igt@gem_exec_whisper@basic-contexts-priority - dmesg-warn - drivers/gpu/drm/i915/gt/gen8_engine_cs.c:\d+ suspicious rcu_dereference_protected() usage!
<4> [168.162394]
<4> [168.162590] =============================
<4> [168.162593] WARNING: suspicious RCU usage
<4> [168.162595] 5.19.0-CI_DRM_11983-gbe61f1600969+ #1 Not tainted
<4> [168.162598] -----------------------------
<4> [168.162599] drivers/gpu/drm/i915/gt/gen8_engine_cs.c:341 suspicious rcu_dereference_protected() usage!
<4> [168.162602]
other info that might help us debug this:
<4> [168.162603]
rcu_scheduler_active = 2, debug_locks = 1
<4> [168.162614] 2 locks held by swapper/5/0:
<4> [168.162616] #0: ffffffff82737540 (rcu_read_lock){....}-{1:2}, at: execlists_submission_tasklet+0x0/0x1bf0 [i915]
<4> [168.162804] #1: ffff88810a2b8820 (&sched_engine->lock){-.-.}-{2:2}, at: execlists_submission_tasklet+0x1a3/0x1bf0 [i915]
<4> [168.162930]
stack backtrace:
<4> [168.162932] CPU: 5 PID: 0 Comm: swapper/5 Not tainted 5.19.0-CI_DRM_11983-gbe61f1600969+ #1
<4> [168.162948] Hardware name: Intel Corporation Ice Lake Client Platform/IceLake U DDR4 SODIMM PD RVP, BIOS ICLSFWR1.R00.3234.A01.1906141750 06/14/2019
<4> [168.162950] Call Trace:
<4> [168.162953] <IRQ>
<4> [168.162956] dump_stack_lvl+0x56/0x7f
<4> [168.162962] hwsp_offset+0x64/0x70 [i915]
<4> [168.163084] gen11_emit_fini_breadcrumb_rcs+0xd/0x1c0 [i915]
<4> [168.163199] __i915_request_submit+0x150/0x380 [i915]
<4> [168.163337] execlists_submission_tasklet+0xaf1/0x1bf0 [i915]
<4> [168.163466] ? tasklet_action_common.isra.20+0xe8/0xf0
<4> [168.163476] tasklet_action_common.isra.20+0xb3/0xf0
<4> [168.163482] __do_softirq+0xdc/0x497
<4> [168.163494] irq_exit_rcu+0xaa/0xf0
<4> [168.163496] common_interrupt+0xb9/0xd0
<4> [168.163501] </IRQ>
<4> [168.163502] <TASK>
<4> [168.163507] asm_common_interrupt+0x22/0x40
<4> [168.163510] RIP: 0010:cpuidle_enter_state+0x104/0x4a0
<4> [168.163515] Code: 02 00 00 31 ff e8 9c 05 84 ff 45 84 ff 74 12 9c 58 f6 c4 02 0f 85 42 03 00 00 31 ff e8 25 e0 8a ff e8 20 fc 8e ff fb 45 85 f6 <0f> 88 16 01 00 00 49 63 d6 4c 2b 24 24 48 8d 04 52 48 8d 04 82 49
<4> [168.163518] RSP: 0018:ffffc90000143e88 EFLAGS: 00000202
<4> [168.163522] RAX: 0000000000000005 RBX: 0000000000000001 RCX: 0000000000000000
<4> [168.163524] RDX: 0000000000000000 RSI: ffffffff823aab78 RDI: ffffffff8234a42f
<4> [168.163526] RBP: ffffe8ffffcb64b0 R08: 0000000000000001 R09: 0000000000000001
<4> [168.163529] R10: 0000000000000001 R11: ffff88849fcba344 R12: 000000272741d1ec
<4> [168.163531] R13: ffffffff827a6ac0 R14: 0000000000000001 R15: 0000000000000000
<4> [168.163547] ? cpuidle_enter_state+0x100/0x4a0
<4> [168.163555] cpuidle_enter+0x24/0x40
<4> [168.163560] do_idle+0x22a/0x250
<4> [168.163569] cpu_startup_entry+0x14/0x20
<4> [168.163573] start_secondary+0x10f/0x130
<4> [168.163578] secondary_startup_64_no_verify+0xce/0xdb
<4> [168.163596] </TASK>
<7> [170.247250] i915 0000:00:02.0: [drm:intel_pps_vdd_off_sync_unlocked [i915]] Turning [ENCODER:238:DDI A/PHY A] VDD off
<7> [170.248610] i915 0000:00:02.0: [drm:intel_pps_vdd_off_sync_unlocked [i915]] PP_STATUS: 0x80000008 PP_CONTROL: 0x00000067
<7> [170.249022] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling DC_off
<7> [170.249519] i915 0000:00:02.0: [drm:skl_enable_dc6 [i915]] Enabling DC6
<7> [170.250162] i915 0000:00:02.0: [drm:gen9_set_dc_state.part.15 [i915]] Setting DC state from 00 to 02
<6> [176.165924] [IGT] gem_exec_whisper: exiting, ret=0
<6> [176.198317] Console: switching to colour frame buffer device 480x135