[Bug 107174] New: [CI][SKL][IOMMU] drv_selftests fail with i915: probe of 0000:00:02.0 failed with error -5

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=107174

            Bug ID: 107174
           Summary: [CI][SKL][IOMMU] drv_selftests fail with i915: probe
                    of 0000:00:02.0 failed with error -5
           Product: DRI
           Version: DRI git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: tomi.p.sarvela at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Continuing with the series of "Initial findings" with Intel-GFX-CI and i915
selftests.

SKL with IOMMU enabled fail the following tests with:
i915: probe of 0000:00:02.0 failed with error -5

drv_selftest at live_contexts
drv_selftest at live_evict
drv_selftest at live_execlists
drv_selftest at live_hangcheck
drv_selftest at live_hugepages
drv_selftest at live_objects
drv_selftest at live_requests

Example trace:

[  269.607978] Setting dangerous option live_selftests - tainting kernel
[  269.857336] i915 0000:00:02.0: [drm:i915_gem_init [i915]] Failed to
initialize GPU, declaring it wedged!
[  269.965442] i915: probe of 0000:00:02.0 failed with error -5

Full traces:

https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_4460/fi-skl-iommu/igt@drv_selftest@live_hangcheck.html

https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_4460/fi-skl-iommu/igt@drv_selftest@live_sanitycheck.html

https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_4460/fi-skl-iommu/igt@drv_selftest@live_objects.html

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