igt@i915_selftest@mock_timelines - incomplete - GEM_BUG_ON(!i915_vma_is_ggtt(vma))

https://intel-gfx-ci.01.org/tree/drm-tip/IGT_5438/shard-iclb3/igt@i915_selftest@mock_timelines.html

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<6> [34.415175] [IGT] i915_selftest: executing
<6> [34.441753] [IGT] i915_selftest: starting subtest mock_timelines
<5> [34.499058] Setting dangerous option mock_selftests - tainting kernel
<6> [34.520831] i915: Performing mock selftests with st_random_seed=0x464ba87d st_timeout=500
<6> [34.520834] i915: Running timelines
<6> [34.520842] i915: Running intel_timeline_mock_selftests/mock_hwsp_freelist
<7> [34.521349]  mock: [drm:intel_uc_init_early [i915]] enable_guc=0 (guc:no submission:no huc:no)
<3> [34.521944] i915_ggtt_offset:115 GEM_BUG_ON(!i915_vma_is_ggtt(vma))
<0> [34.521976] Dumping ftrace buffer:
<0> [34.521988] ---------------------------------
<0> [34.522068] systemd--396     7.... 8591747us : __intel_gt_reset: 0000:00:02.0 engine_mask=ff
<0> [34.522131] systemd--396     1.... 8830311us : __intel_context_active: 0000:00:02.0 rcs'0: context:4 active
<0> [34.522189] systemd--396     1.... 8830483us : __intel_context_do_pin: 0000:00:02.0 rcs'0: context:4 pin ring:{start:00e11000, head:0000, tail:0000}
<0> [34.522257] systemd--396     1.... 8830816us : __intel_context_active: 0000:00:02.0 bcs'0: context:5 active
<0> [34.522306] systemd--396     1.... 8830840us : __intel_context_do_pin: 0000:00:02.0 bcs'0: context:5 pin ring:{start:00e12000, head:0000, tail:0000}
<0> [34.522361] systemd--396     1.... 8831067us : __intel_context_active: 0000:00:02.0 vcs'0: context:6 active
<0> [34.522410] systemd--396     1.... 8831090us : __intel_context_do_pin: 0000:00:02.0 vcs'0: context:6 pin ring:{start:00e13000, head:0000, tail:0000}
<0> [34.522464] systemd--396     1.... 8831285us : __intel_context_active: 0000:00:02.0 vecs'0: context:7 active
<0> [34.522512] systemd--396     1.... 8831320us : __intel_context_do_pin: 0000:00:02.0 vecs'0: context:7 pin ring:{start:00e14000, head:0000, tail:0000}
<0> [34.522573] systemd--396     1.... 8831337us : intel_gt_resume.part.8: 0000:00:02.0 
<0> [34.522621] systemd--396     1.... 8831394us : __gt_unpark: 0000:00:02.0 
<0> [34.522667] systemd--396     1.... 8831488us : gt_sanitize: 0000:00:02.0 force:yes