igt@perf_pmu@module-unload - dmesg-warn - BUG i915_vma .*: Objects remaining in i915_vma on __kmem_cache_shutdown()
https://intel-gfx-ci.01.org/tree/drm-tip/IGT_6369/shard-snb2/igt@perf_pmu@module-unload.html
<3> [125.766209] =============================================================================
<3> [125.766217] BUG drm_i915_gem_object (Tainted: G B W ): Objects remaining in drm_i915_gem_object on __kmem_cache_shutdown()
<3> [125.766225] -----------------------------------------------------------------------------
<3> [125.766231] Slab 0xffffea000451d800 objects=13 used=1 fp=0xffff888114765800 flags=0x8000000000010200(slab|head|zone=2)
<4> [125.766240] CPU: 1 PID: 1628 Comm: perf_pmu Tainted: G B W 5.17.0-rc7-CI-CI_DRM_11338+ #1
<4> [125.766242] Hardware name: Dell Inc. XPS 8300 /0Y2MRG, BIOS A06 10/17/2011
<4> [125.766242] Call Trace:
<4> [125.766243] <TASK>
<4> [125.766244] dump_stack_lvl+0x56/0x7b
<4> [125.766246] slab_err+0x8f/0xc2
<4> [125.766251] __kmem_cache_shutdown.cold.116+0x39/0x194
<4> [125.766255] kmem_cache_destroy+0x4a/0x130
<4> [125.766257] i915_exit+0x8d/0x2c2 [i915]
<4> [125.766407] __x64_sys_delete_module+0x115/0x1e0
<4> [125.766410] ? lockdep_hardirqs_on+0xbf/0x130
<4> [125.766412] do_syscall_64+0x3a/0xb0
<4> [125.766414] entry_SYSCALL_64_after_hwframe+0x44/0xae
<4> [125.766416] RIP: 0033:0x7f30aff49bcb
<4> [125.766417] Code: 73 01 c3 48 8b 0d c5 82 0c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 b0 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 95 82 0c 00 f7 d8 64 89 01 48
<4> [125.766419] RSP: 002b:00007ffe6274e7a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000b0
<4> [125.766421] RAX: ffffffffffffffda RBX: 000055d9bf3f3870 RCX: 00007f30aff49bcb
<4> [125.766422] RDX: 00007f30b0012be0 RSI: 0000000000000800 RDI: 000055d9bf3f38d8
<4> [125.766423] RBP: 00007f30b0449182 R08: 0000000000000000 R09: 000055d9bf400840
<4> [125.766424] R10: 000055d9bf3c9010 R11: 0000000000000206 R12: 0000000000000000
<4> [125.766425] R13: 00007f30b0450d8a R14: 0000000000000000 R15: 0000000000000000
<4> [125.766428] </TASK>
<3> [125.766430] Object 0xffff888114766b80 @offset=27520
<3> [125.766434] Allocated in i915_gem_object_alloc+0x11/0x30 [i915] age=120808 cpu=3 pid=353
<3> [125.766549] __slab_alloc.isra.84.constprop.98+0x3d/0x70
<3> [125.766554] kmem_cache_alloc+0x244/0x250
<3> [125.766558] i915_gem_object_alloc+0x11/0x30 [i915]
<3> [125.766681] __i915_gem_object_create_internal+0x29/0xa0 [i915]
<3> [125.766793] init_status_page+0x49/0x340 [i915]
<3> [125.766891] intel_engines_init+0x7c/0x3f0 [i915]
<3> [125.766998] intel_gt_init+0x150/0x3b0 [i915]
<3> [125.767096] i915_gem_init+0x14b/0x220 [i915]
<3> [125.767210] i915_driver_probe+0x6f4/0xe00 [i915]
<3> [125.767295] i915_pci_probe+0x53/0x1f0 [i915]
<3> [125.767382] pci_device_probe+0x98/0x110
<3> [125.767386] really_probe+0x1af/0x390
<3> [125.767390] __driver_probe_device+0xf6/0x170
<3> [125.767394] driver_probe_device+0x1a/0x90
<3> [125.767399] __driver_attach+0x93/0x160
<3> [125.767403] bus_for_each_dev+0x75/0xc0
<4> [125.767450] ------------[ cut here ]------------