normal status: Screen 0: minimum 320 x 200, current 1920 x 1080, maximum 16384 x 16384 DP-1 disconnected (normal left inverted right x axis y axis) HDMI-1 disconnected (normal left inverted right x axis y axis) DP-2 disconnected (normal left inverted right x axis y axis) HDMI-2 disconnected (normal left inverted right x axis y axis) DP-3 connected primary 1920x1080+0+0 (normal left inverted right x axis y axis) 527mm x 296mm 1920x1080 60.00*+ 50.00 59.94 1920x1080i 60.00 50.00 59.94 1600x900 60.00 1280x1024 75.02 60.02 1152x864 75.00 1280x720 60.00 50.00 59.94 1024x768 75.03 60.00 800x600 75.00 60.32 720x576 50.00 720x480 60.00 59.94 640x480 75.00 60.00 59.94 720x400 70.08
abnormal status: xrandr -d :0 Can't open display :0 -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1916573 Title: display can not wake up from sleeping. Status in linux package in Ubuntu: New Bug description: os system: ubuntu 20.04.2 LTS when I press the keyboard, I saw new log from ssh terminal. /var/log/kern.log Feb 23 17:31:56 shaozj-HPDesk kernel: [23628.303887] [drm:lspcon_wait_mode [i915]] *ERROR* LSPCON mode hasn't settled Feb 23 17:31:56 shaozj-HPDesk kernel: [23628.307888] i915 0000:00:02.0: [drm] *ERROR* Link Training Unsuccessful Feb 23 17:32:48 shaozj-HPDesk kernel: [23679.346636] [drm:lspcon_wait_mode [i915]] *ERROR* LSPCON mode hasn't settled Feb 23 17:32:48 shaozj-HPDesk kernel: [23679.350790] i915 0000:00:02.0: [drm] *ERROR* Link Training Unsuccessful To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1916573/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp