[ 67.158941][ T246] [ 67.159196][ T246] ============================= [ 67.159360][ T246] WARNING: suspicious RCU usage [ 67.159514][ T246] 6.12.0-rc4-virtme #1 Not tainted [ 67.159851][ T246] ----------------------------- [ 67.160003][ T246] kernel/events/core.c:13962 RCU-list traversed in non-reader section!! [ 67.161013][ T246] [ 67.161013][ T246] other info that might help us debug this: [ 67.161013][ T246] [ 67.161410][ T246] [ 67.161410][ T246] rcu_scheduler_active = 2, debug_locks = 1 [ 67.161687][ T246] 3 locks held by poweroff/246: [ 67.161897][ T246] #0: ffffffff8e219ee8 (system_transition_mutex){+.+.}-{3:3}, at: __do_sys_reboot+0x26b/0x2d0 [ 67.162295][ T246] #1: ffffffff8e216bf0 ((reboot_notifier_list).rwsem){++++}-{3:3}, at: blocking_notifier_call_chain+0x50/0x90 [ 67.162698][ T246] #2: ffffffff8e4982a8 (pmus_lock){+.+.}-{3:3}, at: perf_event_exit_cpu_context+0x24/0xf0 [ 67.163059][ T246] [ 67.163059][ T246] stack backtrace: [ 67.163266][ T246] CPU: 3 UID: 0 PID: 246 Comm: poweroff Not tainted 6.12.0-rc4-virtme #1 [ 67.163494][ T246] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 67.163824][ T246] Call Trace: [ 67.163942][ T246] [ 67.164026][ T246] dump_stack_lvl+0xb0/0xd0 [ 67.164185][ T246] lockdep_rcu_suspicious+0x1ea/0x280 [ 67.164339][ T246] perf_event_clear_cpumask+0x61d/0x8f0 [ 67.164491][ T246] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 67.164645][ T246] ? __pfx_perf_event_clear_cpumask+0x10/0x10 [ 67.164833][ T246] ? acpi_execute_simple_method+0xaa/0xe0 [ 67.164988][ T246] ? __pfx_acpi_execute_simple_method+0x10/0x10 [ 67.165182][ T246] perf_event_exit_cpu_context+0x2c/0xf0 [ 67.165331][ T246] perf_reboot+0x7c/0xe0 [ 67.165444][ T246] ? trace_notifier_run+0xe2/0x140 [ 67.165594][ T246] notifier_call_chain+0xcd/0x150 [ 67.165750][ T246] blocking_notifier_call_chain+0x66/0x90 [ 67.165903][ T246] kernel_power_off+0x1c/0xb0 [ 67.166053][ T246] __do_sys_reboot+0x270/0x2d0 [ 67.166205][ T246] ? __pfx___do_sys_reboot+0x10/0x10 [ 67.166360][ T246] ? __lock_release+0x103/0x460 [ 67.166509][ T246] ? do_user_addr_fault+0x972/0xe30 [ 67.166660][ T246] ? __pfx___lock_release+0x10/0x10 [ 67.166810][ T246] ? __up_read+0x1a7/0x780 [ 67.166961][ T246] ? trace_lock_acquire+0x14d/0x1f0 [ 67.167113][ T246] ? __pfx___up_read+0x10/0x10 [ 67.167268][ T246] ? do_writev+0xf9/0x280 [ 67.167383][ T246] ? do_writev+0xf9/0x280 [ 67.167500][ T246] ? __pfx_do_writev+0x10/0x10 [ 67.167647][ T246] ? do_user_addr_fault+0x97c/0xe30 [ 67.167807][ T246] do_syscall_64+0xc1/0x1d0 [ 67.167959][ T246] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 67.168147][ T246] RIP: 0033:0x7f9332571197 [ 67.168307][ 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 [ 67.168830][ T246] RSP: 002b:00007ffc6b541298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a9 [ 67.169060][ T246] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f9332571197 [ 67.169286][ T246] RDX: 000000004321fedc RSI: 0000000028121969 RDI: 00000000fee1dead [ 67.169509][ T246] RBP: 0000000000000000 R08: 00007ffc6b540550 R09: 00000000ffffffff [ 67.169734][ T246] R10: 000000000000001e R11: 0000000000000246 R12: 0000000000000002 [ 67.169959][ T246] R13: 0000000000000001 R14: 000055566f859803 R15: 00007f9332a07000 [ 67.170198][ T246] [ 67.171880][ T246] ACPI: PM: Preparing to enter system sleep state S5 [ 67.173237][ T246] kvm: exiting hardware virtualization [ 67.173555][ T246] reboot: Power down