[Bug 98501] New: [i915][HSW] ACPI GPE06 storm

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=98501

            Bug ID: 98501
           Summary: [i915][HSW] ACPI GPE06 storm
           Product: DRI
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: pierre.morrow at free.fr
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 127623
  --> https://bugs.freedesktop.org/attachment.cgi?id=127623&action=edit
dmesg

Hardware: MacBook Pro 11,3 with i7-4850HQ, an Intel Iris Pro 5200 and an NVIDIA
GeForce GT 750M
Architecture: x86_64
Kernel version: 4.8.5
Distribution: ArchLinux
Most likely related: https://bugs.freedesktop.org/show_bug.cgi?id=90014

I need to patch my kernel to actually be able to use the integrated GPU, as
otherwise the EFI firmware turns it off (see
http://lists.gnu.org/archive/html/grub-devel/2014-11/msg00034.html).

With the IGD activated and the i915 driver loaded, there is one kworker using
one core at 70% all the time, and acpi/interrupts/gpe06 growing continuously
increasing. With the IGD activated but i915 has not been loaded, then gpe06
remains at 0 interrupts and there are no kworker using more than 5%.

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