any comments from you? I don't see anything in the dmesg log that would show a failure. The HDMI output on the NUC is using LS/PCON and everything looks normal during the set mode. Did this work prior to Kernel 5.1? -Clint</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the QA Contact for the bug.</li> <li>You are the assignee for the bug.</li> <li>You are on the CC list for the bug.</li> </ul> </body> </html>