[ 403.530484][ T2890] [ 403.530768][ T2890] ============================= [ 403.530942][ T2890] WARNING: suspicious RCU usage [ 403.531116][ T2890] 6.12.0-rc4-virtme #1 Not tainted [ 403.532073][ T2890] ----------------------------- [ 403.532258][ T2890] kernel/events/core.c:13962 RCU-list traversed in non-reader section!! [ 403.532511][ T2890] [ 403.532511][ T2890] other info that might help us debug this: [ 403.532511][ T2890] [ 403.532838][ T2890] [ 403.532838][ T2890] rcu_scheduler_active = 2, debug_locks = 1 [ 403.533089][ T2890] 3 locks held by poweroff/2890: [ 403.533278][ T2890] #0: ffffffff9142df68 (system_transition_mutex){+.+.}-{3:3}, at: __do_sys_reboot+0x26b/0x2d0 [ 403.533644][ T2890] #1: ffffffff9142ac70 ((reboot_notifier_list).rwsem){++++}-{3:3}, at: blocking_notifier_call_chain+0x50/0x90 [ 403.534041][ T2890] #2: ffffffff916ad8c8 (pmus_lock){+.+.}-{3:3}, at: perf_event_exit_cpu_context+0x24/0xf0 [ 403.534771][ T2890] [ 403.534771][ T2890] stack backtrace: [ 403.534989][ T2890] CPU: 3 UID: 0 PID: 2890 Comm: poweroff Not tainted 6.12.0-rc4-virtme #1 [ 403.535247][ T2890] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 403.535636][ T2890] Call Trace: [ 403.535769][ T2890] [ 403.535860][ T2890] dump_stack_lvl+0xb0/0xd0 [ 403.536039][ T2890] lockdep_rcu_suspicious+0x1ea/0x280 [ 403.536215][ T2890] perf_event_clear_cpumask+0x61d/0x8f0 [ 403.536396][ T2890] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 403.536572][ T2890] ? __pfx_perf_event_clear_cpumask+0x10/0x10 [ 403.536784][ T2890] ? acpi_execute_simple_method+0xaa/0xe0 [ 403.536956][ T2890] ? __pfx_acpi_execute_simple_method+0x10/0x10 [ 403.537178][ T2890] perf_event_exit_cpu_context+0x2c/0xf0 [ 403.537353][ T2890] perf_reboot+0x7c/0xe0 [ 403.537482][ T2890] ? trace_notifier_run+0xe2/0x140 [ 403.537655][ T2890] notifier_call_chain+0xcd/0x150 [ 403.537833][ T2890] blocking_notifier_call_chain+0x66/0x90 [ 403.538003][ T2890] kernel_power_off+0x1c/0xb0 [ 403.538172][ T2890] __do_sys_reboot+0x270/0x2d0 [ 403.538341][ T2890] ? __pfx___do_sys_reboot+0x10/0x10 [ 403.538513][ T2890] ? __lock_release+0x103/0x460 [ 403.538684][ T2890] ? do_user_addr_fault+0x972/0xe30 [ 403.538856][ T2890] ? __pfx___lock_release+0x10/0x10 [ 403.539026][ T2890] ? __up_read+0x1a7/0x780 [ 403.539195][ T2890] ? trace_lock_acquire+0x14d/0x1f0 [ 403.539363][ T2890] ? __pfx___up_read+0x10/0x10 [ 403.539538][ T2890] ? do_writev+0xf9/0x280 [ 403.539667][ T2890] ? do_writev+0xf9/0x280 [ 403.539797][ T2890] ? __pfx_do_writev+0x10/0x10 [ 403.539964][ T2890] ? do_user_addr_fault+0x97c/0xe30 [ 403.540142][ T2890] do_syscall_64+0xc1/0x1d0 [ 403.540329][ T2890] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 403.540555][ T2890] RIP: 0033:0x7fc95e835197 [ 403.540732][ T2890] 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 [ 403.541316][ T2890] RSP: 002b:00007ffdbfdd9078 EFLAGS: 00000246 ORIG_RAX: 00000000000000a9 [ 403.541582][ T2890] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fc95e835197 [ 403.541835][ T2890] RDX: 000000004321fedc RSI: 0000000028121969 RDI: 00000000fee1dead [ 403.542094][ T2890] RBP: 0000000000000000 R08: 00007ffdbfdd8330 R09: 00000000ffffffff [ 403.542346][ T2890] R10: 000000000000001e R11: 0000000000000246 R12: 0000000000000002 [ 403.542595][ T2890] R13: 0000000000000001 R14: 000056289721c803 R15: 00007fc95eccb000 [ 403.542870][ T2890] [ 403.544943][ T2890] ACPI: PM: Preparing to enter system sleep state S5 [ 403.546677][ T2890] kvm: exiting hardware virtualization [ 403.547075][ T2890] reboot: Power down