Hi, I dont if its related or not. But I have a Dell Inspiron 14R that was working great with his HDMI port for another monitor but it stop working I dont know if it was an update of ubuntu or any other configuration. in dmesg I get this error:
[14531.399160] [drm] HPD interrupt storm detected on connector HDMI-A-1: switching from hotplug detection to polling I also did a "dmesg | grep drm" and found this: [ 1.015753] [drm] Initialized drm 1.1.0 20060810 [ 1.039022] [drm] hdmi device not found 2 0 1 [ 2.398709] [drm] Initialized nouveau 1.1.2 20120801 for 0000:02:00.0 on minor 0 [ 2.399884] [drm] Memory usable by graphics device = 2048M [ 2.399890] fb: conflicting fb hw usage inteldrmfb vs EFI VGA - removing generic driver [ 2.450388] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). [ 2.450389] [drm] Driver supports precise vblank timestamp query. [ 2.496242] fbcon: inteldrmfb (fb0) is primary device [ 3.368304] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device [ 3.371959] [drm] Initialized i915 1.6.0 20080730 for 0000:00:02.0 on minor 1 [ 3.826317] [drm] Enabling RC6 states: RC6 on, RC6p on, RC6pp off [11943.335954] [drm] GMBUS [i915 gmbus dpb] timed out, falling back to bit banging on pin 5 [14531.399160] [drm] HPD interrupt storm detected on connector HDMI-A-1: switching from hotplug detection to polling Let me know what information should i upload to get more information. Regards -- 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/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 _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
