[ 479.397180][ T2558] [ 479.397455][ T2558] ============================= [ 479.397849][ T2558] WARNING: suspicious RCU usage [ 479.398038][ T2558] 6.12.0-rc4-virtme #1 Not tainted [ 479.398217][ T2558] ----------------------------- [ 479.399028][ T2558] kernel/events/core.c:13962 RCU-list traversed in non-reader section!! [ 479.399304][ T2558] [ 479.399304][ T2558] other info that might help us debug this: [ 479.399304][ T2558] [ 479.399669][ T2558] [ 479.399669][ T2558] rcu_scheduler_active = 2, debug_locks = 1 [ 479.399938][ T2558] 3 locks held by poweroff/2558: [ 479.400119][ T2558] #0: ffffffffb6e19ee8 (system_transition_mutex){+.+.}-{3:3}, at: __do_sys_reboot+0x26b/0x2d0 [ 479.400522][ T2558] #1: ffffffffb6e16bf0 ((reboot_notifier_list).rwsem){++++}-{3:3}, at: blocking_notifier_call_chain+0x50/0x90 [ 479.400947][ T2558] #2: ffffffffb70982a8 (pmus_lock){+.+.}-{3:3}, at: perf_event_exit_cpu_context+0x24/0xf0 [ 479.401321][ T2558] [ 479.401321][ T2558] stack backtrace: [ 479.401560][ T2558] CPU: 3 UID: 0 PID: 2558 Comm: poweroff Not tainted 6.12.0-rc4-virtme #1 [ 479.401830][ T2558] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 479.402258][ T2558] Call Trace: [ 479.402399][ T2558] [ 479.402497][ T2558] dump_stack_lvl+0xb0/0xd0 [ 479.402686][ T2558] lockdep_rcu_suspicious+0x1ea/0x280 [ 479.402876][ T2558] perf_event_clear_cpumask+0x61d/0x8f0 [ 479.403063][ T2558] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 479.403255][ T2558] ? __pfx_perf_event_clear_cpumask+0x10/0x10 [ 479.403488][ T2558] ? acpi_execute_simple_method+0xaa/0xe0 [ 479.403676][ T2558] ? __pfx_acpi_execute_simple_method+0x10/0x10 [ 479.403910][ T2558] perf_event_exit_cpu_context+0x2c/0xf0 [ 479.404099][ T2558] perf_reboot+0x7c/0xe0 [ 479.404238][ T2558] ? trace_notifier_run+0xe2/0x140 [ 479.404418][ T2558] notifier_call_chain+0xcd/0x150 [ 479.404611][ T2558] blocking_notifier_call_chain+0x66/0x90 [ 479.404818][ T2558] kernel_power_off+0x1c/0xb0 [ 479.405000][ T2558] __do_sys_reboot+0x270/0x2d0 [ 479.405180][ T2558] ? __pfx___do_sys_reboot+0x10/0x10 [ 479.405368][ T2558] ? __lock_release+0x103/0x460 [ 479.405550][ T2558] ? do_user_addr_fault+0x972/0xe30 [ 479.405731][ T2558] ? __pfx___lock_release+0x10/0x10 [ 479.405908][ T2558] ? __up_read+0x1a7/0x780 [ 479.406087][ T2558] ? trace_lock_acquire+0x14d/0x1f0 [ 479.406274][ T2558] ? __pfx___up_read+0x10/0x10 [ 479.406459][ T2558] ? do_writev+0xf9/0x280 [ 479.406595][ T2558] ? do_writev+0xf9/0x280 [ 479.406734][ T2558] ? __pfx_do_writev+0x10/0x10 [ 479.406924][ T2558] ? do_user_addr_fault+0x97c/0xe30 [ 479.407116][ T2558] do_syscall_64+0xc1/0x1d0 [ 479.407302][ T2558] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 479.407526][ T2558] RIP: 0033:0x7f3ffa462197 [ 479.407720][ T2558] 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 [ 479.408352][ T2558] RSP: 002b:00007ffc8035ea08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a9 [ 479.408625][ T2558] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f3ffa462197 [ 479.408907][ T2558] RDX: 000000004321fedc RSI: 0000000028121969 RDI: 00000000fee1dead [ 479.409170][ T2558] RBP: 0000000000000000 R08: 00007ffc8035dcc0 R09: 00000000ffffffff [ 479.409420][ T2558] R10: 000000000000001e R11: 0000000000000246 R12: 0000000000000002 [ 479.409712][ T2558] R13: 0000000000000001 R14: 000055bd7baa5803 R15: 00007f3ffa8f8000 [ 479.409985][ T2558] [ 479.412305][ T2558] ACPI: PM: Preparing to enter system sleep state S5 [ 479.420752][ T2558] kvm: exiting hardware virtualization [ 479.421281][ T2558] reboot: Power down