[Bug 107426] New: i915 kernel driver unable to initialize device (-28) ( Xeon E3-1275 v6 ) unless Aperture size <= 128MB

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=107426

            Bug ID: 107426
           Summary: i915 kernel driver unable to initialize device (-28) (
                    Xeon E3-1275 v6 ) unless Aperture size <= 128MB
           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: c.spoelstra at mobileviewpoint.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 140880
  --> https://bugs.freedesktop.org/attachment.cgi?id=140880&action=edit
dmesg with drm.debug=0xff

OS: Ubuntu 16.04.4 LTS
Kernel: 4.17.4
CPU: Intel(R) Xeon(R) CPU E3-1275 v6 @ 3.80GHz
MotherBoard: SuperMicro X11SAT-F

The i915 kernel driver is not able to initialize the Intel GPU unless the
Aperture size in the BIOS is set to 128MB or less.
Doing this results in quite some problems for our use case though.

Attached logging (dmesg with drm.debug=0xff) and other information about the
system.

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