[ 6655.603109][T25953] [ 6655.603357][T25953] ============================= [ 6655.603541][T25953] WARNING: suspicious RCU usage [ 6655.603720][T25953] 6.12.0-rc5-virtme #1 Not tainted [ 6655.603874][T25953] ----------------------------- [ 6655.604034][T25953] kernel/events/core.c:13962 RCU-list traversed in non-reader section!! [ 6655.604262][T25953] [ 6655.604262][T25953] other info that might help us debug this: [ 6655.604262][T25953] [ 6655.604926][T25953] [ 6655.604926][T25953] rcu_scheduler_active = 2, debug_locks = 1 [ 6655.605155][T25953] 3 locks held by poweroff/25953: [ 6655.605315][T25953] #0: ffffffffb922df68 (system_transition_mutex){+.+.}-{3:3}, at: __do_sys_reboot+0x26b/0x2d0 [ 6655.605660][T25953] #1: ffffffffb922ac70 ((reboot_notifier_list).rwsem){++++}-{3:3}, at: blocking_notifier_call_chain+0x50/0x90 [ 6655.606015][T25953] #2: ffffffffb94adb08 (pmus_lock){+.+.}-{3:3}, at: perf_event_exit_cpu_context+0x24/0xf0 [ 6655.606329][T25953] [ 6655.606329][T25953] stack backtrace: [ 6655.606540][T25953] CPU: 1 UID: 0 PID: 25953 Comm: poweroff Not tainted 6.12.0-rc5-virtme #1 [ 6655.606805][T25953] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6655.607155][T25953] Call Trace: [ 6655.607282][T25953] [ 6655.607372][T25953] dump_stack_lvl+0xb0/0xd0 [ 6655.607544][T25953] lockdep_rcu_suspicious+0x1ea/0x280 [ 6655.607703][T25953] perf_event_clear_cpumask+0x61d/0x8f0 [ 6655.607857][T25953] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 6655.608017][T25953] ? __pfx_perf_event_clear_cpumask+0x10/0x10 [ 6655.608206][T25953] ? acpi_execute_simple_method+0xaa/0xe0 [ 6655.608362][T25953] ? __pfx_acpi_execute_simple_method+0x10/0x10 [ 6655.608557][T25953] perf_event_exit_cpu_context+0x2c/0xf0 [ 6655.608711][T25953] perf_reboot+0x7c/0xe0 [ 6655.608834][T25953] ? trace_notifier_run+0xe2/0x140 [ 6655.608994][T25953] notifier_call_chain+0xcd/0x150 [ 6655.609153][T25953] blocking_notifier_call_chain+0x66/0x90 [ 6655.609311][T25953] kernel_power_off+0x1c/0xb0 [ 6655.609461][T25953] __do_sys_reboot+0x270/0x2d0 [ 6655.609616][T25953] ? __pfx___do_sys_reboot+0x10/0x10 [ 6655.609773][T25953] ? __lock_release+0x103/0x460 [ 6655.609925][T25953] ? do_user_addr_fault+0x972/0xe30 [ 6655.610086][T25953] ? __pfx___lock_release+0x10/0x10 [ 6655.610234][T25953] ? __up_read+0x1a7/0x780 [ 6655.610386][T25953] ? trace_lock_acquire+0x14d/0x1f0 [ 6655.610534][T25953] ? __pfx___up_read+0x10/0x10 [ 6655.610687][T25953] ? do_writev+0xf9/0x280 [ 6655.610801][T25953] ? do_writev+0xf9/0x280 [ 6655.610919][T25953] ? __pfx_do_writev+0x10/0x10 [ 6655.611066][T25953] ? do_user_addr_fault+0x97c/0xe30 [ 6655.611225][T25953] do_syscall_64+0xc1/0x1d0 [ 6655.611385][T25953] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 6655.611587][T25953] RIP: 0033:0x7f505e555197 [ 6655.611769][T25953] 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 [ 6655.612316][T25953] RSP: 002b:00007ffe43316e78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a9 [ 6655.612554][T25953] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f505e555197 [ 6655.612785][T25953] RDX: 000000004321fedc RSI: 0000000028121969 RDI: 00000000fee1dead [ 6655.613020][T25953] RBP: 0000000000000000 R08: 00007ffe43316130 R09: 00000000ffffffff [ 6655.613249][T25953] R10: 000000000000001e R11: 0000000000000246 R12: 0000000000000002 [ 6655.613479][T25953] R13: 0000000000000001 R14: 0000564dc259c803 R15: 00007f505e9eb000 [ 6655.613727][T25953] [ 6655.616568][T25953] ACPI: PM: Preparing to enter system sleep state S5 [ 6655.624642][T25953] kvm: exiting hardware virtualization [ 6655.625005][T25953] reboot: Power down