igt@gem_exec_whisper@basic-contexts-priority-all - dmesg-warn - drivers/gpu/drm/i915/gt/gen8_engine_cs.c:\d+ suspicious rcu_dereference_protected() usage!
<4> [171.337269] WARNING: suspicious RCU usage
<4> [171.337271] 6.1.0-rc1-CI_DRM_12271-g7a38a1b38018+ #1 Not tainted
<4> [171.337274] -----------------------------
<4> [171.337276] drivers/gpu/drm/i915/gt/gen8_engine_cs.c:346 suspicious rcu_dereference_protected() usage!
<4> [171.337278]
other info that might help us debug this:
<4> [171.337280]
rcu_scheduler_active = 2, debug_locks = 1
<4> [171.337282] 2 locks held by ksoftirqd/4/34:
<4> [171.337284] #0: ffffffff827379a0 (rcu_read_lock){....}-{1:2}, at: execlists_submission_tasklet+0x0/0x1b90 [i915]
<4> [171.337443] #1: ffff888105037420 (&sched_engine->lock){-.-.}-{2:2}, at: execlists_submission_tasklet+0x522/0x1b90 [i915]
<4> [171.337565]
stack backtrace:
<4> [171.337567] CPU: 4 PID: 34 Comm: ksoftirqd/4 Not tainted 6.1.0-rc1-CI_DRM_12271-g7a38a1b38018+ #1
<4> [171.337569] Hardware name: Intel Corporation Rocket Lake Client Platform/RocketLake S SODIMM RVP, BIOS RKLSFWI1.R00.1164.A00.2004170048 04/17/2020
<4> [171.337571] Call Trace:
<4> [171.337573] <TASK>
<4> [171.337575] dump_stack_lvl+0x56/0x7f
<4> [171.337580] hwsp_offset+0x64/0x70 [i915]
<4> [171.337666] gen8_emit_fini_breadcrumb_rcs+0x30/0x1e0 [i915]
<4> [171.337752] __i915_request_submit+0x150/0x370 [i915]
<4> [171.337863] execlists_submission_tasklet+0xaec/0x1b90 [i915]
<4> [171.337963] tasklet_action_common.isra.19+0xb3/0xf0
<4> [171.337969] __do_softirq+0xc0/0x48a
<4> [171.337976] ? smpboot_thread_fn+0x1e/0x260
<4> [171.337979] run_ksoftirqd+0x31/0x60
<4> [171.337981] smpboot_thread_fn+0x1b5/0x260
<4> [171.337985] ? sort_range+0x20/0x20
<4> [171.337987] kthread+0xed/0x120
<4> [171.337990] ? kthread_complete_and_exit+0x20/0x20
<4> [171.337994] ret_from_fork+0x1f/0x30
<4> [171.338007] </TASK>
<6> [177.172114] [IGT] gem_exec_whisper: exiting, ret=0