I heard this might be due to old bios, which my system certainly has.. so verify you have the latest from the vendor (mine is from intel, and no updates available for test hw, so..)
-- 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/1564759 Title: [i915_bpo] Disable RC6 on SKL GT3 & GT4 Status in DRI: Incomplete Status in linux package in Ubuntu: Triaged Status in linux source package in Xenial: Triaged Bug description: Runtime power management causes GPU hangs on SKL GT3 & GT4 ("Iris" & "Iris Pro"), so disable it until the bug(s) are fixed. To manage notifications about this bug go to: https://bugs.launchpad.net/dri/+bug/1564759/+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