igt@gem_create@create-clear(@smem0)? - incomplete - GEM_BUG_ON(rq->reserved_space > ring->space)

https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_12162/re-dg2-14/igt@gem_create@create-clear.html

<6> [583.864267] Console: switching to colour dummy device 80x25
<6> [583.864336] [IGT] gem_create: executing
<6> [583.876795] [IGT] gem_create: starting subtest create-clear
<6> [583.876871] [IGT] gem_create: starting dynamic subtest lmem0
<7> [584.472415] i915 0000:03:00.0: [drm:vm_fault_ttm [i915]] Unable to make resource CPU accessible
<6> [585.139396] [IGT] gem_create: starting dynamic subtest smem0
<7> [585.820961] i915 0000:03:00.0: [drm:vm_fault_ttm [i915]] Unable to make resource CPU accessible
<3> [585.825746] __i915_request_commit:1768 GEM_BUG_ON(rq->reserved_space > ring->space)
<0> [585.833613] Dumping ftrace buffer:
<0> [585.837089] ---------------------------------
<0> [585.841599] CPU:6 [LOST 24815 EVENTS]
gem_cach-1921      6d..1. 369296575us : intel_gt_invalidate_tlb: 0000:03:00.0 invalidated engines 00000002
<0> [585.856104] gem_cach-1921      6..... 369296741us : __intel_context_do_pin_ww: 0000:03:00.0 bcs0: context:426 active
<0> [585.866756] gem_cach-1921      6..... 369296746us : __intel_context_do_pin_ww: 0000:03:00.0 bcs0: context:426 pin ring:{start:feb90000, head:14d0, tail:14f8}
<0> [585.881003] gem_cach-1921      6..... 369298049us : __i915_request_commit: 0000:03:00.0 bcs0: fence 426:986, current 984 
<0> [585.892102] gem_cach-1921      6D..1. 369298056us : __i915_request_submit: 0000:03:00.0 bcs0: fence 426:986, current 984 
<0> [585.903219] gem_cach-1921      6..... 369298792us : __i915_request_commit: 0000:03:00.0 bcs0: fence 426:988, current 986 
<0> [585.914336] gem_cach-1921      6D..1. 369298800us : __i915_request_submit: 0000:03:00.0 bcs0: fence 426:988, current 986