[ 61.439161][ T246] [ 61.439413][ T246] ============================= [ 61.440424][ T246] WARNING: suspicious RCU usage [ 61.440687][ T246] 6.12.0-rc4-virtme #1 Not tainted [ 61.440854][ T246] ----------------------------- [ 61.441018][ T246] kernel/events/core.c:13962 RCU-list traversed in non-reader section!! [ 61.441282][ T246] [ 61.441282][ T246] other info that might help us debug this: [ 61.441282][ T246] [ 61.441691][ T246] [ 61.441691][ T246] rcu_scheduler_active = 2, debug_locks = 1 [ 61.441941][ T246] 3 locks held by poweroff/246: [ 61.442112][ T246] #0: ffffffffb9819ee8 (system_transition_mutex){+.+.}-{3:3}, at: __do_sys_reboot+0x26b/0x2d0 [ 61.442462][ T246] #1: ffffffffb9816bf0 ((reboot_notifier_list).rwsem){++++}-{3:3}, at: blocking_notifier_call_chain+0x50/0x90 [ 61.442921][ T246] #2: ffffffffb9a982a8 (pmus_lock){+.+.}-{3:3}, at: perf_event_exit_cpu_context+0x24/0xf0 [ 61.443254][ T246] [ 61.443254][ T246] stack backtrace: [ 61.443456][ T246] CPU: 1 UID: 0 PID: 246 Comm: poweroff Not tainted 6.12.0-rc4-virtme #1 [ 61.443704][ T246] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 61.444409][ T246] Call Trace: [ 61.444537][ T246] [ 61.444628][ T246] dump_stack_lvl+0xb0/0xd0 [ 61.444801][ T246] lockdep_rcu_suspicious+0x1ea/0x280 [ 61.444973][ T246] perf_event_clear_cpumask+0x61d/0x8f0 [ 61.445139][ T246] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 61.445313][ T246] ? __pfx_perf_event_clear_cpumask+0x10/0x10 [ 61.445523][ T246] ? acpi_execute_simple_method+0xaa/0xe0 [ 61.445689][ T246] ? __pfx_acpi_execute_simple_method+0x10/0x10 [ 61.445907][ T246] perf_event_exit_cpu_context+0x2c/0xf0 [ 61.446091][ T246] perf_reboot+0x7c/0xe0 [ 61.446223][ T246] ? trace_notifier_run+0xe2/0x140 [ 61.446388][ T246] notifier_call_chain+0xcd/0x150 [ 61.446570][ T246] blocking_notifier_call_chain+0x66/0x90 [ 61.446740][ T246] kernel_power_off+0x1c/0xb0 [ 61.446915][ T246] __do_sys_reboot+0x270/0x2d0 [ 61.447080][ T246] ? __pfx___do_sys_reboot+0x10/0x10 [ 61.447255][ T246] ? __lock_release+0x103/0x460 [ 61.447423][ T246] ? do_user_addr_fault+0x972/0xe30 [ 61.447643][ T246] ? __pfx___lock_release+0x10/0x10 [ 61.447808][ T246] ? __up_read+0x1a7/0x780 [ 61.448007][ T246] ? trace_lock_acquire+0x14d/0x1f0 [ 61.448172][ T246] ? __pfx___up_read+0x10/0x10 [ 61.448343][ T246] ? do_writev+0xf9/0x280 [ 61.448470][ T246] ? do_writev+0xf9/0x280 [ 61.448598][ T246] ? __pfx_do_writev+0x10/0x10 [ 61.448768][ T246] ? do_user_addr_fault+0x97c/0xe30 [ 61.448943][ T246] do_syscall_64+0xc1/0x1d0 [ 61.449113][ T246] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 61.449349][ T246] RIP: 0033:0x7f9df2d96197 [ 61.449541][ T246] 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 [ 61.450141][ T246] RSP: 002b:00007fffdef79558 EFLAGS: 00000246 ORIG_RAX: 00000000000000a9 [ 61.450406][ T246] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f9df2d96197 [ 61.450668][ T246] RDX: 000000004321fedc RSI: 0000000028121969 RDI: 00000000fee1dead [ 61.450944][ T246] RBP: 0000000000000000 R08: 00007fffdef78810 R09: 00000000ffffffff [ 61.451207][ T246] R10: 000000000000001e R11: 0000000000000246 R12: 0000000000000002 [ 61.451455][ T246] R13: 0000000000000001 R14: 0000560f6ec41803 R15: 00007f9df322c000 [ 61.451734][ T246] [ 61.453864][ T246] ACPI: PM: Preparing to enter system sleep state S5 [ 61.455658][ T246] kvm: exiting hardware virtualization [ 61.456037][ T246] reboot: Power down