[ 76.044448][ T245] [ 76.044706][ T245] ============================= [ 76.044906][ T245] WARNING: suspicious RCU usage [ 76.045082][ T245] 6.12.0-rc4-virtme #1 Not tainted [ 76.045266][ T245] ----------------------------- [ 76.045428][ T245] kernel/events/core.c:13962 RCU-list traversed in non-reader section!! [ 76.045708][ T245] [ 76.045708][ T245] other info that might help us debug this: [ 76.045708][ T245] [ 76.046049][ T245] [ 76.046049][ T245] rcu_scheduler_active = 2, debug_locks = 1 [ 76.046500][ T245] 3 locks held by poweroff/245: [ 76.046717][ T245] #0: ffffffff98619ee8 (system_transition_mutex){+.+.}-{3:3}, at: __do_sys_reboot+0x26b/0x2d0 [ 76.047121][ T245] #1: ffffffff98616bf0 ((reboot_notifier_list).rwsem){++++}-{3:3}, at: blocking_notifier_call_chain+0x50/0x90 [ 76.047578][ T245] #2: ffffffff988982a8 (pmus_lock){+.+.}-{3:3}, at: perf_event_exit_cpu_context+0x24/0xf0 [ 76.047968][ T245] [ 76.047968][ T245] stack backtrace: [ 76.048210][ T245] CPU: 0 UID: 0 PID: 245 Comm: poweroff Not tainted 6.12.0-rc4-virtme #1 [ 76.048464][ T245] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 76.048882][ T245] Call Trace: [ 76.049027][ T245] [ 76.049134][ T245] dump_stack_lvl+0xb0/0xd0 [ 76.049328][ T245] lockdep_rcu_suspicious+0x1ea/0x280 [ 76.049520][ T245] perf_event_clear_cpumask+0x61d/0x8f0 [ 76.049712][ T245] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 76.049905][ T245] ? __pfx_perf_event_clear_cpumask+0x10/0x10 [ 76.050168][ T245] ? acpi_execute_simple_method+0xaa/0xe0 [ 76.050344][ T245] ? __pfx_acpi_execute_simple_method+0x10/0x10 [ 76.050562][ T245] perf_event_exit_cpu_context+0x2c/0xf0 [ 76.050784][ T245] perf_reboot+0x7c/0xe0 [ 76.050923][ T245] ? trace_notifier_run+0xe2/0x140 [ 76.051119][ T245] notifier_call_chain+0xcd/0x150 [ 76.051327][ T245] blocking_notifier_call_chain+0x66/0x90 [ 76.051526][ T245] kernel_power_off+0x1c/0xb0 [ 76.051722][ T245] __do_sys_reboot+0x270/0x2d0 [ 76.051906][ T245] ? __pfx___do_sys_reboot+0x10/0x10 [ 76.052104][ T245] ? __lock_release+0x103/0x460 [ 76.052289][ T245] ? do_user_addr_fault+0x972/0xe30 [ 76.052479][ T245] ? __pfx___lock_release+0x10/0x10 [ 76.052669][ T245] ? __up_read+0x1a7/0x780 [ 76.052850][ T245] ? trace_lock_acquire+0x14d/0x1f0 [ 76.053046][ T245] ? __pfx___up_read+0x10/0x10 [ 76.053233][ T245] ? do_writev+0xf9/0x280 [ 76.053385][ T245] ? do_writev+0xf9/0x280 [ 76.053532][ T245] ? __pfx_do_writev+0x10/0x10 [ 76.053714][ T245] ? do_user_addr_fault+0x97c/0xe30 [ 76.053918][ T245] do_syscall_64+0xc1/0x1d0 [ 76.054105][ T245] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 76.054354][ T245] RIP: 0033:0x7f9035990197 [ 76.054561][ 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 [ 76.055170][ T245] RSP: 002b:00007ffcf9a53ed8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a9 [ 76.055460][ T245] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f9035990197 [ 76.055776][ T245] RDX: 000000004321fedc RSI: 0000000028121969 RDI: 00000000fee1dead [ 76.056052][ T245] RBP: 0000000000000000 R08: 00007ffcf9a53190 R09: 00000000ffffffff [ 76.056310][ T245] R10: 000000000000001e R11: 0000000000000246 R12: 0000000000000002 [ 76.056566][ T245] R13: 0000000000000001 R14: 00005621fe728803 R15: 00007f9035e26000 [ 76.056852][ T245] [ 76.058660][ T245] ACPI: PM: Preparing to enter system sleep state S5 [ 76.060644][ T245] kvm: exiting hardware virtualization [ 76.060964][ T245] reboot: Power down