Public bug reported: There was errata in the 1.6 Broxton DMC firmware currently in linux- firmware and it no longer loads on 4.7 and higher based systems, which includes i915_bpo now that it has been updated to a 4.7 based backport.
This is the error: [ 2.470468] [drm] Refusing to load old DMC firmware v1.6, please upgrade to v1.7 or later [https://01.org/linuxgraphics/intel-linux-graphics-firmwares]. [ 2.470476] i915 0000:00:02.0: Failed to load DMC firmware [https://01.org/linuxgraphics/intel-linux-graphics-firmwares], disabling runtime power management. Pleae cherry-pick http://git.kernel.org/cgit/linux/kernel/git/firmware /linux-firmware.git/commit/?id=5e976de9e02b55563c28555361a7763bc043f5ec for xenial ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: linux-firmware 1.157.2 ProcVersionSignature: Ubuntu 4.4.0-31.50-generic 4.4.13 Uname: Linux 4.4.0-31-generic x86_64 ApportVersion: 2.20.1-0ubuntu2.1 Architecture: amd64 CurrentDesktop: Unity Date: Thu Jul 21 10:25:01 2016 Dependencies: InstallationDate: Installed on 2016-01-06 (196 days ago) InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Alpha amd64 (20151209) PackageArchitecture: all SourcePackage: linux-firmware UpgradeStatus: No upgrade log present (probably fresh install) ** Affects: linux-firmware (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug xenial -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1605276 Title: Please update linux-firmware to add 1.7 broxton firmware To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-firmware/+bug/1605276/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
