[ 251.846287][ T1094] [ 251.846565][ T1094] ============================= [ 251.846747][ T1094] WARNING: suspicious RCU usage [ 251.846907][ T1094] 6.12.0-rc4-virtme #1 Not tainted [ 251.847088][ T1094] ----------------------------- [ 251.847243][ T1094] kernel/events/core.c:13962 RCU-list traversed in non-reader section!! [ 251.847500][ T1094] [ 251.847500][ T1094] other info that might help us debug this: [ 251.847500][ T1094] [ 251.847831][ T1094] [ 251.847831][ T1094] rcu_scheduler_active = 2, debug_locks = 1 [ 251.848094][ T1094] 3 locks held by poweroff/1094: [ 251.848262][ T1094] #0: ffffffffb821a628 (system_transition_mutex){+.+.}-{3:3}, at: __do_sys_reboot+0x26b/0x2d0 [ 251.848785][ T1094] #1: ffffffffb8217330 ((reboot_notifier_list).rwsem){++++}-{3:3}, at: blocking_notifier_call_chain+0x50/0x90 [ 251.849180][ T1094] #2: ffffffffb84a34a8 (pmus_lock){+.+.}-{3:3}, at: perf_event_exit_cpu_context+0x24/0xf0 [ 251.849508][ T1094] [ 251.849508][ T1094] stack backtrace: [ 251.849711][ T1094] CPU: 1 UID: 0 PID: 1094 Comm: poweroff Not tainted 6.12.0-rc4-virtme #1 [ 251.849977][ T1094] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 251.850323][ T1094] Call Trace: [ 251.850469][ T1094] [ 251.850557][ T1094] dump_stack_lvl+0xb0/0xd0 [ 251.850727][ T1094] lockdep_rcu_suspicious+0x1ea/0x280 [ 251.850889][ T1094] perf_event_clear_cpumask+0x61d/0x8f0 [ 251.851045][ T1094] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 251.851207][ T1094] ? __pfx_perf_event_clear_cpumask+0x10/0x10 [ 251.851414][ T1094] ? acpi_execute_simple_method+0xaa/0xe0 [ 251.851666][ T1094] ? __pfx_acpi_execute_simple_method+0x10/0x10 [ 251.851907][ T1094] perf_event_exit_cpu_context+0x2c/0xf0 [ 251.852113][ T1094] perf_reboot+0x7c/0xe0 [ 251.852229][ T1094] ? trace_notifier_run+0xe2/0x140 [ 251.852385][ T1094] notifier_call_chain+0xcd/0x150 [ 251.852555][ T1094] blocking_notifier_call_chain+0x66/0x90 [ 251.852712][ T1094] kernel_power_off+0x1c/0xb0 [ 251.852863][ T1094] __do_sys_reboot+0x270/0x2d0 [ 251.853017][ T1094] ? __pfx___do_sys_reboot+0x10/0x10 [ 251.853172][ T1094] ? __lock_release+0x103/0x460 [ 251.853335][ T1094] ? do_user_addr_fault+0x972/0xe30 [ 251.853511][ T1094] ? __pfx___lock_release+0x10/0x10 [ 251.853663][ T1094] ? __up_read+0x1a7/0x780 [ 251.853827][ T1094] ? trace_lock_acquire+0x14d/0x1f0 [ 251.853982][ T1094] ? __pfx___up_read+0x10/0x10 [ 251.854136][ T1094] ? do_writev+0xf9/0x280 [ 251.854253][ T1094] ? do_writev+0xf9/0x280 [ 251.854369][ T1094] ? __pfx_do_writev+0x10/0x10 [ 251.854545][ T1094] ? do_user_addr_fault+0x97c/0xe30 [ 251.854734][ T1094] do_syscall_64+0xc1/0x1d0 [ 251.854894][ T1094] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 251.855100][ T1094] RIP: 0033:0x7f0042e51197 [ 251.855264][ T1094] 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 [ 251.855845][ T1094] RSP: 002b:00007ffcd15263d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a9 [ 251.856094][ T1094] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f0042e51197 [ 251.856326][ T1094] RDX: 000000004321fedc RSI: 0000000028121969 RDI: 00000000fee1dead [ 251.856581][ T1094] RBP: 0000000000000000 R08: 00007ffcd1525690 R09: 00000000ffffffff [ 251.856809][ T1094] R10: 000000000000001e R11: 0000000000000246 R12: 0000000000000002 [ 251.857059][ T1094] R13: 0000000000000001 R14: 00005557dcd52803 R15: 00007f00432e7000 [ 251.857312][ T1094] [ 251.859901][ T1094] ACPI: PM: Preparing to enter system sleep state S5 [ 251.861524][ T1094] kvm: exiting hardware virtualization [ 251.861863][ T1094] reboot: Power down