[ 54.229697][ T409] [ 54.229912][ T409] ============================= [ 54.230211][ T409] WARNING: suspicious RCU usage [ 54.230369][ T409] 6.12.0-rc5-virtme #1 Not tainted [ 54.230525][ T409] ----------------------------- [ 54.230677][ T409] kernel/events/core.c:13962 RCU-list traversed in non-reader section!! [ 54.230906][ T409] [ 54.230906][ T409] other info that might help us debug this: [ 54.230906][ T409] [ 54.231214][ T409] [ 54.231214][ T409] rcu_scheduler_active = 2, debug_locks = 1 [ 54.231438][ T409] 3 locks held by poweroff/409: [ 54.231593][ T409] #0: ffffffff9a419ee8 (system_transition_mutex){+.+.}-{3:3}, at: __do_sys_reboot+0x26b/0x2d0 [ 54.231920][ T409] #1: ffffffff9a416bf0 ((reboot_notifier_list).rwsem){++++}-{3:3}, at: blocking_notifier_call_chain+0x50/0x90 [ 54.232284][ T409] #2: ffffffff9a6984e8 (pmus_lock){+.+.}-{3:3}, at: perf_event_exit_cpu_context+0x24/0xf0 [ 54.232617][ T409] [ 54.232617][ T409] stack backtrace: [ 54.232830][ T409] CPU: 1 UID: 0 PID: 409 Comm: poweroff Not tainted 6.12.0-rc5-virtme #1 [ 54.233061][ T409] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 54.233399][ T409] Call Trace: [ 54.233525][ T409] [ 54.233608][ T409] dump_stack_lvl+0xb0/0xd0 [ 54.233769][ T409] lockdep_rcu_suspicious+0x1ea/0x280 [ 54.233929][ T409] perf_event_clear_cpumask+0x61d/0x8f0 [ 54.234085][ T409] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 54.234248][ T409] ? __pfx_perf_event_clear_cpumask+0x10/0x10 [ 54.234439][ T409] ? acpi_execute_simple_method+0xaa/0xe0 [ 54.234593][ T409] ? __pfx_acpi_execute_simple_method+0x10/0x10 [ 54.234789][ T409] perf_event_exit_cpu_context+0x2c/0xf0 [ 54.234946][ T409] perf_reboot+0x7c/0xe0 [ 54.235063][ T409] ? trace_notifier_run+0xe2/0x140 [ 54.235246][ T409] notifier_call_chain+0xcd/0x150 [ 54.235409][ T409] blocking_notifier_call_chain+0x66/0x90 [ 54.235573][ T409] kernel_power_off+0x1c/0xb0 [ 54.235726][ T409] __do_sys_reboot+0x270/0x2d0 [ 54.235881][ T409] ? __pfx___do_sys_reboot+0x10/0x10 [ 54.236037][ T409] ? __lock_release+0x103/0x460 [ 54.236189][ T409] ? do_user_addr_fault+0x972/0xe30 [ 54.236348][ T409] ? __pfx___lock_release+0x10/0x10 [ 54.236499][ T409] ? __up_read+0x1a7/0x780 [ 54.236652][ T409] ? trace_lock_acquire+0x14d/0x1f0 [ 54.236807][ T409] ? __pfx___up_read+0x10/0x10 [ 54.236966][ T409] ? do_writev+0xf9/0x280 [ 54.237088][ T409] ? do_writev+0xf9/0x280 [ 54.237205][ T409] ? __pfx_do_writev+0x10/0x10 [ 54.237354][ T409] ? do_user_addr_fault+0x97c/0xe30 [ 54.237514][ T409] do_syscall_64+0xc1/0x1d0 [ 54.237671][ T409] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 54.237859][ T409] RIP: 0033:0x7f889e9e0197 [ 54.238018][ T409] 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 [ 54.238547][ T409] RSP: 002b:00007ffcd2984c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a9 [ 54.238777][ T409] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f889e9e0197 [ 54.239005][ T409] RDX: 000000004321fedc RSI: 0000000028121969 RDI: 00000000fee1dead [ 54.239232][ T409] RBP: 0000000000000000 R08: 00007ffcd2983ed0 R09: 00000000ffffffff [ 54.239463][ T409] R10: 000000000000001e R11: 0000000000000246 R12: 0000000000000002 [ 54.239695][ T409] R13: 0000000000000001 R14: 000055e86ad68803 R15: 00007f889ee76000 [ 54.239937][ T409] [ 54.242543][ T409] ACPI: PM: Preparing to enter system sleep state S5 [ 54.243900][ T409] kvm: exiting hardware virtualization [ 54.244253][ T409] reboot: Power down