[ 58.509384][ T246] [ 58.509614][ T246] ============================= [ 58.509942][ T246] WARNING: suspicious RCU usage [ 58.510122][ T246] 6.12.0-rc4-virtme #1 Not tainted [ 58.510307][ T246] ----------------------------- [ 58.510473][ T246] kernel/events/core.c:13962 RCU-list traversed in non-reader section!! [ 58.510719][ T246] [ 58.510719][ T246] other info that might help us debug this: [ 58.510719][ T246] [ 58.511039][ T246] [ 58.511039][ T246] rcu_scheduler_active = 2, debug_locks = 1 [ 58.512062][ T246] 3 locks held by poweroff/246: [ 58.512242][ T246] #0: ffffffff89619ee8 (system_transition_mutex){+.+.}-{3:3}, at: __do_sys_reboot+0x26b/0x2d0 [ 58.512588][ T246] #1: ffffffff89616bf0 ((reboot_notifier_list).rwsem){++++}-{3:3}, at: blocking_notifier_call_chain+0x50/0x90 [ 58.512956][ T246] #2: ffffffff898982a8 (pmus_lock){+.+.}-{3:3}, at: perf_event_exit_cpu_context+0x24/0xf0 [ 58.513291][ T246] [ 58.513291][ T246] stack backtrace: [ 58.513491][ T246] CPU: 1 UID: 0 PID: 246 Comm: poweroff Not tainted 6.12.0-rc4-virtme #1 [ 58.513739][ T246] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 58.514097][ T246] Call Trace: [ 58.514221][ T246] [ 58.514310][ T246] dump_stack_lvl+0xb0/0xd0 [ 58.514477][ T246] lockdep_rcu_suspicious+0x1ea/0x280 [ 58.514642][ T246] perf_event_clear_cpumask+0x61d/0x8f0 [ 58.514806][ T246] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 58.514973][ T246] ? __pfx_perf_event_clear_cpumask+0x10/0x10 [ 58.515176][ T246] ? acpi_execute_simple_method+0xaa/0xe0 [ 58.515339][ T246] ? __pfx_acpi_execute_simple_method+0x10/0x10 [ 58.515550][ T246] perf_event_exit_cpu_context+0x2c/0xf0 [ 58.515713][ T246] perf_reboot+0x7c/0xe0 [ 58.515835][ T246] ? trace_notifier_run+0xe2/0x140 [ 58.515996][ T246] notifier_call_chain+0xcd/0x150 [ 58.516166][ T246] blocking_notifier_call_chain+0x66/0x90 [ 58.516331][ T246] kernel_power_off+0x1c/0xb0 [ 58.516492][ T246] __do_sys_reboot+0x270/0x2d0 [ 58.516655][ T246] ? __pfx___do_sys_reboot+0x10/0x10 [ 58.516821][ T246] ? __lock_release+0x103/0x460 [ 58.516984][ T246] ? do_user_addr_fault+0x972/0xe30 [ 58.517147][ T246] ? __pfx___lock_release+0x10/0x10 [ 58.517312][ T246] ? __up_read+0x1a7/0x780 [ 58.517472][ T246] ? trace_lock_acquire+0x14d/0x1f0 [ 58.517638][ T246] ? __pfx___up_read+0x10/0x10 [ 58.517804][ T246] ? do_writev+0xf9/0x280 [ 58.517929][ T246] ? do_writev+0xf9/0x280 [ 58.518054][ T246] ? __pfx_do_writev+0x10/0x10 [ 58.518212][ T246] ? do_user_addr_fault+0x97c/0xe30 [ 58.518389][ T246] do_syscall_64+0xc1/0x1d0 [ 58.518556][ T246] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 58.518755][ T246] RIP: 0033:0x7f53183af197 [ 58.518925][ T246] 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 [ 58.519486][ T246] RSP: 002b:00007fff8fb7c488 EFLAGS: 00000246 ORIG_RAX: 00000000000000a9 [ 58.519730][ T246] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f53183af197 [ 58.519970][ T246] RDX: 000000004321fedc RSI: 0000000028121969 RDI: 00000000fee1dead [ 58.520212][ T246] RBP: 0000000000000000 R08: 00007fff8fb7b740 R09: 00000000ffffffff [ 58.520456][ T246] R10: 000000000000001e R11: 0000000000000246 R12: 0000000000000002 [ 58.520695][ T246] R13: 0000000000000001 R14: 000055f76bdac803 R15: 00007f5318845000 [ 58.520949][ T246] [ 58.522767][ T246] ACPI: PM: Preparing to enter system sleep state S5 [ 58.535551][ T246] kvm: exiting hardware virtualization [ 58.536143][ T246] reboot: Power down