[ 6245.648880][T29822] 
[ 6245.649176][T29822] =============================
[ 6245.649413][T29822] WARNING: suspicious RCU usage
[ 6245.649888][T29822] 6.12.0-rc4-virtme #1 Not tainted
[ 6245.650068][T29822] -----------------------------
[ 6245.650239][T29822] kernel/events/core.c:13962 RCU-list traversed in non-reader section!!
[ 6245.650548][T29822] 
[ 6245.650548][T29822] other info that might help us debug this:
[ 6245.650548][T29822] 
[ 6245.651067][T29822] 
[ 6245.651067][T29822] rcu_scheduler_active = 2, debug_locks = 1
[ 6245.651318][T29822] 3 locks held by poweroff/29822:
[ 6245.651493][T29822]  #0: ffffffff8d62df68 (system_transition_mutex){+.+.}-{3:3}, at: __do_sys_reboot+0x26b/0x2d0
[ 6245.651868][T29822]  #1: ffffffff8d62ac70 ((reboot_notifier_list).rwsem){++++}-{3:3}, at: blocking_notifier_call_chain+0x50/0x90
[ 6245.652272][T29822]  #2: ffffffff8d8ad8c8 (pmus_lock){+.+.}-{3:3}, at: perf_event_exit_cpu_context+0x24/0xf0
[ 6245.652634][T29822] 
[ 6245.652634][T29822] stack backtrace:
[ 6245.652847][T29822] CPU: 3 UID: 0 PID: 29822 Comm: poweroff Not tainted 6.12.0-rc4-virtme #1
[ 6245.653144][T29822] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6245.653519][T29822] Call Trace:
[ 6245.653651][T29822]  <TASK>
[ 6245.653744][T29822]  dump_stack_lvl+0xb0/0xd0
[ 6245.653971][T29822]  lockdep_rcu_suspicious+0x1ea/0x280
[ 6245.654212][T29822]  perf_event_clear_cpumask+0x61d/0x8f0
[ 6245.654426][T29822]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 6245.654600][T29822]  ? __pfx_perf_event_clear_cpumask+0x10/0x10
[ 6245.654812][T29822]  ? acpi_execute_simple_method+0xaa/0xe0
[ 6245.654989][T29822]  ? __pfx_acpi_execute_simple_method+0x10/0x10
[ 6245.655210][T29822]  perf_event_exit_cpu_context+0x2c/0xf0
[ 6245.655386][T29822]  perf_reboot+0x7c/0xe0
[ 6245.655530][T29822]  ? trace_notifier_run+0xe2/0x140
[ 6245.655706][T29822]  notifier_call_chain+0xcd/0x150
[ 6245.655944][T29822]  blocking_notifier_call_chain+0x66/0x90
[ 6245.656172][T29822]  kernel_power_off+0x1c/0xb0
[ 6245.656408][T29822]  __do_sys_reboot+0x270/0x2d0
[ 6245.656579][T29822]  ? __pfx___do_sys_reboot+0x10/0x10
[ 6245.656758][T29822]  ? __lock_release+0x103/0x460
[ 6245.656927][T29822]  ? do_user_addr_fault+0x972/0xe30
[ 6245.657101][T29822]  ? __pfx___lock_release+0x10/0x10
[ 6245.657268][T29822]  ? __up_read+0x1a7/0x780
[ 6245.657441][T29822]  ? trace_lock_acquire+0x14d/0x1f0
[ 6245.657616][T29822]  ? __pfx___up_read+0x10/0x10
[ 6245.657791][T29822]  ? do_writev+0xf9/0x280
[ 6245.657920][T29822]  ? do_writev+0xf9/0x280
[ 6245.658050][T29822]  ? __pfx_do_writev+0x10/0x10
[ 6245.658219][T29822]  ? do_user_addr_fault+0x97c/0xe30
[ 6245.658397][T29822]  do_syscall_64+0xc1/0x1d0
[ 6245.658567][T29822]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 6245.658775][T29822] RIP: 0033:0x7f16ad793197
[ 6245.658953][T29822] 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
[ 6245.659547][T29822] RSP: 002b:00007ffd07162378 EFLAGS: 00000246 ORIG_RAX: 00000000000000a9
[ 6245.659809][T29822] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f16ad793197
[ 6245.660063][T29822] RDX: 000000004321fedc RSI: 0000000028121969 RDI: 00000000fee1dead
[ 6245.660320][T29822] RBP: 0000000000000000 R08: 00007ffd07161630 R09: 00000000ffffffff
[ 6245.660567][T29822] R10: 000000000000001e R11: 0000000000000246 R12: 0000000000000002
[ 6245.660819][T29822] R13: 0000000000000001 R14: 00005564d91fb803 R15: 00007f16adc29000
[ 6245.661094][T29822]  </TASK>
[ 6245.663863][T29822] ACPI: PM: Preparing to enter system sleep state S5
[ 6245.665480][T29822] kvm: exiting hardware virtualization
[ 6245.665914][T29822] reboot: Power down