[ 498.142450][ T2876] [ 498.143671][ T2876] ============================= [ 498.143930][ T2876] WARNING: suspicious RCU usage [ 498.144177][ T2876] 6.12.0-rc4-virtme #1 Not tainted [ 498.144419][ T2876] ----------------------------- [ 498.144678][ T2876] kernel/events/core.c:13962 RCU-list traversed in non-reader section!! [ 498.145023][ T2876] [ 498.145023][ T2876] other info that might help us debug this: [ 498.145023][ T2876] [ 498.145513][ T2876] [ 498.145513][ T2876] rcu_scheduler_active = 2, debug_locks = 1 [ 498.145907][ T2876] 3 locks held by poweroff/2876: [ 498.146184][ T2876] #0: ffffffffb5419ee8 (system_transition_mutex){+.+.}-{3:3}, at: __do_sys_reboot+0x26b/0x2d0 [ 498.146710][ T2876] #1: ffffffffb5416bf0 ((reboot_notifier_list).rwsem){++++}-{3:3}, at: blocking_notifier_call_chain+0x50/0x90 [ 498.147527][ T2876] #2: ffffffffb56982a8 (pmus_lock){+.+.}-{3:3}, at: perf_event_exit_cpu_context+0x24/0xf0 [ 498.148029][ T2876] [ 498.148029][ T2876] stack backtrace: [ 498.148325][ T2876] CPU: 0 UID: 0 PID: 2876 Comm: poweroff Not tainted 6.12.0-rc4-virtme #1 [ 498.148716][ T2876] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 498.149267][ T2876] Call Trace: [ 498.149468][ T2876] [ 498.149608][ T2876] dump_stack_lvl+0xb0/0xd0 [ 498.149881][ T2876] lockdep_rcu_suspicious+0x1ea/0x280 [ 498.150142][ T2876] perf_event_clear_cpumask+0x61d/0x8f0 [ 498.150395][ T2876] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 498.150662][ T2876] ? __pfx_perf_event_clear_cpumask+0x10/0x10 [ 498.150987][ T2876] ? acpi_execute_simple_method+0xaa/0xe0 [ 498.151239][ T2876] ? __pfx_acpi_execute_simple_method+0x10/0x10 [ 498.151566][ T2876] perf_event_exit_cpu_context+0x2c/0xf0 [ 498.151840][ T2876] perf_reboot+0x7c/0xe0 [ 498.152033][ T2876] ? trace_notifier_run+0xe2/0x140 [ 498.152304][ T2876] notifier_call_chain+0xcd/0x150 [ 498.152572][ T2876] blocking_notifier_call_chain+0x66/0x90 [ 498.152839][ T2876] kernel_power_off+0x1c/0xb0 [ 498.153122][ T2876] __do_sys_reboot+0x270/0x2d0 [ 498.153377][ T2876] ? __pfx___do_sys_reboot+0x10/0x10 [ 498.153672][ T2876] ? __lock_release+0x103/0x460 [ 498.153933][ T2876] ? do_user_addr_fault+0x972/0xe30 [ 498.154218][ T2876] ? __pfx___lock_release+0x10/0x10 [ 498.154483][ T2876] ? __up_read+0x1a7/0x780 [ 498.154772][ T2876] ? trace_lock_acquire+0x14d/0x1f0 [ 498.155046][ T2876] ? __pfx___up_read+0x10/0x10 [ 498.155333][ T2876] ? do_writev+0xf9/0x280 [ 498.155556][ T2876] ? do_writev+0xf9/0x280 [ 498.155791][ T2876] ? __pfx_do_writev+0x10/0x10 [ 498.156059][ T2876] ? do_user_addr_fault+0x97c/0xe30 [ 498.156347][ T2876] do_syscall_64+0xc1/0x1d0 [ 498.156638][ T2876] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 498.156972][ T2876] RIP: 0033:0x7f7ab42f0197 [ 498.157262][ T2876] 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 [ 498.158188][ T2876] RSP: 002b:00007ffeadebdbb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a9 [ 498.158576][ T2876] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f7ab42f0197 [ 498.158985][ T2876] RDX: 000000004321fedc RSI: 0000000028121969 RDI: 00000000fee1dead [ 498.159372][ T2876] RBP: 0000000000000000 R08: 00007ffeadebce70 R09: 00000000ffffffff [ 498.159792][ T2876] R10: 000000000000001e R11: 0000000000000246 R12: 0000000000000002 [ 498.160185][ T2876] R13: 0000000000000001 R14: 000056318e9a1803 R15: 00007f7ab4786000 [ 498.160601][ T2876] [ 498.164264][ T2876] ACPI: PM: Preparing to enter system sleep state S5 [ 498.166314][ T2876] kvm: exiting hardware virtualization [ 498.167921][ T2876] reboot: Power down