[ 6324.816248][T28686] 
[ 6324.816866][T28686] =============================
[ 6324.817025][T28686] WARNING: suspicious RCU usage
[ 6324.817179][T28686] 6.12.0-rc5-virtme #1 Not tainted
[ 6324.817335][T28686] -----------------------------
[ 6324.817502][T28686] kernel/events/core.c:13962 RCU-list traversed in non-reader section!!
[ 6324.817728][T28686] 
[ 6324.817728][T28686] other info that might help us debug this:
[ 6324.817728][T28686] 
[ 6324.818015][T28686] 
[ 6324.818015][T28686] rcu_scheduler_active = 2, debug_locks = 1
[ 6324.818234][T28686] 3 locks held by poweroff/28686:
[ 6324.818387][T28686]  #0: ffffffffb142df68 (system_transition_mutex){+.+.}-{3:3}, at: __do_sys_reboot+0x26b/0x2d0
[ 6324.818719][T28686]  #1: ffffffffb142ac70 ((reboot_notifier_list).rwsem){++++}-{3:3}, at: blocking_notifier_call_chain+0x50/0x90
[ 6324.819066][T28686]  #2: ffffffffb16adb08 (pmus_lock){+.+.}-{3:3}, at: perf_event_exit_cpu_context+0x24/0xf0
[ 6324.819375][T28686] 
[ 6324.819375][T28686] stack backtrace:
[ 6324.819572][T28686] CPU: 1 UID: 0 PID: 28686 Comm: poweroff Not tainted 6.12.0-rc5-virtme #1
[ 6324.819835][T28686] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6324.820167][T28686] Call Trace:
[ 6324.820324][T28686]  <TASK>
[ 6324.820413][T28686]  dump_stack_lvl+0xb0/0xd0
[ 6324.820575][T28686]  lockdep_rcu_suspicious+0x1ea/0x280
[ 6324.820733][T28686]  perf_event_clear_cpumask+0x61d/0x8f0
[ 6324.820888][T28686]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 6324.821045][T28686]  ? __pfx_perf_event_clear_cpumask+0x10/0x10
[ 6324.821232][T28686]  ? acpi_execute_simple_method+0xaa/0xe0
[ 6324.821386][T28686]  ? __pfx_acpi_execute_simple_method+0x10/0x10
[ 6324.821584][T28686]  perf_event_exit_cpu_context+0x2c/0xf0
[ 6324.821740][T28686]  perf_reboot+0x7c/0xe0
[ 6324.821854][T28686]  ? trace_notifier_run+0xe2/0x140
[ 6324.822010][T28686]  notifier_call_chain+0xcd/0x150
[ 6324.822170][T28686]  blocking_notifier_call_chain+0x66/0x90
[ 6324.822326][T28686]  kernel_power_off+0x1c/0xb0
[ 6324.822481][T28686]  __do_sys_reboot+0x270/0x2d0
[ 6324.822642][T28686]  ? __pfx___do_sys_reboot+0x10/0x10
[ 6324.822802][T28686]  ? __lock_release+0x103/0x460
[ 6324.822953][T28686]  ? do_user_addr_fault+0x972/0xe30
[ 6324.823108][T28686]  ? __pfx___lock_release+0x10/0x10
[ 6324.823263][T28686]  ? __up_read+0x1a7/0x780
[ 6324.823419][T28686]  ? trace_lock_acquire+0x14d/0x1f0
[ 6324.823572][T28686]  ? __pfx___up_read+0x10/0x10
[ 6324.823730][T28686]  ? do_writev+0xf9/0x280
[ 6324.823844][T28686]  ? do_writev+0xf9/0x280
[ 6324.823962][T28686]  ? __pfx_do_writev+0x10/0x10
[ 6324.824111][T28686]  ? do_user_addr_fault+0x97c/0xe30
[ 6324.824269][T28686]  do_syscall_64+0xc1/0x1d0
[ 6324.824425][T28686]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 6324.824609][T28686] RIP: 0033:0x7f024553c197
[ 6324.824776][T28686] 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
[ 6324.825311][T28686] RSP: 002b:00007fffac609b98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a9
[ 6324.825548][T28686] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f024553c197
[ 6324.825777][T28686] RDX: 000000004321fedc RSI: 0000000028121969 RDI: 00000000fee1dead
[ 6324.826005][T28686] RBP: 0000000000000000 R08: 00007fffac608e50 R09: 00000000ffffffff
[ 6324.826236][T28686] R10: 000000000000001e R11: 0000000000000246 R12: 0000000000000002
[ 6324.826463][T28686] R13: 0000000000000001 R14: 000056297248a803 R15: 00007f02459d2000
[ 6324.826709][T28686]  </TASK>
[ 6324.828932][T28686] ACPI: PM: Preparing to enter system sleep state S5
[ 6324.831531][T28686] kvm: exiting hardware virtualization
[ 6324.831855][T28686] reboot: Power down