** Description changed: https://gitlab.freedesktop.org/drm/intel/issues/614 the fix released as CVE-2019-0154 increases idle power consumption on intel i915 6th gen and later. - That's because the GPU does not enter RC6 any more. + That's because the GPU does not enter RC6 any more. - For example, my Thinkpad P50 (6th gen) idles at 9w with current 5.3 kernels. Previously, it idled at 5W. - Effects on a T480 (8th gen) are less dramatic but still significant. + For example, my Thinkpad P50 (6th gen) idles at 9w with current 5.3 kernels. Previously, it idled at 5W. + Effects on a T480 (8th gen) are less dramatic but still significant. + 5.5RC1 has the maintainer's second pass at this, which restores RC6 + idling - 5.5RC1 has the maintainers second pass at this, which restores RC6 idling - - The maintainers patch for 5.3 is here: - https://gitlab.freedesktop.org/drm/intel/issues/614#note_366057 + The maintainer's patch for 5.3 is here: + https://gitlab.freedesktop.org/drm/intel/issues/614#note_366057 I have applied this to tag Ubuntu-hwe-5.3.0-25.27~18.04.2 and it builds. I am testing it now. I think it would be very helpful to backport this if you can.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1856653 Title: CVE-2019-0154 caused major power problem, pls backport maintainers fix To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1856653/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
