[ 476.199708][ T2772] [ 476.199964][ T2772] ============================= [ 476.200292][ T2772] WARNING: suspicious RCU usage [ 476.200455][ T2772] 6.12.0-rc4-virtme #1 Not tainted [ 476.200639][ T2772] ----------------------------- [ 476.200803][ T2772] kernel/events/core.c:13962 RCU-list traversed in non-reader section!! [ 476.201062][ T2772] [ 476.201062][ T2772] other info that might help us debug this: [ 476.201062][ T2772] [ 476.201374][ T2772] [ 476.201374][ T2772] rcu_scheduler_active = 2, debug_locks = 1 [ 476.201636][ T2772] 3 locks held by poweroff/2772: [ 476.201859][ T2772] #0: ffffffffb4e19ee8 (system_transition_mutex){+.+.}-{3:3}, at: __do_sys_reboot+0x26b/0x2d0 [ 476.203590][ T2772] #1: ffffffffb4e16bf0 ((reboot_notifier_list).rwsem){++++}-{3:3}, at: blocking_notifier_call_chain+0x50/0x90 [ 476.204225][ T2772] #2: ffffffffb50982a8 (pmus_lock){+.+.}-{3:3}, at: perf_event_exit_cpu_context+0x24/0xf0 [ 476.204730][ T2772] [ 476.204730][ T2772] stack backtrace: [ 476.205083][ T2772] CPU: 1 UID: 0 PID: 2772 Comm: poweroff Not tainted 6.12.0-rc4-virtme #1 [ 476.205475][ T2772] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 476.206056][ T2772] Call Trace: [ 476.206278][ T2772] [ 476.206412][ T2772] dump_stack_lvl+0xb0/0xd0 [ 476.206695][ T2772] lockdep_rcu_suspicious+0x1ea/0x280 [ 476.206966][ T2772] perf_event_clear_cpumask+0x61d/0x8f0 [ 476.207264][ T2772] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 476.207564][ T2772] ? __pfx_perf_event_clear_cpumask+0x10/0x10 [ 476.207891][ T2772] ? acpi_execute_simple_method+0xaa/0xe0 [ 476.208173][ T2772] ? __pfx_acpi_execute_simple_method+0x10/0x10 [ 476.208513][ T2772] perf_event_exit_cpu_context+0x2c/0xf0 [ 476.208782][ T2772] perf_reboot+0x7c/0xe0 [ 476.208965][ T2772] ? trace_notifier_run+0xe2/0x140 [ 476.209254][ T2772] notifier_call_chain+0xcd/0x150 [ 476.209534][ T2772] blocking_notifier_call_chain+0x66/0x90 [ 476.209816][ T2772] kernel_power_off+0x1c/0xb0 [ 476.210104][ T2772] __do_sys_reboot+0x270/0x2d0 [ 476.210343][ T2772] ? __pfx___do_sys_reboot+0x10/0x10 [ 476.210602][ T2772] ? __lock_release+0x103/0x460 [ 476.210821][ T2772] ? do_user_addr_fault+0x972/0xe30 [ 476.211073][ T2772] ? __pfx___lock_release+0x10/0x10 [ 476.211344][ T2772] ? __up_read+0x1a7/0x780 [ 476.211606][ T2772] ? trace_lock_acquire+0x14d/0x1f0 [ 476.211865][ T2772] ? __pfx___up_read+0x10/0x10 [ 476.212153][ T2772] ? do_writev+0xf9/0x280 [ 476.212364][ T2772] ? do_writev+0xf9/0x280 [ 476.212573][ T2772] ? __pfx_do_writev+0x10/0x10 [ 476.212842][ T2772] ? do_user_addr_fault+0x97c/0xe30 [ 476.213016][ T2772] do_syscall_64+0xc1/0x1d0 [ 476.213210][ T2772] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 476.213444][ T2772] RIP: 0033:0x7f75ec3bb197 [ 476.213606][ T2772] 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 [ 476.214148][ T2772] RSP: 002b:00007ffeda343cc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a9 [ 476.214398][ T2772] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f75ec3bb197 [ 476.214636][ T2772] RDX: 000000004321fedc RSI: 0000000028121969 RDI: 00000000fee1dead [ 476.214862][ T2772] RBP: 0000000000000000 R08: 00007ffeda342f80 R09: 00000000ffffffff [ 476.215108][ T2772] R10: 000000000000001e R11: 0000000000000246 R12: 0000000000000002 [ 476.215374][ T2772] R13: 0000000000000001 R14: 0000563b9ef5b803 R15: 00007f75ec851000 [ 476.215624][ T2772] [ 476.218538][ T2772] ACPI: PM: Preparing to enter system sleep state S5 [ 476.234019][ T2772] kvm: exiting hardware virtualization [ 476.234634][ T2772] reboot: Power down