igt@perf@stress-open-close@0-rcs0 - incomplete - kernel BUG at drivers/gpu/drm/i915/gt/intel_execlists_submission.*

https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_13423/shard-glk7/igt@perf@stress-open-close@0-rcs0.html#dmesg-warnings121

<0> [138.849537] kworker/-55        0d.s2. 133351695us : execlists_submission_tasklet: 0000:00:02.0 rcs0: expired:yes last=18:374, prio=0, hint=-2147483648, yield?=no
<0> [138.851476] kworker/-55        0d.s2. 133351698us : __i915_request_unsubmit: 0000:00:02.0 rcs0: fence 4:516, current 513 
<0> [138.853397] kworker/-55        0d.s2. 133351701us : __i915_request_unsubmit: 0000:00:02.0 rcs0: fence 4:515, current 513 
<0> [138.855303] kworker/-55        0d.s2. 133351702us : __i915_request_unsubmit: 0000:00:02.0 rcs0: fence 4:514, current 513 
<0> [138.857199] kworker/-55        0d.s2. 133351703us : __i915_request_unsubmit: 0000:00:02.0 rcs0: fence 18:374, current 373 
<0> [138.859058] kworker/-55        0d.s2. 133352327us : execlists_submission_tasklet: defer_request:1104 GEM_BUG_ON(i915_request_has_initial_breadcrumb(w) && __i915_request_has_started(w) && !__i915_request_is_complete(rq))
<0> [138.860851] ---------------------------------
<4> [138.862598] ------------[ cut here ]------------
<2> [138.862603] kernel BUG at drivers/gpu/drm/i915/gt/intel_execlists_submission.c:1104!
<4> [138.864348] invalid opcode: 0000 [#1] PREEMPT SMP PTI
<4> [138.865817] CPU: 0 PID: 55 Comm: kworker/0:2 Tainted: G        W          6.5.0-rc3-CI_DRM_13423-g8e923851af60+ #1
<4> [138.867310] Hardware name: Intel Corporation NUC7CJYH/NUC7JYB, BIOS JYGLKCPX.86A.0057.2020.1020.1637 10/20/2020
<4> [138.868807] Workqueue: events delayed_fput

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