I was able to install kernel 4.1.0-040100rc4-generic and this reported activity was NOT present
** Tags removed: kernel-unable-to-test-upstream ** Tags added: kernel-fixed-upstream -- 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/1456596 Title: DELL XPS 13 (9343) Strange, seemingly perpetual repeat of drm activity Status in linux package in Ubuntu: Confirmed Bug description: This laptop came factory preinstalled with Ubuntu, but due to problems had been modified. Most recent apport info from a few minutes ago is here: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1456585 dmesg output is added. There is about once every second this activity: [ 217.650626] [drm:intel_display_power_put] disabling display [ 217.650632] [drm:hsw_set_power_well] Requesting to disable the power well [ 217.682626] [drm:intel_display_power_get] enabling display [ 217.682631] [drm:hsw_set_power_well] Enabling power well dmesg output after cold boot, login to the desktop, starting the terminal, and leaving it for a few minutes is attached. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1456596/+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
