igt@gem_ctx_persistence@smoketest - incomplete - general protection fault, probably for non-canonical address 0x6b6b6b6b6b6b7c63:

https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_11678/shard-glk9/igt@gem_ctx_persistence@smoketest.html

<4> [182.537815] general protection fault, probably for non-canonical address 0x6b6b6b6b6b6b7c63: 0000 [#1] PREEMPT SMP PTI
<4> [182.537834] CPU: 0 PID: 1350 Comm: gem_ctx_persist Not tainted 5.18.0-rc7-CI_DRM_11678-gc746ef6a479d+ #1
<4> [182.537846] Hardware name: Intel Corporation NUC7CJYH/NUC7JYB, BIOS JYGLKCPX.86A.0027.2018.0125.1347 01/25/2018
<4> [182.537855] RIP: 0010:__lock_acquire+0x612/0x2940
<4> [182.537868] Code: 88 09 00 00 83 f8 2f 0f 87 9c 00 00 00 3b 05 dd 55 0a 02 41 bf 01 00 00 00 0f 86 cd 00 00 00 89 05 cb 55 0a 02 e9 c2 00 00 00 <48> 81 3f 80 45 dc 82 41 bc 00 00 00 00 45 0f 45 e0 83 fe 01 0f 87
<4> [182.537884] RSP: 0018:ffffc9000575bb88 EFLAGS: 00010002
<4> [182.537892] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000
<4> [182.537899] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 6b6b6b6b6b6b7c63
<4> [182.537906] RBP: ffff88811a13a9c0 R08: 0000000000000001 R09: 0000000000000001
<4> [182.537913] R10: 0000000000000001 R11: 00000000ffa3b23b R12: 0000000000000001
<4> [182.537920] R13: 0000000000000000 R14: 0000000000000000 R15: 6b6b6b6b6b6b7c63
<4> [182.537928] FS:  00007f293da00c00(0000) GS:ffff888277c00000(0000) knlGS:0000000000000000
<4> [182.537936] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [182.537942] CR2: 000055dbfd504038 CR3: 0000000125882000 CR4: 0000000000350ef0