Just to check: Does your problem of the dp screen disappearing correlate with:
[47766.404715] [drm:intel_dp_check_link_status], TMDS-9: channel EQ not ok, retraining [47766.404927] [drm:intel_dp_start_link_train], training pattern 1 signal levels 00000000 [47766.405653] [drm:intel_dp_start_link_train], training pattern 1 signal levels 02000000 [47766.406376] [drm:intel_dp_start_link_train], training pattern 1 signal levels 06000000 [47766.407098] [drm:intel_dp_start_link_train], training pattern 1 signal levels 00000000 [47766.407820] [drm:intel_dp_start_link_train], training pattern 1 signal levels 06000000 [47766.408541] [drm:intel_dp_start_link_train], training pattern 1 signal levels 00000000 [47766.409263] [drm:intel_dp_start_link_train], training pattern 1 signal levels 06000000 [47766.409985] [drm:intel_dp_start_link_train], training pattern 1 signal levels 00000000 [47766.410707] [drm:intel_dp_start_link_train], training pattern 1 signal levels 06000000 [47766.411428] [drm:intel_dp_start_link_train], training pattern 1 signal levels 00000000 [47766.412150] [drm:intel_dp_start_link_train], clock recovery OK in demsg? -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-intel in Ubuntu. https://bugs.launchpad.net/bugs/999539 Title: displayport monitor shuts off once in a while To manage notifications about this bug go to: https://bugs.launchpad.net/xserver-xorg-video-intel/+bug/999539/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : [email protected] Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
