Created attachment 260923 [details] dmesg from hibernating Hey, When testing v4.15-rc1 on intel's continuous integration systems, we noticed a regression where after hibernate no interrupts are delivered to the i915 driver any more. After some false leads, I've bisected it down to commit fdba46ffb4c203b6e6794163493fd310f98bb4be (HEAD, refs/bisect/bad) Author: Thomas Gleixner <tglx@linutronix.de> Date: Wed Sep 13 23:29:27 2017 +0200 x86/apic: Get rid of multi CPU affinity Reverting the commit isn't easily done, because other commits in that tree appear to depend on it. See also https://bugs.freedesktop.org/show_bug.cgi?id=103712 A revert of the entire pull request appears to make the problem go away, see results at: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_7333/shards.html As of this writing, only sandy bridge and haswell results are there, but other results will be posted when they become available.
fyi: https://bugs.freedesktop.org/show_bug.cgi?id=103712 only handle the issues for SNB. There is more information from other machines is this bug: https://bugs.freedesktop.org/show_bug.cgi?id=103951