[ 1916.391900][ T6582] [ 1916.392124][ T6582] ============================= [ 1916.392298][ T6582] WARNING: suspicious RCU usage [ 1916.392456][ T6582] 6.12.0-rc4-virtme #1 Not tainted [ 1916.392614][ T6582] ----------------------------- [ 1916.392763][ T6582] kernel/events/core.c:13962 RCU-list traversed in non-reader section!! [ 1916.393001][ T6582] [ 1916.393001][ T6582] other info that might help us debug this: [ 1916.393001][ T6582] [ 1916.393295][ T6582] [ 1916.393295][ T6582] rcu_scheduler_active = 2, debug_locks = 1 [ 1916.393528][ T6582] 3 locks held by poweroff/6582: [ 1916.393682][ T6582] #0: ffffffff99e19ee8 (system_transition_mutex){+.+.}-{3:3}, at: __do_sys_reboot+0x26b/0x2d0 [ 1916.394247][ T6582] #1: ffffffff99e16bf0 ((reboot_notifier_list).rwsem){++++}-{3:3}, at: blocking_notifier_call_chain+0x50/0x90 [ 1916.394594][ T6582] #2: ffffffff9a0982a8 (pmus_lock){+.+.}-{3:3}, at: perf_event_exit_cpu_context+0x24/0xf0 [ 1916.394903][ T6582] [ 1916.394903][ T6582] stack backtrace: [ 1916.395091][ T6582] CPU: 1 UID: 0 PID: 6582 Comm: poweroff Not tainted 6.12.0-rc4-virtme #1 [ 1916.395318][ T6582] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1916.395655][ T6582] Call Trace: [ 1916.395775][ T6582] [ 1916.395856][ T6582] dump_stack_lvl+0xb0/0xd0 [ 1916.396013][ T6582] lockdep_rcu_suspicious+0x1ea/0x280 [ 1916.396167][ T6582] perf_event_clear_cpumask+0x61d/0x8f0 [ 1916.396317][ T6582] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1916.396474][ T6582] ? __pfx_perf_event_clear_cpumask+0x10/0x10 [ 1916.396676][ T6582] ? acpi_execute_simple_method+0xaa/0xe0 [ 1916.396831][ T6582] ? __pfx_acpi_execute_simple_method+0x10/0x10 [ 1916.397021][ T6582] perf_event_exit_cpu_context+0x2c/0xf0 [ 1916.397169][ T6582] perf_reboot+0x7c/0xe0 [ 1916.397281][ T6582] ? trace_notifier_run+0xe2/0x140 [ 1916.397453][ T6582] notifier_call_chain+0xcd/0x150 [ 1916.397617][ T6582] blocking_notifier_call_chain+0x66/0x90 [ 1916.397772][ T6582] kernel_power_off+0x1c/0xb0 [ 1916.397924][ T6582] __do_sys_reboot+0x270/0x2d0 [ 1916.398084][ T6582] ? __pfx___do_sys_reboot+0x10/0x10 [ 1916.398238][ T6582] ? __lock_release+0x103/0x460 [ 1916.398401][ T6582] ? do_user_addr_fault+0x972/0xe30 [ 1916.398554][ T6582] ? __pfx___lock_release+0x10/0x10 [ 1916.398705][ T6582] ? __up_read+0x1a7/0x780 [ 1916.398860][ T6582] ? trace_lock_acquire+0x14d/0x1f0 [ 1916.399008][ T6582] ? __pfx___up_read+0x10/0x10 [ 1916.399161][ T6582] ? do_writev+0xf9/0x280 [ 1916.399278][ T6582] ? do_writev+0xf9/0x280 [ 1916.399394][ T6582] ? __pfx_do_writev+0x10/0x10 [ 1916.399548][ T6582] ? do_user_addr_fault+0x97c/0xe30 [ 1916.399704][ T6582] do_syscall_64+0xc1/0x1d0 [ 1916.399856][ T6582] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1916.400041][ T6582] RIP: 0033:0x7f146b36f197 [ 1916.400198][ T6582] 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 [ 1916.400728][ T6582] RSP: 002b:00007ffd71038368 EFLAGS: 00000246 ORIG_RAX: 00000000000000a9 [ 1916.400953][ T6582] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f146b36f197 [ 1916.401174][ T6582] RDX: 000000004321fedc RSI: 0000000028121969 RDI: 00000000fee1dead [ 1916.401396][ T6582] RBP: 0000000000000000 R08: 00007ffd71037620 R09: 00000000ffffffff [ 1916.401624][ T6582] R10: 000000000000001e R11: 0000000000000246 R12: 0000000000000002 [ 1916.401850][ T6582] R13: 0000000000000001 R14: 000055ce7007c803 R15: 00007f146b805000 [ 1916.402089][ T6582] [ 1916.404108][ T6582] ACPI: PM: Preparing to enter system sleep state S5 [ 1916.405487][ T6582] kvm: exiting hardware virtualization [ 1916.405870][ T6582] reboot: Power down