[ 81.100765][ T386] [ 81.100994][ T386] ============================= [ 81.101173][ T386] WARNING: suspicious RCU usage [ 81.102195][ T386] 6.12.0-rc4-virtme #1 Not tainted [ 81.102464][ T386] ----------------------------- [ 81.102630][ T386] kernel/events/core.c:13962 RCU-list traversed in non-reader section!! [ 81.102869][ T386] [ 81.102869][ T386] other info that might help us debug this: [ 81.102869][ T386] [ 81.103184][ T386] [ 81.103184][ T386] rcu_scheduler_active = 2, debug_locks = 1 [ 81.103511][ T386] 3 locks held by poweroff/386: [ 81.103679][ T386] #0: ffffffff9de1a628 (system_transition_mutex){+.+.}-{3:3}, at: __do_sys_reboot+0x26b/0x2d0 [ 81.104022][ T386] #1: ffffffff9de17330 ((reboot_notifier_list).rwsem){++++}-{3:3}, at: blocking_notifier_call_chain+0x50/0x90 [ 81.104499][ T386] #2: ffffffff9e0a34a8 (pmus_lock){+.+.}-{3:3}, at: perf_event_exit_cpu_context+0x24/0xf0 [ 81.104834][ T386] [ 81.104834][ T386] stack backtrace: [ 81.105041][ T386] CPU: 1 UID: 0 PID: 386 Comm: poweroff Not tainted 6.12.0-rc4-virtme #1 [ 81.105286][ T386] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 81.105645][ T386] Call Trace: [ 81.105771][ T386] [ 81.105862][ T386] dump_stack_lvl+0xb0/0xd0 [ 81.106043][ T386] lockdep_rcu_suspicious+0x1ea/0x280 [ 81.106211][ T386] perf_event_clear_cpumask+0x61d/0x8f0 [ 81.106380][ T386] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 81.106553][ T386] ? __pfx_perf_event_clear_cpumask+0x10/0x10 [ 81.106763][ T386] ? acpi_execute_simple_method+0xaa/0xe0 [ 81.106929][ T386] ? __pfx_acpi_execute_simple_method+0x10/0x10 [ 81.107140][ T386] perf_event_exit_cpu_context+0x2c/0xf0 [ 81.107307][ T386] perf_reboot+0x7c/0xe0 [ 81.107435][ T386] ? trace_notifier_run+0xe2/0x140 [ 81.107603][ T386] notifier_call_chain+0xcd/0x150 [ 81.107775][ T386] blocking_notifier_call_chain+0x66/0x90 [ 81.107942][ T386] kernel_power_off+0x1c/0xb0 [ 81.108105][ T386] __do_sys_reboot+0x270/0x2d0 [ 81.108275][ T386] ? __pfx___do_sys_reboot+0x10/0x10 [ 81.108442][ T386] ? __lock_release+0x103/0x460 [ 81.108602][ T386] ? do_user_addr_fault+0x972/0xe30 [ 81.108952][ T386] ? __pfx___lock_release+0x10/0x10 [ 81.109119][ T386] ? __up_read+0x1a7/0x780 [ 81.109284][ T386] ? trace_lock_acquire+0x14d/0x1f0 [ 81.109450][ T386] ? __pfx___up_read+0x10/0x10 [ 81.109619][ T386] ? do_writev+0xf9/0x280 [ 81.109743][ T386] ? do_writev+0xf9/0x280 [ 81.109871][ T386] ? __pfx_do_writev+0x10/0x10 [ 81.110034][ T386] ? do_user_addr_fault+0x97c/0xe30 [ 81.110210][ T386] do_syscall_64+0xc1/0x1d0 [ 81.110379][ T386] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 81.110584][ T386] RIP: 0033:0x7fa77986d197 [ 81.110755][ T386] 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 [ 81.111324][ T386] RSP: 002b:00007fff85ea3048 EFLAGS: 00000246 ORIG_RAX: 00000000000000a9 [ 81.111576][ T386] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fa77986d197 [ 81.111823][ T386] RDX: 000000004321fedc RSI: 0000000028121969 RDI: 00000000fee1dead [ 81.112070][ T386] RBP: 0000000000000000 R08: 00007fff85ea2300 R09: 00000000ffffffff [ 81.112315][ T386] R10: 000000000000001e R11: 0000000000000246 R12: 0000000000000002 [ 81.112557][ T386] R13: 0000000000000001 R14: 0000556b40c19803 R15: 00007fa779d03000 [ 81.112827][ T386] [ 81.114890][ T386] ACPI: PM: Preparing to enter system sleep state S5 [ 81.116174][ T386] kvm: exiting hardware virtualization [ 81.116609][ T386] reboot: Power down