[ 66.395193][ T248] [ 66.395414][ T248] ============================= [ 66.395569][ T248] WARNING: suspicious RCU usage [ 66.395725][ T248] 6.12.0-rc4-virtme #1 Not tainted [ 66.395905][ T248] ----------------------------- [ 66.396185][ T248] kernel/events/core.c:13962 RCU-list traversed in non-reader section!! [ 66.396411][ T248] [ 66.396411][ T248] other info that might help us debug this: [ 66.396411][ T248] [ 66.396706][ T248] [ 66.396706][ T248] rcu_scheduler_active = 2, debug_locks = 1 [ 66.396934][ T248] 3 locks held by poweroff/248: [ 66.397101][ T248] #0: ffffffffa9619ee8 (system_transition_mutex){+.+.}-{3:3}, at: __do_sys_reboot+0x26b/0x2d0 [ 66.397443][ T248] #1: ffffffffa9616bf0 ((reboot_notifier_list).rwsem){++++}-{3:3}, at: blocking_notifier_call_chain+0x50/0x90 [ 66.397789][ T248] #2: ffffffffa98982a8 (pmus_lock){+.+.}-{3:3}, at: perf_event_exit_cpu_context+0x24/0xf0 [ 66.398112][ T248] [ 66.398112][ T248] stack backtrace: [ 66.398320][ T248] CPU: 1 UID: 0 PID: 248 Comm: poweroff Not tainted 6.12.0-rc4-virtme #1 [ 66.398570][ T248] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 66.398974][ T248] Call Trace: [ 66.399107][ T248] [ 66.399197][ T248] dump_stack_lvl+0xb0/0xd0 [ 66.399371][ T248] lockdep_rcu_suspicious+0x1ea/0x280 [ 66.399545][ T248] perf_event_clear_cpumask+0x61d/0x8f0 [ 66.399721][ T248] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 66.399904][ T248] ? __pfx_perf_event_clear_cpumask+0x10/0x10 [ 66.400115][ T248] ? acpi_execute_simple_method+0xaa/0xe0 [ 66.400283][ T248] ? __pfx_acpi_execute_simple_method+0x10/0x10 [ 66.400501][ T248] perf_event_exit_cpu_context+0x2c/0xf0 [ 66.400673][ T248] perf_reboot+0x7c/0xe0 [ 66.400801][ T248] ? trace_notifier_run+0xe2/0x140 [ 66.400972][ T248] notifier_call_chain+0xcd/0x150 [ 66.401151][ T248] blocking_notifier_call_chain+0x66/0x90 [ 66.401322][ T248] kernel_power_off+0x1c/0xb0 [ 66.401491][ T248] __do_sys_reboot+0x270/0x2d0 [ 66.401664][ T248] ? __pfx___do_sys_reboot+0x10/0x10 [ 66.401840][ T248] ? __lock_release+0x103/0x460 [ 66.402005][ T248] ? do_user_addr_fault+0x972/0xe30 [ 66.402188][ T248] ? __pfx___lock_release+0x10/0x10 [ 66.402357][ T248] ? __up_read+0x1a7/0x780 [ 66.402528][ T248] ? trace_lock_acquire+0x14d/0x1f0 [ 66.402697][ T248] ? __pfx___up_read+0x10/0x10 [ 66.402899][ T248] ? do_writev+0xf9/0x280 [ 66.403032][ T248] ? do_writev+0xf9/0x280 [ 66.403161][ T248] ? __pfx_do_writev+0x10/0x10 [ 66.403333][ T248] ? do_user_addr_fault+0x97c/0xe30 [ 66.403508][ T248] do_syscall_64+0xc1/0x1d0 [ 66.403669][ T248] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 66.403948][ T248] RIP: 0033:0x7f912671a197 [ 66.404115][ T248] 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 [ 66.404653][ T248] RSP: 002b:00007ffcec0e89a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a9 [ 66.404892][ T248] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f912671a197 [ 66.405120][ T248] RDX: 000000004321fedc RSI: 0000000028121969 RDI: 00000000fee1dead [ 66.405349][ T248] RBP: 0000000000000000 R08: 00007ffcec0e7c60 R09: 00000000ffffffff [ 66.405591][ T248] R10: 000000000000001e R11: 0000000000000246 R12: 0000000000000002 [ 66.405819][ T248] R13: 0000000000000001 R14: 0000556eea079803 R15: 00007f9126bb0000 [ 66.406065][ T248] [ 66.408376][ T248] ACPI: PM: Preparing to enter system sleep state S5 [ 66.410698][ T248] kvm: exiting hardware virtualization [ 66.411087][ T248] reboot: Power down