[ 6627.881866][ T6493] 
[ 6627.882117][ T6493] =============================
[ 6627.882273][ T6493] WARNING: suspicious RCU usage
[ 6627.882434][ T6493] 6.12.0-rc4-virtme #1 Not tainted
[ 6627.882599][ T6493] -----------------------------
[ 6627.882753][ T6493] kernel/events/core.c:13962 RCU-list traversed in non-reader section!!
[ 6627.882973][ T6493] 
[ 6627.882973][ T6493] other info that might help us debug this:
[ 6627.882973][ T6493] 
[ 6627.883522][ T6493] 
[ 6627.883522][ T6493] rcu_scheduler_active = 2, debug_locks = 1
[ 6627.883754][ T6493] 3 locks held by poweroff/6493:
[ 6627.883911][ T6493]  #0: ffffffffabc2df68 (system_transition_mutex){+.+.}-{3:3}, at: __do_sys_reboot+0x26b/0x2d0
[ 6627.884249][ T6493]  #1: ffffffffabc2ac70 ((reboot_notifier_list).rwsem){++++}-{3:3}, at: blocking_notifier_call_chain+0x50/0x90
[ 6627.884667][ T6493]  #2: ffffffffabead8c8 (pmus_lock){+.+.}-{3:3}, at: perf_event_exit_cpu_context+0x24/0xf0
[ 6627.884991][ T6493] 
[ 6627.884991][ T6493] stack backtrace:
[ 6627.885178][ T6493] CPU: 1 UID: 0 PID: 6493 Comm: poweroff Not tainted 6.12.0-rc4-virtme #1
[ 6627.885403][ T6493] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6627.885745][ T6493] Call Trace:
[ 6627.885863][ T6493]  <TASK>
[ 6627.885944][ T6493]  dump_stack_lvl+0xb0/0xd0
[ 6627.886102][ T6493]  lockdep_rcu_suspicious+0x1ea/0x280
[ 6627.886263][ T6493]  perf_event_clear_cpumask+0x61d/0x8f0
[ 6627.886415][ T6493]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 6627.886569][ T6493]  ? __pfx_perf_event_clear_cpumask+0x10/0x10
[ 6627.886758][ T6493]  ? acpi_execute_simple_method+0xaa/0xe0
[ 6627.886912][ T6493]  ? __pfx_acpi_execute_simple_method+0x10/0x10
[ 6627.887102][ T6493]  perf_event_exit_cpu_context+0x2c/0xf0
[ 6627.887253][ T6493]  perf_reboot+0x7c/0xe0
[ 6627.887365][ T6493]  ? trace_notifier_run+0xe2/0x140
[ 6627.887517][ T6493]  notifier_call_chain+0xcd/0x150
[ 6627.887695][ T6493]  blocking_notifier_call_chain+0x66/0x90
[ 6627.887850][ T6493]  kernel_power_off+0x1c/0xb0
[ 6627.888005][ T6493]  __do_sys_reboot+0x270/0x2d0
[ 6627.888159][ T6493]  ? __pfx___do_sys_reboot+0x10/0x10
[ 6627.888318][ T6493]  ? __lock_release+0x103/0x460
[ 6627.888469][ T6493]  ? do_user_addr_fault+0x972/0xe30
[ 6627.888623][ T6493]  ? __pfx___lock_release+0x10/0x10
[ 6627.888786][ T6493]  ? __up_read+0x1a7/0x780
[ 6627.888942][ T6493]  ? trace_lock_acquire+0x14d/0x1f0
[ 6627.889093][ T6493]  ? __pfx___up_read+0x10/0x10
[ 6627.889249][ T6493]  ? do_writev+0xf9/0x280
[ 6627.889365][ T6493]  ? do_writev+0xf9/0x280
[ 6627.889480][ T6493]  ? __pfx_do_writev+0x10/0x10
[ 6627.889633][ T6493]  ? do_user_addr_fault+0x97c/0xe30
[ 6627.889792][ T6493]  do_syscall_64+0xc1/0x1d0
[ 6627.889945][ T6493]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 6627.890130][ T6493] RIP: 0033:0x7f8b15ce5197
[ 6627.890290][ T6493] 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
[ 6627.890811][ T6493] RSP: 002b:00007ffddd4e8278 EFLAGS: 00000246 ORIG_RAX: 00000000000000a9
[ 6627.891040][ T6493] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f8b15ce5197
[ 6627.891266][ T6493] RDX: 000000004321fedc RSI: 0000000028121969 RDI: 00000000fee1dead
[ 6627.891491][ T6493] RBP: 0000000000000000 R08: 00007ffddd4e7530 R09: 00000000ffffffff
[ 6627.891738][ T6493] R10: 000000000000001e R11: 0000000000000246 R12: 0000000000000002
[ 6627.891966][ T6493] R13: 0000000000000001 R14: 0000561f1dfaa803 R15: 00007f8b1617b000
[ 6627.892213][ T6493]  </TASK>
[ 6627.894879][ T6493] ACPI: PM: Preparing to enter system sleep state S5
[ 6627.896407][ T6493] kvm: exiting hardware virtualization
[ 6627.896780][ T6493] reboot: Power down