igt@perf@subtests - incomplete - INFO: task perf* blocked for more than 30 seconds.

https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_11086/shard-kbl4/igt@perf@stress-open-close.html

<6> [657.586995] Console: switching to colour dummy device 80x25
<6> [657.587121] [IGT] perf: executing
<6> [657.596459] Console: switching to colour frame buffer device 240x67
<6> [657.624705] [IGT] perf: starting subtest stress-open-close
<7> [657.624914] i915 0000:00:02.0: [drm:i915_gem_context_create_ioctl [i915]] HW context 1 created
<3> [695.237766] INFO: task perf:1120 blocked for more than 30 seconds.
<3> [695.237784] Tainted: G W 5.16.0-CI-CI_DRM_11086+ #1
<3> [695.237792] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
<6> [695.237797] task:perf state:D stack:12568 pid: 1120 ppid: 964 flags:0x00000000
<6> [695.237822] Call Trace:
<6> [695.240470] <TASK>
<6> [695.240510] __schedule+0x42c/0xaa0
<6> [695.240535] ? _raw_spin_unlock_irqrestore+0x3d/0x60
<6> [695.240695] schedule+0x3f/0xc0
<6> [695.240720] __i915_active_wait+0xb1/0xf0 [i915]
<6> [695.241491] ? init_wait_var_entry+0x40/0x40
<6> [695.241542] i915_oa_stream_init.isra.40+0x5ac/0x810 [i915]
<6> [695.242411] ? kmem_cache_alloc_trace+0x1de/0x250
<6> [695.242456] i915_perf_open_ioctl+0x1d0/0x7d0 [i915]
<6> [695.243284] ? find_held_lock+0x2d/0x90
<6> [695.243299] ? i915_oa_init_reg_state+0x130/0x130 [i915]
<6> [695.243456] drm_ioctl_kernel+0xae/0x140
<6> [695.243467] drm_ioctl+0x201/0x3d0
<6> [695.243475] ? i915_oa_init_reg_state+0x130/0x130 [i915]
<6> [695.243644] ? call_rcu+0x148/0x2b0
<6> [695.243655] __x64_sys_ioctl+0x6d/0xa0
<6> [695.243661] do_syscall_64+0x3a/0xb0
<6> [695.243665] entry_SYSCALL_64_after_hwframe+0x44/0xae
<6> [695.243668] RIP: 0033:0x7fef863e450b
<6> [695.243671] RSP: 002b:00007ffcce65a718 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<6> [695.243674] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fef863e450b
<6> [695.243676] RDX: 00007ffcce65a9f0 RSI: 0000000040106476 RDI: 0000000000000005
<6> [695.243678] RBP: 00007ffcce65a9f0 R08: 00007ffcce66b170 R09: 0000000000000000
<6> [695.243680] R10: 00007ffcce66b1b0 R11: 0000000000000246 R12: 0000000040106476
<6> [695.243681] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000