https://bugs.kde.org/show_bug.cgi?id=490623
--- Comment #12 from TraceyC <[email protected]> --- Created attachment 185283 --> https://bugs.kde.org/attachment.cgi?id=185283&action=edit drm_info when external DP monitor will not display I experienced this twice today, both when resuming from sleep. The symptoms were only slightly different Laptop, plugged into dock, connected to two external displays M1 - Displayport M2 - HDMI Steps to reproduce Disabled M2 from Display Configuration Used system for a while, then put it to sleep and removed the docking cable Woke system from sleep Plugged in docking cable - laptop and DP monitor M1 should wake Observed: M1 black, with backlight, no cursor, no warning about no signal. Plasma acts as if the monitor is connected, Display Config shows its connected and enabled. Ran drm_info Enabled M2 in Display Configuration Observed: M2 enabled properly and displaying desktop M1 now displays desktop On the second attempt to reproduce, I ran through the same steps This time, after enabling M2, M1 stayed blank in the same state as the prior attempt After changing the refresh rate, M1 lit up -- You are receiving this mail because: You are watching all bug changes.
