[ 316.067451][ T1839] [ 316.067701][ T1839] ============================= [ 316.067882][ T1839] WARNING: suspicious RCU usage [ 316.068051][ T1839] 6.12.0-rc4-virtme #1 Not tainted [ 316.068214][ T1839] ----------------------------- [ 316.068376][ T1839] kernel/events/core.c:13962 RCU-list traversed in non-reader section!! [ 316.068615][ T1839] [ 316.068615][ T1839] other info that might help us debug this: [ 316.068615][ T1839] [ 316.069123][ T1839] [ 316.069123][ T1839] rcu_scheduler_active = 2, debug_locks = 1 [ 316.069380][ T1839] 3 locks held by poweroff/1839: [ 316.069550][ T1839] #0: ffffffffb2c1a628 (system_transition_mutex){+.+.}-{3:3}, at: __do_sys_reboot+0x26b/0x2d0 [ 316.069908][ T1839] #1: ffffffffb2c17330 ((reboot_notifier_list).rwsem){++++}-{3:3}, at: blocking_notifier_call_chain+0x50/0x90 [ 316.070279][ T1839] #2: ffffffffb2ea34a8 (pmus_lock){+.+.}-{3:3}, at: perf_event_exit_cpu_context+0x24/0xf0 [ 316.070610][ T1839] [ 316.070610][ T1839] stack backtrace: [ 316.070826][ T1839] CPU: 1 UID: 0 PID: 1839 Comm: poweroff Not tainted 6.12.0-rc4-virtme #1 [ 316.071083][ T1839] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 316.071456][ T1839] Call Trace: [ 316.071584][ T1839] [ 316.071676][ T1839] dump_stack_lvl+0xb0/0xd0 [ 316.071864][ T1839] lockdep_rcu_suspicious+0x1ea/0x280 [ 316.072042][ T1839] perf_event_clear_cpumask+0x61d/0x8f0 [ 316.072225][ T1839] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 316.072416][ T1839] ? __pfx_perf_event_clear_cpumask+0x10/0x10 [ 316.072644][ T1839] ? acpi_execute_simple_method+0xaa/0xe0 [ 316.072840][ T1839] ? __pfx_acpi_execute_simple_method+0x10/0x10 [ 316.073049][ T1839] perf_event_exit_cpu_context+0x2c/0xf0 [ 316.073218][ T1839] perf_reboot+0x7c/0xe0 [ 316.073345][ T1839] ? trace_notifier_run+0xe2/0x140 [ 316.073516][ T1839] notifier_call_chain+0xcd/0x150 [ 316.073698][ T1839] blocking_notifier_call_chain+0x66/0x90 [ 316.073879][ T1839] kernel_power_off+0x1c/0xb0 [ 316.074057][ T1839] __do_sys_reboot+0x270/0x2d0 [ 316.074244][ T1839] ? __pfx___do_sys_reboot+0x10/0x10 [ 316.074425][ T1839] ? __lock_release+0x103/0x460 [ 316.074604][ T1839] ? do_user_addr_fault+0x972/0xe30 [ 316.074782][ T1839] ? __pfx___lock_release+0x10/0x10 [ 316.074970][ T1839] ? __up_read+0x1a7/0x780 [ 316.075151][ T1839] ? trace_lock_acquire+0x14d/0x1f0 [ 316.075329][ T1839] ? __pfx___up_read+0x10/0x10 [ 316.075508][ T1839] ? do_writev+0xf9/0x280 [ 316.075643][ T1839] ? do_writev+0xf9/0x280 [ 316.075780][ T1839] ? __pfx_do_writev+0x10/0x10 [ 316.075948][ T1839] ? do_user_addr_fault+0x97c/0xe30 [ 316.076116][ T1839] do_syscall_64+0xc1/0x1d0 [ 316.076285][ T1839] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 316.076511][ T1839] RIP: 0033:0x7fe18716c197 [ 316.076697][ T1839] 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 [ 316.077312][ T1839] RSP: 002b:00007ffec1d3c298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a9 [ 316.077578][ T1839] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe18716c197 [ 316.077846][ T1839] RDX: 000000004321fedc RSI: 0000000028121969 RDI: 00000000fee1dead [ 316.078116][ T1839] RBP: 0000000000000000 R08: 00007ffec1d3b550 R09: 00000000ffffffff [ 316.078380][ T1839] R10: 000000000000001e R11: 0000000000000246 R12: 0000000000000002 [ 316.078643][ T1839] R13: 0000000000000001 R14: 00005614a57fd803 R15: 00007fe187602000 [ 316.078929][ T1839] [ 316.081598][ T1839] ACPI: PM: Preparing to enter system sleep state S5 [ 316.083144][ T1839] kvm: exiting hardware virtualization [ 316.083843][ T1839] reboot: Power down