I'm on Ubuntu 17.10 ... laptop has external monitor using HDMI cable and see this message I've never noticed before
dmesg ... [drm] HPD interrupt storm detected on connector HDMI-A-2: switching from hotplug detection to polling details : uname -m && uname -r && cat /etc/*release x86_64 4.11.0-13-generic DISTRIB_ID=Ubuntu DISTRIB_RELEASE=17.10 DISTRIB_CODENAME=artful DISTRIB_DESCRIPTION="Ubuntu Artful Aardvark (development branch)" NAME="Ubuntu" VERSION="17.10 (Artful Aardvark)" ID=ubuntu ID_LIKE=debian -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1360545 Title: [trusty] [drm] HPD interrupt storm detected on connector DP-1: switching from hotplug detection to polling To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1360545/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs