[ 6597.577639][ T692] [ 6597.577923][ T692] ============================= [ 6597.579324][ T692] WARNING: suspicious RCU usage [ 6597.579582][ T692] 6.12.0-rc4-virtme #1 Not tainted [ 6597.579743][ T692] ----------------------------- [ 6597.579903][ T692] kernel/events/core.c:13962 RCU-list traversed in non-reader section!! [ 6597.580139][ T692] [ 6597.580139][ T692] other info that might help us debug this: [ 6597.580139][ T692] [ 6597.580550][ T692] [ 6597.580550][ T692] rcu_scheduler_active = 2, debug_locks = 1 [ 6597.580785][ T692] 3 locks held by poweroff/692: [ 6597.580950][ T692] #0: ffffffff8d22df68 (system_transition_mutex){+.+.}-{3:3}, at: __do_sys_reboot+0x26b/0x2d0 [ 6597.581326][ T692] #1: ffffffff8d22ac70 ((reboot_notifier_list).rwsem){++++}-{3:3}, at: blocking_notifier_call_chain+0x50/0x90 [ 6597.581769][ T692] #2: ffffffff8d4ad8c8 (pmus_lock){+.+.}-{3:3}, at: perf_event_exit_cpu_context+0x24/0xf0 [ 6597.582090][ T692] [ 6597.582090][ T692] stack backtrace: [ 6597.582291][ T692] CPU: 0 UID: 0 PID: 692 Comm: poweroff Not tainted 6.12.0-rc4-virtme #1 [ 6597.582533][ T692] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6597.582884][ T692] Call Trace: [ 6597.583009][ T692] [ 6597.583097][ T692] dump_stack_lvl+0xb0/0xd0 [ 6597.583270][ T692] lockdep_rcu_suspicious+0x1ea/0x280 [ 6597.583437][ T692] perf_event_clear_cpumask+0x61d/0x8f0 [ 6597.583602][ T692] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 6597.583769][ T692] ? __pfx_perf_event_clear_cpumask+0x10/0x10 [ 6597.583974][ T692] ? acpi_execute_simple_method+0xaa/0xe0 [ 6597.584131][ T692] ? __pfx_acpi_execute_simple_method+0x10/0x10 [ 6597.584330][ T692] perf_event_exit_cpu_context+0x2c/0xf0 [ 6597.584487][ T692] perf_reboot+0x7c/0xe0 [ 6597.584608][ T692] ? trace_notifier_run+0xe2/0x140 [ 6597.584768][ T692] notifier_call_chain+0xcd/0x150 [ 6597.584933][ T692] blocking_notifier_call_chain+0x66/0x90 [ 6597.585097][ T692] kernel_power_off+0x1c/0xb0 [ 6597.585253][ T692] __do_sys_reboot+0x270/0x2d0 [ 6597.585411][ T692] ? __pfx___do_sys_reboot+0x10/0x10 [ 6597.585572][ T692] ? __lock_release+0x103/0x460 [ 6597.585731][ T692] ? do_user_addr_fault+0x972/0xe30 [ 6597.585891][ T692] ? __pfx___lock_release+0x10/0x10 [ 6597.586048][ T692] ? __up_read+0x1a7/0x780 [ 6597.586205][ T692] ? trace_lock_acquire+0x14d/0x1f0 [ 6597.586365][ T692] ? __pfx___up_read+0x10/0x10 [ 6597.586528][ T692] ? do_writev+0xf9/0x280 [ 6597.586651][ T692] ? do_writev+0xf9/0x280 [ 6597.586770][ T692] ? __pfx_do_writev+0x10/0x10 [ 6597.586926][ T692] ? do_user_addr_fault+0x97c/0xe30 [ 6597.587092][ T692] do_syscall_64+0xc1/0x1d0 [ 6597.587253][ T692] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6597.587455][ T692] RIP: 0033:0x7f4230358197 [ 6597.587625][ T692] 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 [ 6597.588176][ T692] RSP: 002b:00007ffec15ce9d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a9 [ 6597.588433][ T692] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f4230358197 [ 6597.588668][ T692] RDX: 000000004321fedc RSI: 0000000028121969 RDI: 00000000fee1dead [ 6597.588908][ T692] RBP: 0000000000000000 R08: 00007ffec15cdc90 R09: 00000000ffffffff [ 6597.589143][ T692] R10: 000000000000001e R11: 0000000000000246 R12: 0000000000000002 [ 6597.589380][ T692] R13: 0000000000000001 R14: 0000558db12ae803 R15: 00007f42307ee000 [ 6597.589634][ T692] [ 6597.592412][ T692] ACPI: PM: Preparing to enter system sleep state S5 [ 6597.593850][ T692] kvm: exiting hardware virtualization [ 6597.594186][ T692] reboot: Power down