igt@gem_persistent_relocs@forked-faulting-reloc-thrash-inactive - incomplete

https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_16248/shard-skl9/igt@gem_persistent_relocs@forked-faulting-reloc-thrash-inactive.html

<6> [571.488434] Console: switching to colour dummy device 80x25
<6> [571.488994] [IGT] gem_persistent_relocs: executing
<7> [571.602553] [drm:intel_power_well_enable [i915]] enabling DC off
<7> [571.603279] [drm:gen9_set_dc_state [i915]] Setting DC state from 02 to 00
<6> [571.653499] [IGT] gem_persistent_relocs: starting subtest forked-faulting-reloc-thrash-inactive
<7> [571.707967] [drm:intel_power_well_disable [i915]] disabling DC off
<7> [571.708495] [drm:skl_enable_dc6 [i915]] Enabling DC6
<7> [571.709145] [drm:gen9_set_dc_state [i915]] Setting DC state from 00 to 02
<5> [571.731103] Setting dangerous option prefault_disable - tainting kernel
<5> [571.785995] Setting dangerous option prefault_disable - tainting kernel
<5> [571.815085] Setting dangerous option prefault_disable - tainting kernel
<5> [571.880609] Setting dangerous option prefault_disable - tainting kernel
<7> [572.114446] [drm:intel_power_well_enable [i915]] enabling DC off
<7> [572.115324] [drm:gen9_set_dc_state [i915]] Setting DC state from 02 to 00

No GEM_BUG_ON as in #530 (closed).