[ 3235.602756][T20135] 
[ 3235.602980][T20135] =============================
[ 3235.603143][T20135] WARNING: suspicious RCU usage
[ 3235.604136][T20135] 6.12.0-rc4-virtme #1 Not tainted
[ 3235.604392][T20135] -----------------------------
[ 3235.604564][T20135] kernel/events/core.c:13962 RCU-list traversed in non-reader section!!
[ 3235.604806][T20135] 
[ 3235.604806][T20135] other info that might help us debug this:
[ 3235.604806][T20135] 
[ 3235.605118][T20135] 
[ 3235.605118][T20135] rcu_scheduler_active = 2, debug_locks = 1
[ 3235.605441][T20135] 3 locks held by poweroff/20135:
[ 3235.605605][T20135]  #0: ffffffffa583dee8 (system_transition_mutex){+.+.}-{3:3}, at: __do_sys_reboot+0x26b/0x2d0
[ 3235.605965][T20135]  #1: ffffffffa583abf0 ((reboot_notifier_list).rwsem){++++}-{3:3}, at: blocking_notifier_call_chain+0x50/0x90
[ 3235.606429][T20135]  #2: ffffffffa5abc528 (pmus_lock){+.+.}-{3:3}, at: perf_event_exit_cpu_context+0x24/0xf0
[ 3235.606763][T20135] 
[ 3235.606763][T20135] stack backtrace:
[ 3235.606964][T20135] CPU: 0 UID: 0 PID: 20135 Comm: poweroff Not tainted 6.12.0-rc4-virtme #1
[ 3235.607243][T20135] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 3235.607810][T20135] Call Trace:
[ 3235.607941][T20135]  <TASK>
[ 3235.608029][T20135]  dump_stack_lvl+0xb0/0xd0
[ 3235.608196][T20135]  lockdep_rcu_suspicious+0x1ea/0x280
[ 3235.608365][T20135]  perf_event_clear_cpumask+0x61d/0x8f0
[ 3235.608530][T20135]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 3235.608701][T20135]  ? __pfx_perf_event_clear_cpumask+0x10/0x10
[ 3235.608903][T20135]  ? acpi_execute_simple_method+0xaa/0xe0
[ 3235.609066][T20135]  ? __pfx_acpi_execute_simple_method+0x10/0x10
[ 3235.609273][T20135]  perf_event_exit_cpu_context+0x2c/0xf0
[ 3235.609436][T20135]  perf_reboot+0x7c/0xe0
[ 3235.609557][T20135]  ? trace_notifier_run+0xe2/0x140
[ 3235.609727][T20135]  notifier_call_chain+0xcd/0x150
[ 3235.609894][T20135]  blocking_notifier_call_chain+0x66/0x90
[ 3235.610057][T20135]  kernel_power_off+0x1c/0xb0
[ 3235.610216][T20135]  __do_sys_reboot+0x270/0x2d0
[ 3235.610380][T20135]  ? __pfx___do_sys_reboot+0x10/0x10
[ 3235.610543][T20135]  ? __lock_release+0x103/0x460
[ 3235.610701][T20135]  ? do_user_addr_fault+0x972/0xe30
[ 3235.610861][T20135]  ? __pfx___lock_release+0x10/0x10
[ 3235.611034][T20135]  ? __up_read+0x1a7/0x780
[ 3235.611195][T20135]  ? trace_lock_acquire+0x14d/0x1f0
[ 3235.611357][T20135]  ? __pfx___up_read+0x10/0x10
[ 3235.611522][T20135]  ? do_writev+0xf9/0x280
[ 3235.611647][T20135]  ? do_writev+0xf9/0x280
[ 3235.611772][T20135]  ? __pfx_do_writev+0x10/0x10
[ 3235.611932][T20135]  ? do_user_addr_fault+0x97c/0xe30
[ 3235.612102][T20135]  do_syscall_64+0xc1/0x1d0
[ 3235.612266][T20135]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 3235.612473][T20135] RIP: 0033:0x7f077dd65197
[ 3235.612642][T20135] Code: 0b 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa 89 fa be 69 19 12 28 bf ad de e1 fe b8 a9 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 39 3c 0b 00 f7 d8 64 89 02 b8
[ 3235.613203][T20135] RSP: 002b:00007ffc4fd95658 EFLAGS: 00000246 ORIG_RAX: 00000000000000a9
[ 3235.613445][T20135] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f077dd65197
[ 3235.613688][T20135] RDX: 000000004321fedc RSI: 0000000028121969 RDI: 00000000fee1dead
[ 3235.613928][T20135] RBP: 0000000000000000 R08: 00007ffc4fd94910 R09: 00000000ffffffff
[ 3235.614167][T20135] R10: 000000000000001e R11: 0000000000000246 R12: 0000000000000002
[ 3235.614404][T20135] R13: 0000000000000001 R14: 000055754d40d803 R15: 00007f077e1fb000
[ 3235.614665][T20135]  </TASK>
[ 3235.617622][T20135] ACPI: PM: Preparing to enter system sleep state S5
[ 3235.618854][T20135] kvm: exiting hardware virtualization
[ 3235.619142][T20135] reboot: Power down