igt@gem_create@create-ext-cpu-access-big - abort - kernel BUG at drivers/gpu/drm/i915/gt/intel_migrate

http://gfx-ci.igk.intel.com/cibuglog-ng/testresult/1678792454?query_key=18ef93588c08b3195ed59952645f6b92462b639b

<0> [178.264467] gem_crea-1219      3..... 176868760us : __i915_request_commit: 0000:03:00.0 bcs0: fence 19:2630, current 2626 
<0> [178.264563] gem_crea-1219      3D..1. 176868766us : __i915_request_submit: 0000:03:00.0 bcs0: fence 19:2630, current 2626 
<0> [178.264660] gem_crea-1219      3..... 176868778us : i915_request_retire.part.0: 0000:03:00.0 bcs0: fence 19:2602, current 2627 
<0> [178.264746] gem_crea-1219      3..... 176868873us : emit_pte: emit_pte:449 GEM_BUG_ON(!(((it->dma) & ((typeof(it->dma))(page_size) - 1)) == 0))
<0> [178.264776] ---------------------------------
<4> [178.264966] ------------[ cut here ]------------
<2> [178.264968] kernel BUG at drivers/gpu/drm/i915/gt/intel_migrate.c:449!
<4> [178.264988] invalid opcode: 0000 [#1] PREEMPT SMP NOPTI
<4> [178.264992] CPU: 3 PID: 1219 Comm: gem_create Tainted: G        W          6.8.0-rc1-CI_DRM_14178-gcad255f28ccc+ #1
<4> [178.264997] Hardware name: Intel Corporation CoffeeLake Client Platform/CoffeeLake S UDIMM RVP, BIOS CNLSFWR1.R00.X220.B00.2103302221 03/30/2021
<4> [178.265003] RIP: 0010:emit_pte+0x36a/0x530 [i915]
<4> [178.265118] Code: 00 48 c7 c2 60 c5 88 a0 48 8d 3d 00 00 00 00 e8 3c 1c cf e0 bf 01 00 00 00 e8 b2 de ce e0 31 f6 bf 09 00 00 00 e8 36 1e bb e0 <0f> 0b 48 c7 03 00 00 00 00 4d 89 f1 4c 89 c5 8b 01 48 29 ce 48 8d
<4> [178.265125] RSP: 0018:ffffc90002927450 EFLAGS: 00010246
<4> [178.265129] RAX: 0000000000000200 RBX: ffffc900029274d0 RCX: 0000000000000006
<4> [178.265132] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000009
<4> [178.265135] RBP: 000000000000081b R08: 0000000000000001 R09: 0000000000000001
<4> [178.265138] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000001840000
<4> [178.265141] R13: 0000000000000000 R14: ffff88810720fd40 R15: 0000000000010000
<4> [178.265145] FS:  00007fcd471d6c40(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4> [178.265149] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [178.265152] CR2: 00007f9715a2f000 CR3: 0000000115d80002 CR4: 00000000003706f0