igt@gem_mmap_gtt@big-copy-xy - dmesg-fail - GEM_BUG_ON(fence->vma && fence->vma->fence != fence)
https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_665/fi-gdg-551/igt@gem_mmap_gtt@big-copy-xy.html#dmesg-warnings4
0> [114.973634] perf_pmu-1017 0.... 106789139us : intel_rps_mark_interactive: 0000:00:02.0 mark interactive: yes
<0> [114.973859] kworker/-109 0.... 106799576us : intel_rps_mark_interactive: 0000:00:02.0 mark interactive: no
<0> [114.974082] <...>-1019 0.... 110355837us : fence_find: fence_find:328 GEM_BUG_ON(fence->vma && fence->vma->fence != fence)
<0> [114.974212] ---------------------------------
<4> [120.619774] ------------[ cut here ]------------
<2> [120.619785] kernel BUG at drivers/gpu/drm/i915/gt/intel_ggtt_fencing.c:328!
<4> [120.619887] invalid opcode: 0000 [#1] PREEMPT SMP PTI
<4> [120.619905] CPU: 0 PID: 1019 Comm: gem_mmap_gtt Tainted: G W 5.9.0-rc6-gb058a44fd6ca8-drmtip_665+ #1
<4> [120.619929] Hardware name: Dell Inc. OptiPlex GX280 /0G8310, BIOS A04 02/09/2005
<4> [120.620129] RIP: 0010:fence_find+0xb2/0xc0 [i915]
<4> [120.620143] Code: 00 48 c7 c2 38 20 24 a0 48 c7 c7 a7 fc 09 a0 e8 a4 ad 10 e1 bf 01 00 00 00 e8 aa 7f 10 e1 31 f6 bf 09 00 00 00 e8 6e 18 01 e1 <0f> 0b 66 90 66 2e 0f 1f 84 00 00 00 00 00 41 57 41 56 48 85 f6 41
<4> [120.620184] RSP: 0000:ffffc90000297c90 EFLAGS: 00010246
<4> [120.620199] RAX: 0000000000000200 RBX: 0000000000000000 RCX: 0000000000000006
<4> [120.620216] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000009
<4> [120.620233] RBP: ffff888000025480 R08: 0000000000000001 R09: 0000000000000001
<4> [120.620250] R10: 00000000657b6c59 R11: 0000000087f5a783 R12: ffff888000025480
<4> [120.620267] R13: ffff88803af29ba0 R14: ffff888000025480 R15: 0000000000000000
<4> [120.620285] FS: 00007fb770cc6e40(0000) GS:ffff88803e200000(0000) knlGS:0000000000000000
<4> [120.620306] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [120.620320] CR2: 00007ffeb01397b0 CR3: 000000003a482000 CR4: 00000000000006f0
<4> [120.620337] Call Trace:
<4> [120.620444] __i915_vma_pin_fence+0xfc/0x370 [i915]
<4> [120.620567] ? vm_fault_gtt+0x195/0xa80 [i915]
<4> [120.620671] i915_vma_pin_fence+0x96/0x200 [i915]
<4> [120.620794] vm_fault_gtt+0x3b5/0xa80 [i915]
<4> [120.620816] ? __lock_acquire+0x909/0x1f50
<4> [120.620838] __do_fault+0x45/0x100
<4> [120.620850] handle_mm_fault+0x1055/0x1810
<4> [120.620871] exc_page_fault+0x393/0x650
<4> [120.620885] ? asm_exc_page_fault+0x8/0x30
<4> [120.620898] asm_exc_page_fault+0x1e/0x30
<4> [120.620910] RIP: 0033:0x556b09e762fb
<4> [120.620922] Code: 40 00 00 00 ba 40 00 00 00 89 ef 45 31 ff 45 31 f6 e8 99 f9 ff ff 4c 8b 6c 24 10 4d 39 f4 74 3b b8 01 00 00 00 44 89 fa 29 c2 <41> 89 54 85 fc 48 ff c0 48 3d 01 04 00 00 75 eb 48 8d 3d d1 40 00
<4> [120.620961] RSP: 002b:00007ffe06e56830 EFLAGS: 00010296
<4> [120.620975] RAX: 0000000000000001 RBX: 0000000010001000 RCX: 0000000000010000
<4> [120.620991] RDX: 00000000ffff53ff RSI: 000000000000abff RDI: 0000556b09e7a3e3
<4> [120.621007] RBP: 0000000000000006 R08: 0000000000000147 R09: 000000000000001b
<4> [120.621023] R10: 0000000000000056 R11: 0000000000000246 R12: 0000000000010000
<4> [120.621039] R13: 00007fb74ee07000 R14: 000000000000ac00 R15: 00000000ffff5400
<4> [120.621062] Modules linked in: vgem i915 lpc_ich tg3 ptp pps_core prime_numbers [last unloaded: test_drm_modeset]
<4> [120.634708] ---[ end trace 0eead189eeb3b720 ]---