[ 116.987801][ T844] [ 116.988028][ T844] ============================= [ 116.988192][ T844] WARNING: suspicious RCU usage [ 116.988368][ T844] 6.12.0-rc5-virtme #1 Not tainted [ 116.988526][ T844] ----------------------------- [ 116.988692][ T844] kernel/events/core.c:13962 RCU-list traversed in non-reader section!! [ 116.988921][ T844] [ 116.988921][ T844] other info that might help us debug this: [ 116.988921][ T844] [ 116.989433][ T844] [ 116.989433][ T844] rcu_scheduler_active = 2, debug_locks = 1 [ 116.989671][ T844] 3 locks held by poweroff/844: [ 116.989828][ T844] #0: ffffffff87819ee8 (system_transition_mutex){+.+.}-{3:3}, at: __do_sys_reboot+0x26b/0x2d0 [ 116.990158][ T844] #1: ffffffff87816bf0 ((reboot_notifier_list).rwsem){++++}-{3:3}, at: blocking_notifier_call_chain+0x50/0x90 [ 116.990533][ T844] #2: ffffffff87a984e8 (pmus_lock){+.+.}-{3:3}, at: perf_event_exit_cpu_context+0x24/0xf0 [ 116.990872][ T844] [ 116.990872][ T844] stack backtrace: [ 116.991063][ T844] CPU: 1 UID: 0 PID: 844 Comm: poweroff Not tainted 6.12.0-rc5-virtme #1 [ 116.991298][ T844] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 116.991654][ T844] Call Trace: [ 116.991806][ T844] [ 116.991890][ T844] dump_stack_lvl+0xb0/0xd0 [ 116.992054][ T844] lockdep_rcu_suspicious+0x1ea/0x280 [ 116.992221][ T844] perf_event_clear_cpumask+0x61d/0x8f0 [ 116.992380][ T844] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 116.992542][ T844] ? __pfx_perf_event_clear_cpumask+0x10/0x10 [ 116.992743][ T844] ? acpi_execute_simple_method+0xaa/0xe0 [ 116.992903][ T844] ? __pfx_acpi_execute_simple_method+0x10/0x10 [ 116.993104][ T844] perf_event_exit_cpu_context+0x2c/0xf0 [ 116.993267][ T844] perf_reboot+0x7c/0xe0 [ 116.993388][ T844] ? trace_notifier_run+0xe2/0x140 [ 116.993550][ T844] notifier_call_chain+0xcd/0x150 [ 116.993793][ T844] blocking_notifier_call_chain+0x66/0x90 [ 116.994071][ T844] kernel_power_off+0x1c/0xb0 [ 116.994241][ T844] __do_sys_reboot+0x270/0x2d0 [ 116.994399][ T844] ? __pfx___do_sys_reboot+0x10/0x10 [ 116.994565][ T844] ? __lock_release+0x103/0x460 [ 116.994729][ T844] ? do_user_addr_fault+0x972/0xe30 [ 116.994892][ T844] ? __pfx___lock_release+0x10/0x10 [ 116.995058][ T844] ? __up_read+0x1a7/0x780 [ 116.995215][ T844] ? trace_lock_acquire+0x14d/0x1f0 [ 116.995371][ T844] ? __pfx___up_read+0x10/0x10 [ 116.995531][ T844] ? do_writev+0xf9/0x280 [ 116.995658][ T844] ? do_writev+0xf9/0x280 [ 116.995781][ T844] ? __pfx_do_writev+0x10/0x10 [ 116.995935][ T844] ? do_user_addr_fault+0x97c/0xe30 [ 116.996097][ T844] do_syscall_64+0xc1/0x1d0 [ 116.996255][ T844] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 116.996451][ T844] RIP: 0033:0x7f094803a197 [ 116.996621][ T844] 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 [ 116.997158][ T844] RSP: 002b:00007ffeee709e88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a9 [ 116.997392][ T844] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f094803a197 [ 116.997652][ T844] RDX: 000000004321fedc RSI: 0000000028121969 RDI: 00000000fee1dead [ 116.997999][ T844] RBP: 0000000000000000 R08: 00007ffeee709140 R09: 00000000ffffffff [ 116.998231][ T844] R10: 000000000000001e R11: 0000000000000246 R12: 0000000000000002 [ 116.998506][ T844] R13: 0000000000000001 R14: 0000561848a42803 R15: 00007f09484d0000 [ 116.998797][ T844] [ 117.001242][ T844] ACPI: PM: Preparing to enter system sleep state S5 [ 117.002845][ T844] kvm: exiting hardware virtualization [ 117.003178][ T844] reboot: Power down