[ 52.916442][ T245] [ 52.916656][ T245] ============================= [ 52.916809][ T245] WARNING: suspicious RCU usage [ 52.917093][ T245] 6.12.0-rc4-virtme #1 Not tainted [ 52.917243][ T245] ----------------------------- [ 52.917421][ T245] kernel/events/core.c:13962 RCU-list traversed in non-reader section!! [ 52.917641][ T245] [ 52.917641][ T245] other info that might help us debug this: [ 52.917641][ T245] [ 52.917928][ T245] [ 52.917928][ T245] rcu_scheduler_active = 2, debug_locks = 1 [ 52.918150][ T245] 3 locks held by poweroff/245: [ 52.918314][ T245] #0: ffffffff8d619ee8 (system_transition_mutex){+.+.}-{3:3}, at: __do_sys_reboot+0x26b/0x2d0 [ 52.918633][ T245] #1: ffffffff8d616bf0 ((reboot_notifier_list).rwsem){++++}-{3:3}, at: blocking_notifier_call_chain+0x50/0x90 [ 52.918973][ T245] #2: ffffffff8d8982a8 (pmus_lock){+.+.}-{3:3}, at: perf_event_exit_cpu_context+0x24/0xf0 [ 52.919287][ T245] [ 52.919287][ T245] stack backtrace: [ 52.919471][ T245] CPU: 1 UID: 0 PID: 245 Comm: poweroff Not tainted 6.12.0-rc4-virtme #1 [ 52.919698][ T245] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 52.920027][ T245] Call Trace: [ 52.920143][ T245] [ 52.920225][ T245] dump_stack_lvl+0xb0/0xd0 [ 52.920381][ T245] lockdep_rcu_suspicious+0x1ea/0x280 [ 52.920536][ T245] perf_event_clear_cpumask+0x61d/0x8f0 [ 52.920686][ T245] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 52.920841][ T245] ? __pfx_perf_event_clear_cpumask+0x10/0x10 [ 52.921029][ T245] ? acpi_execute_simple_method+0xaa/0xe0 [ 52.921180][ T245] ? __pfx_acpi_execute_simple_method+0x10/0x10 [ 52.921373][ T245] perf_event_exit_cpu_context+0x2c/0xf0 [ 52.921525][ T245] perf_reboot+0x7c/0xe0 [ 52.921639][ T245] ? trace_notifier_run+0xe2/0x140 [ 52.921791][ T245] notifier_call_chain+0xcd/0x150 [ 52.921948][ T245] blocking_notifier_call_chain+0x66/0x90 [ 52.922102][ T245] kernel_power_off+0x1c/0xb0 [ 52.922253][ T245] __do_sys_reboot+0x270/0x2d0 [ 52.922404][ T245] ? __pfx___do_sys_reboot+0x10/0x10 [ 52.922558][ T245] ? __lock_release+0x103/0x460 [ 52.922707][ T245] ? do_user_addr_fault+0x972/0xe30 [ 52.922859][ T245] ? __pfx___lock_release+0x10/0x10 [ 52.923009][ T245] ? __up_read+0x1a7/0x780 [ 52.923161][ T245] ? trace_lock_acquire+0x14d/0x1f0 [ 52.923313][ T245] ? __pfx___up_read+0x10/0x10 [ 52.923469][ T245] ? do_writev+0xf9/0x280 [ 52.923583][ T245] ? do_writev+0xf9/0x280 [ 52.923697][ T245] ? __pfx_do_writev+0x10/0x10 [ 52.923848][ T245] ? do_user_addr_fault+0x97c/0xe30 [ 52.924007][ T245] do_syscall_64+0xc1/0x1d0 [ 52.924161][ T245] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 52.924346][ T245] RIP: 0033:0x7f627df85197 [ 52.924506][ T245] 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 [ 52.925028][ T245] RSP: 002b:00007ffda9977128 EFLAGS: 00000246 ORIG_RAX: 00000000000000a9 [ 52.925262][ T245] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f627df85197 [ 52.925488][ T245] RDX: 000000004321fedc RSI: 0000000028121969 RDI: 00000000fee1dead [ 52.925711][ T245] RBP: 0000000000000000 R08: 00007ffda99763e0 R09: 00000000ffffffff [ 52.925933][ T245] R10: 000000000000001e R11: 0000000000000246 R12: 0000000000000002 [ 52.926157][ T245] R13: 0000000000000001 R14: 000055f61765f803 R15: 00007f627e41b000 [ 52.926398][ T245] [ 52.928139][ T245] ACPI: PM: Preparing to enter system sleep state S5 [ 52.929572][ T245] kvm: exiting hardware virtualization [ 52.929894][ T245] reboot: Power down