[ 106.776994][ T247] [ 106.777249][ T247] ============================= [ 106.777428][ T247] WARNING: suspicious RCU usage [ 106.777588][ T247] 6.12.0-rc4-virtme #1 Not tainted [ 106.777780][ T247] ----------------------------- [ 106.778139][ T247] kernel/events/core.c:13962 RCU-list traversed in non-reader section!! [ 106.778379][ T247] [ 106.778379][ T247] other info that might help us debug this: [ 106.778379][ T247] [ 106.778678][ T247] [ 106.778678][ T247] rcu_scheduler_active = 2, debug_locks = 1 [ 106.778905][ T247] 3 locks held by poweroff/247: [ 106.779066][ T247] #0: ffffffffa1419ee8 (system_transition_mutex){+.+.}-{3:3}, at: __do_sys_reboot+0x26b/0x2d0 [ 106.779403][ T247] #1: ffffffffa1416bf0 ((reboot_notifier_list).rwsem){++++}-{3:3}, at: blocking_notifier_call_chain+0x50/0x90 [ 106.779751][ T247] #2: ffffffffa16982a8 (pmus_lock){+.+.}-{3:3}, at: perf_event_exit_cpu_context+0x24/0xf0 [ 106.780068][ T247] [ 106.780068][ T247] stack backtrace: [ 106.780261][ T247] CPU: 3 UID: 0 PID: 247 Comm: poweroff Not tainted 6.12.0-rc4-virtme #1 [ 106.780499][ T247] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 106.780837][ T247] Call Trace: [ 106.780956][ T247] <TASK> [ 106.781044][ T247] dump_stack_lvl+0xb0/0xd0 [ 106.781202][ T247] lockdep_rcu_suspicious+0x1ea/0x280 [ 106.781368][ T247] perf_event_clear_cpumask+0x61d/0x8f0 [ 106.781522][ T247] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 106.781687][ T247] ? __pfx_perf_event_clear_cpumask+0x10/0x10 [ 106.781880][ T247] ? acpi_execute_simple_method+0xaa/0xe0 [ 106.782039][ T247] ? __pfx_acpi_execute_simple_method+0x10/0x10 [ 106.782233][ T247] perf_event_exit_cpu_context+0x2c/0xf0 [ 106.782388][ T247] perf_reboot+0x7c/0xe0 [ 106.782503][ T247] ? trace_notifier_run+0xe2/0x140 [ 106.782658][ T247] notifier_call_chain+0xcd/0x150 [ 106.782819][ T247] blocking_notifier_call_chain+0x66/0x90 [ 106.782973][ T247] kernel_power_off+0x1c/0xb0 [ 106.783124][ T247] __do_sys_reboot+0x270/0x2d0 [ 106.783280][ T247] ? __pfx___do_sys_reboot+0x10/0x10 [ 106.783439][ T247] ? __lock_release+0x103/0x460 [ 106.783592][ T247] ? do_user_addr_fault+0x972/0xe30 [ 106.783747][ T247] ? __pfx___lock_release+0x10/0x10 [ 106.783898][ T247] ? __up_read+0x1a7/0x780 [ 106.784054][ T247] ? trace_lock_acquire+0x14d/0x1f0 [ 106.784213][ T247] ? __pfx___up_read+0x10/0x10 [ 106.784372][ T247] ? do_writev+0xf9/0x280 [ 106.784489][ T247] ? do_writev+0xf9/0x280 [ 106.784607][ T247] ? __pfx_do_writev+0x10/0x10 [ 106.784773][ T247] ? do_user_addr_fault+0x97c/0xe30 [ 106.784935][ T247] do_syscall_64+0xc1/0x1d0 [ 106.785097][ T247] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 106.785283][ T247] RIP: 0033:0x7f5761b57197 [ 106.785446][ T247] 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 [ 106.785976][ T247] RSP: 002b:00007ffdf8ceb568 EFLAGS: 00000246 ORIG_RAX: 00000000000000a9 [ 106.786218][ T247] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f5761b57197 [ 106.786450][ T247] RDX: 000000004321fedc RSI: 0000000028121969 RDI: 00000000fee1dead [ 106.786681][ T247] RBP: 0000000000000000 R08: 00007ffdf8cea820 R09: 00000000ffffffff [ 106.786906][ T247] R10: 000000000000001e R11: 0000000000000246 R12: 0000000000000002 [ 106.787132][ T247] R13: 0000000000000001 R14: 000055a289d4b803 R15: 00007f5761fed000 [ 106.787375][ T247] </TASK> [ 106.789643][ T247] ACPI: PM: Preparing to enter system sleep state S5 [ 106.790981][ T247] kvm: exiting hardware virtualization [ 106.791390][ T247] reboot: Power down