[ 452.397142][ T3143] [ 452.397467][ T3143] ============================= [ 452.398281][ T3143] WARNING: suspicious RCU usage [ 452.398454][ T3143] 6.12.0-rc4-virtme #1 Not tainted [ 452.398630][ T3143] ----------------------------- [ 452.398801][ T3143] kernel/events/core.c:13962 RCU-list traversed in non-reader section!! [ 452.399046][ T3143] [ 452.399046][ T3143] other info that might help us debug this: [ 452.399046][ T3143] [ 452.399364][ T3143] [ 452.399364][ T3143] rcu_scheduler_active = 2, debug_locks = 1 [ 452.399615][ T3143] 3 locks held by poweroff/3143: [ 452.399791][ T3143] #0: ffffffff8e22df68 (system_transition_mutex){+.+.}-{3:3}, at: __do_sys_reboot+0x26b/0x2d0 [ 452.400165][ T3143] #1: ffffffff8e22ac70 ((reboot_notifier_list).rwsem){++++}-{3:3}, at: blocking_notifier_call_chain+0x50/0x90 [ 452.400543][ T3143] #2: ffffffff8e4ad8c8 (pmus_lock){+.+.}-{3:3}, at: perf_event_exit_cpu_context+0x24/0xf0 [ 452.400898][ T3143] [ 452.400898][ T3143] stack backtrace: [ 452.401392][ T3143] CPU: 1 UID: 0 PID: 3143 Comm: poweroff Not tainted 6.12.0-rc4-virtme #1 [ 452.401654][ T3143] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 452.402021][ T3143] Call Trace: [ 452.402159][ T3143] [ 452.402254][ T3143] dump_stack_lvl+0xb0/0xd0 [ 452.402435][ T3143] lockdep_rcu_suspicious+0x1ea/0x280 [ 452.402611][ T3143] perf_event_clear_cpumask+0x61d/0x8f0 [ 452.402780][ T3143] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 452.402954][ T3143] ? __pfx_perf_event_clear_cpumask+0x10/0x10 [ 452.403160][ T3143] ? acpi_execute_simple_method+0xaa/0xe0 [ 452.403338][ T3143] ? __pfx_acpi_execute_simple_method+0x10/0x10 [ 452.403552][ T3143] perf_event_exit_cpu_context+0x2c/0xf0 [ 452.403718][ T3143] perf_reboot+0x7c/0xe0 [ 452.403859][ T3143] ? trace_notifier_run+0xe2/0x140 [ 452.404031][ T3143] notifier_call_chain+0xcd/0x150 [ 452.404206][ T3143] blocking_notifier_call_chain+0x66/0x90 [ 452.404377][ T3143] kernel_power_off+0x1c/0xb0 [ 452.404543][ T3143] __do_sys_reboot+0x270/0x2d0 [ 452.404710][ T3143] ? __pfx___do_sys_reboot+0x10/0x10 [ 452.404884][ T3143] ? __lock_release+0x103/0x460 [ 452.405049][ T3143] ? do_user_addr_fault+0x972/0xe30 [ 452.405230][ T3143] ? __pfx___lock_release+0x10/0x10 [ 452.405396][ T3143] ? __up_read+0x1a7/0x780 [ 452.405565][ T3143] ? trace_lock_acquire+0x14d/0x1f0 [ 452.405733][ T3143] ? __pfx___up_read+0x10/0x10 [ 452.405916][ T3143] ? do_writev+0xf9/0x280 [ 452.406045][ T3143] ? do_writev+0xf9/0x280 [ 452.406172][ T3143] ? __pfx_do_writev+0x10/0x10 [ 452.406342][ T3143] ? do_user_addr_fault+0x97c/0xe30 [ 452.406518][ T3143] do_syscall_64+0xc1/0x1d0 [ 452.406689][ T3143] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 452.406895][ T3143] RIP: 0033:0x7fc8b8864197 [ 452.407072][ T3143] 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 [ 452.407646][ T3143] RSP: 002b:00007fff8fd4d318 EFLAGS: 00000246 ORIG_RAX: 00000000000000a9 [ 452.407916][ T3143] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fc8b8864197 [ 452.408163][ T3143] RDX: 000000004321fedc RSI: 0000000028121969 RDI: 00000000fee1dead [ 452.408409][ T3143] RBP: 0000000000000000 R08: 00007fff8fd4c5d0 R09: 00000000ffffffff [ 452.408661][ T3143] R10: 000000000000001e R11: 0000000000000246 R12: 0000000000000002 [ 452.408920][ T3143] R13: 0000000000000001 R14: 00005647b1a2d803 R15: 00007fc8b8cfa000 [ 452.409188][ T3143] [ 452.411335][ T3143] ACPI: PM: Preparing to enter system sleep state S5 [ 452.421666][ T3143] kvm: exiting hardware virtualization [ 452.422144][ T3143] reboot: Power down